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9252000990 Rev N

BE1-50/51M General Information

1-3

MODEL NUMBERS

Model number variations in the BE1-50/51M overcurrent relays are specified by a three digit extension to
the model number. Tables 1-1 and 1-2 provide model number, case style, switch SW3-3 selections, and
sensing current input ranges. Internal switches provide for selecting system operating frequencies of 50
or 60 Hz, instantaneous element delays, curve sets, and instantaneous or integrating reset
characteristics. The location and description of these switches is provided in Section 2. Integrating reset
is available in 100 series relays (e.g. - BE1-50/51M-100) when there is adequate input current to power
the relay. Integrating reset is available in 200 series relays (e.g. - BE1-50/51M-200) even when the input
current falls to zero. Two-hundred series relays also have additional characteristic curves available
through curve set selection.

Table 1-1. BE1-50/51M Overcurrent Relays, One Ampere CT Secondary, 50/60 Hz

Sensing Input Range (Amps)

Model Number

Case Style

SW3-3 Selects

TIME INST

BE1-50/51M-100

C1 (Horizontal Mount)

0.2 Second Delay

0.1 - 3.18

0.2 - 19.8

BE1-50/51M-200

C1 (Horizontal Mount)

Curve Set

0.1 - 3.18

0.2 - 19.8

BE1-50/51M-108

C1 (Vertical Mount)

0.2 Second Delay

0.1 - 3.18

0.2 - 19.8

BE1-50/51M-208

C1 (Vertical Mount)

Curve Set

0.1 - 3.18

0.2 - 19.8

Table 1-2. BE1-50/51M Overcurrent Relays, Five Ampere CT Secondary, 50/60 Hz

Sensing Input Range (Amps)

Model Number

Case Style

SW3-3 Selects

TIME INST

BE1-50/51M-104

C1 (Horizontal Mount)

0.2 Second Delay

0.5 - 15.9

1.0 - 99.0

BE1-50/51M-204

C1 (Horizontal Mount)

Curve Set

0.5 - 15.9

1.0 - 99.0

BE1-50/51M-109 C1

(Vertical

Mount) 0.2

Second Delay

0.5 - 15.9

1.0 - 99.0

BE1-50/51M-209 C1

(Vertical

Mount)

Curve Set

0.5 - 15.9

1.0 - 99.0

NOTE:

100 series relays (e.g. - BE1-50/51M-104) have the integrating reset function when there is

adequate input current to power the relay. 200 series relays (e.g. - BE1-50/51M-204) have the integrating
reset function even when the input current falls to zero.

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Содержание BE1-50M

Страница 1: ...INSTRUCTION MANUAL FOR OVERCURRENT RELAY BE1 50 51M Publication 9252000990 Revision N 03 08 ...

Страница 2: ......

Страница 3: ...ndicators Functional Description Installation and Maintenance Testing WARNING To avoid personal injury or equipment damage only qualified personnel should perform the procedures in this manual NOTE Be sure that the relay is hard wired to earth ground with no smaller than 12 AWG copper wire attached to the ground terminal on the rear of the unit case When the relay is configured in a system with ot...

Страница 4: ...ration The availability and design of all features and options are subject to modification without notice Should further information be required contact Basler Electric BASLER ELECTRIC ROUTE 143 BOX 269 HIGHLAND IL 62249 USA http www basler com info basler com PHONE 1 618 654 2341 FAX 1 618 654 2351 CONFIDENTIAL INFORMATION of Basler Electric Highland Illinois USA It is loaned for confidential use...

Страница 5: ...ntacts for 100 series relays unit revision R and subsequent Added new Section 8 Relay Differences J 05 98 Added Patent Number to Specifications and changed the manual format to reflect current manual styles I 07 97 Corrected Tables 1 3 and 1 4 Figure Number Changed pickup setting to pickup on pages 1 7 Time Characteristics equation page 1 10 Time Reset and Figures 1 7 through 1 15 Added Oscillator...

Страница 6: ...ge 4 1 Corrected dielectric test leakage current per terminal and changed rack mounting plate part number from 9252000024 to 9252012001 Page 4 3 Added BE1 50 51M vertical model rear view to Figure 4 3 B 09 92 Page 1 1 Application deleted reference to dust tight cover Page 1 4 Specifications TIME Dropout to not less than 95 of pickup value Page 1 7 Specifications Time Reset added statement to insur...

Страница 7: ...v CONTENTS SECTION 1 GENERAL INFORMATION 1 1 SECTION 2 CONTROLS AND INDICATORS 2 1 SECTION 3 FUNCTIONAL DESCRIPTION 3 1 SECTION 4 INSTALLATION 4 1 SECTION 5 TESTING 5 1 SECTION 6 RELAY DIFFERENCES 6 1 APPENDIX A TIME CHARACTERISTIC CURVES A 1 ...

Страница 8: ...vi BE1 50 51M Introduction 9252000990 Rev N This page intentionally left blank ...

Страница 9: ...1 10 Agency Recognition 1 10 Physical 1 10 Patent 1 10 Figures Figure 1 1 BE1 50 51M C1 Horizontal Mount Case 1 2 Figure 1 2 BE1 50 51M C1 Vertical Mount Case 1 2 Figure 1 3 Integrating Reset Characteristic Curve 1 6 Figure 1 4 Instantaneous Characteristic Curves 1 7 Figure 1 6 Burden Characteristics 1 8 Figure 1 5 Harmonic Rejection 1 9 Tables Table 1 1 BE1 50 51M Overcurrent Relays One Ampere CT...

Страница 10: ...ii BE1 50 51M General Information 9252000990 Rev N This page intentionally left blank ...

Страница 11: ...ng targets retain indication without power Built in accuracy eliminates internal adjustments Minimum transient overreach Field selectable characteristic curve selection Field selectable instantaneous or integrating reset Field selectable 50 or 60 Hz operation Field selectable fixed instantaneous delay 0 0 0 1 0 2 or 0 3 second on 100 series relays and 0 0 or 0 1 second on 200 series relays Individ...

Страница 12: ...1 2 BE1 50 51M General Information 9252000990 Rev N Figure 1 1 BE1 50 51M C1 Horizontal Mount Case Figure 1 2 BE1 50 51M C1 Vertical Mount Case ...

Страница 13: ... set selection Table 1 1 BE1 50 51M Overcurrent Relays One Ampere CT Secondary 50 60 Hz Sensing Input Range Amps Model Number Case Style SW3 3 Selects TIME INST BE1 50 51M 100 C1 Horizontal Mount 0 2 Second Delay 0 1 3 18 0 2 19 8 BE1 50 51M 200 C1 Horizontal Mount Curve Set 0 1 3 18 0 2 19 8 BE1 50 51M 108 C1 Vertical Mount 0 2 Second Delay 0 1 3 18 0 2 19 8 BE1 50 51M 208 C1 Vertical Mount Curve...

Страница 14: ...to 9 9 seconds in 0 1 second steps Timing Accuracy The timing accuracy is the sum of 1 cycle 2 This accuracy applies to the range of 1 3 to 40 times tap and is for a given measured multiple of tap The measurement of the multiple of tap has an accuracy that is the sum of 2 25 milliamperes for 5 ampere units and 2 5 milliamperes for 1 ampere units Timing Accuracy Example 5 Ampere Unit PU setting 5 a...

Страница 15: ... with SW3 3 Closed On Series 200 Relays Curve Type Constants BE1 Similar To Figure Number A B C N K R S GE IAC 55 A 10 0 0286 0 0208 1 000 0 9844 0 028 0 0940 L GE IAC 66 A 11 2 3955 0 00002 1 000 0 3125 0 028 7 8001 D ABB CO 6 A 3 0 4797 0 21359 1 000 1 5625 0 028 0 8750 M ABB CO 7 A 4 0 3022 0 12840 1 000 0 5000 0 028 1 7500 I GE IAC 51 A 12 0 2747 0 1042 1 000 0 4375 0 028 0 8868 V GE IAC 53 A ...

Страница 16: ... Tables 1 3 or 1 4 Integrating Reset Equation 1 M RD T 2 R Where TR Time to reset in seconds R Constant for the particular curve D TIME DIAL setting M Current in multiples of PICKUP setting during reset 1 0 10 0 100 0 0 000 0 200 0 400 0 600 0 800 1 000 1 200 Multiple of Pickup xRD Seconds P0046 11 Vertical axis xRD Seconds is applicable for all curves and is derived from multiplying the constant ...

Страница 17: ... for ground applications are 4 5 and 1 75 cycles Figure 1 4 shows the instantaneous characteristic curves for maximum time to trip On 100 series relays additional delays of 0 1 0 2 or 0 3 seconds may be added with internal switches SW3 2 and SW3 3 These delays apply to both phase and ground applications Closing switch SW3 2 provides an additional delay of 0 1 second Closing switch SW3 3 provides a...

Страница 18: ... Ampere Unit 0 1 amperes 120 Ω 1 0 ampere 5 Ω 5 Ampere Unit 0 5 amperes 4 8 Ω 5 0 amperes 0 2 Ω Figure 1 5 Burden Characteristics Frequency Response A change of 5 Hz from the nominal 50 60 Hz current causes 0 5 change in the current required for pickup Transient Response 10 overreach with system time constants up to 40 ms ...

Страница 19: ...ated as follows Resistive Ratings 120 240 Vac Make 30 amperes for 0 2 seconds carry 7 amperes for 2 minutes 3 amperes continuously and break 5 amperes 125 250 Vdc Make 30 amperes for 0 2 seconds carry 7 amperes for 2 minutes 3 amperes continuously and break 0 3 ampere Inductive Ratings 120 240 Vac 125 250 Vdc Make and carry 30 amperes for 0 2 seconds carry 7 amperes for 2 minutes 3 amperes continu...

Страница 20: ...of 10 to 500 Hz for a total of 6 sweeps 15 minutes each sweep Shock Withstands 15 G in each of three mutually perpendicular planes Environment Operating Temperature 40 C to 70 C 40 F to158 F Storage Temperature 50 C to 70 C 58 F to 158 F Agency Recognition UL Recognized CSA Certified UL Recognized per Standard 508 UL File No E97033 CSA Certified per Standard CAN CSA C22 2 No 14 M91 CSA File No LR ...

Страница 21: ... TABLE OF CONTENTS SECTION 2 CONTROLS AND INDICATORS 2 1 INTRODUCTION 2 1 Figures Figure 2 1 Location of Controls and Indicators 2 1 Figure 2 2 Location of SW3 and Auxiliary Output Jumper Terminations 2 2 Tables Table 2 1 BE1 50 51M Controls and Indicators Refer to Figures 2 1 and 2 2 2 3 ...

Страница 22: ...ii BE1 50 51M Controls and Indicators 9252000990 Rev N This page intentionally left blank ...

Страница 23: ...N Figure 2 1 illustrates the front panel controls and indicators of the BE1 50 51M Figure 2 2 illustrates the location of switch SW3 Both illustrations have lettered call outs that correspond to the control and indicator descriptions provided in Table 2 1 Figure 2 1 Location of Controls and Indicators ...

Страница 24: ...2 2 BE1 50 51M Controls and Indicators 9252000990 Rev N P0053 49 J B Figure 2 2 Location of SW3 and Auxiliary Output Jumper Terminations ...

Страница 25: ...an electromechanical relay at its maximum dial setting G TIME MANUAL TRIP Test Points When shorted the test points provide a secure means to manually trip the controlled breaker Jacks accept a standard 0 08 inch diameter phone tip plug H ACTIVE PICKUP LED Red LED indicates sensed current has exceeded the TIME PICKUP setting LED turns from red to green when sensed current falls below 95 of pickup s...

Страница 26: ...nstalled to close the auxiliary output contacts with the timed trip Jumper E3 to E1B to close the auxiliary contact with the instantaneous 50 trip This jumper is blue and factory installed to close the auxiliary output contacts with the instantaneous trip Users with BE1 50 51B unit revisions Q R and S in 100 series relays and unit revisions H and previous in 200 series relays refer to Section 6 fo...

Страница 27: ...CRIPTION TABLE OF CONTENTS SECTION 3 FUNCTIONAL DESCRIPTION 3 1 GENERAL 3 1 FUNCTIONAL DESCRIPTION 3 1 Sensing Input 3 1 Power Supply 3 1 Instantaneous Signal 3 1 Time Signal 3 1 Microprocessor 3 1 Power Off Sensing 3 1 Outputs 3 2 Figures Figure 3 1 Functional Block Diagram 3 2 ...

Страница 28: ...ii BE1 50 51M Functional Description 9252000990 Rev N This page intentionally left blank ...

Страница 29: ...upply is applied to the microprocessor supervisor circuit When the microprocessor is active and executing code the ACTIVE PICKUP LED is green When the input current falls below an acceptable level the supervisor circuit interrupts the microprocessor halts further operation and turns OFF the ACTIVE PICKUP LED A microprocessor watchdog feature resets the microprocessor program when the program flow ...

Страница 30: ...contacts Effective with unit revision R in units 9252000100 through 9252000109 the printed circuit board was changed Now the PCB for 100 and 200 series relays are similar User s with units previous to revision R may see Section 6 Relay Differences for installing auxiliary output contact jumpers POWER CT SUPPLY POWER BRIDGE CT SIGNAL TIME SCALE INST SCALE MUX SW SW SW SW TIME PICKUP INST PICKUP SW ...

Страница 31: ...TING 4 1 CONNECTIONS 4 3 MAINTENANCE 4 7 STORAGE 4 7 Figures Figure 4 1 Rack Mounting Plate Part Number 9252012001 4 1 Figure 4 2 Outline Dimensions 4 2 Figure 4 3 Panel Drilling Diagram C1 Case 4 3 Figure 4 4 AC Input Connections 4 4 Figure 4 5 DC Control Connections 4 5 Figure 4 6 BE1 50 51M Terminal Connections Rear View 4 6 ...

Страница 32: ...ii BE1 50 51M Installation 9252000990 Rev N This page intentionally left blank ...

Страница 33: ...entative at Basler Electric Highland Illinois Proper operation of the relay may be confirmed by performing the operational test procedure of Section 5 If the relay won t be installed immediately store the relay in its original shipping carton in a moisture and dust free environment MOUNTING A rack mounting plate part number 9252012001 can be purchased to mount four BE1 50 51M vertical mount relays...

Страница 34: ... CURVE DEFINITIONS OVERCURRENT 9 8 7 6 5 4 3 2 CT AUX GND 51 50 850 5 950 7 000 4 000 6 875 5 625 6 250 312 315 550 2 900 3 395 500 TYP TYP 420 D1047 04 0 0 0 S 0 0 0 RESET ACTIVE PICKUP PICKUP 0 5 MIN SET TIME DIAL TENTHS UNITS TENTHS UNITS CURVE UNITS TENS INST TIME PICKU P MANUAL TRIP Trip Volt Present INST Trip Volt Present TIM E MANUAL TRIP R Overcurrent Relay BE1 50 51B XXX Basler Figure 4 2...

Страница 35: ... model and part number before connecting and energizing a particular relay NOTE Be sure that the relay is hard wired to earth ground with no smaller than 12 AWG copper wire attached to the ground terminal on the rear of the unit case When the relay is configured in a system with other devices it is recommended to use a separate lead to the ground bus from each unit ...

Страница 36: ...round wire Typical ac input and dc control connections are shown in Figures 4 4 and 4 5 The auxiliary output jumper configuration schematic diagram is also shown in Figure 4 5 Relay internal connections are shown on the back of the relay Figure 4 6 shows a rear view of the relay and the connections Figure 4 4 AC Input Connections ...

Страница 37: ...9252000990 Rev N BE1 50 51M Installation 4 5 Figure 4 5 DC Control Connections ...

Страница 38: ...4 6 BE1 50 51M Installation 9252000990 Rev N Figure 4 6 BE1 50 51M Terminal Connections Rear View ...

Страница 39: ...cording to scheduled practices A recommended periodic test is provided in Section 5 If the relay fails to function properly contact the Technical Sales Support Department of Basler Electric STORAGE This protective relay contains long life aluminum electrolytic capacitors Life in excess of 20 years may be expected if the storage temperature does not exceed 40 C 104 F ...

Страница 40: ...4 8 BE1 50 51M Installation 9252000990 Rev N This page intentionally left blank ...

Страница 41: ...C TEST 5 1 OPERATIONAL TEST PROCEDURE 5 1 Test Equipment Required 5 1 Test Procedure for Five Ampere Units 5 3 Test Procedure for One Ampere Units 5 5 SETTING THE RELAY 5 7 PERIODIC TESTS 5 7 General 5 7 Periodic Test 5 7 Figures Figure 5 1 Pickup and Timing Test Setup 5 2 Figure 5 2 Target Operational Test Setup 5 2 ...

Страница 42: ...ii BE1 50 51M Testing 9252000990 Rev N This page intentionally left blank ...

Страница 43: ...TIONAL TEST PROCEDURE The following procedures verify operation of BE1 50 51M relays The test setups of Figures 5 1 and 5 2 are intended primarily as an illustration of the principles involved Other test setups known to be capable of testing with the stated and implied tolerances including equipment specifically designed for testing relays may be used Test Equipment Required Current source with a ...

Страница 44: ...2000990 Rev N Figure 5 1 Pickup and Timing Test Setup BE1 50 51M 9 8 7 6 5 4 2 TIME INST 3 CURRENT SOURCE INPUT STOP TIMER START AMPS TEST SET D2750 21 1 0A CURRENT LIMITER TARGET CURRENT Figure 5 2 Target Operational Test Setup ...

Страница 45: ...rrectly SW3 1 for operating frequency SW3 2 to OFF no instantaneous delay SW3 3 to OFF no instantaneous delay 100 series relays or ABB type curves selected 200 series relays and SW3 4 to OFF selects instantaneous reset Set TIME DIAL to 0 0 Set CURVE to S Set TIME PICKUP to 15 1 Set INST PICKUP to 01 Step 1 Slowly increase current to terminals 8 and 9 INST contacts should close at an input current ...

Страница 46: ...Manual Trip Test Perform preliminary setup Connect test setup as shown in Figure 5 2 Ensure that SW3 switches are set correctly SW3 1 for operating frequency SW3 2 to OFF no instantaneous delay SW3 3 to OFF no instantaneous delay 100 series relays or ABB type curves selected 200 series relays and SW3 4 to OFF selects instantaneous reset Set TIME DIAL to 4 5 Set CURVE to S Set TIME PICKUP to 1 0 Se...

Страница 47: ...ut current of 0 11 ampere Step 2 Decrease input current until ACTIVE PICKUP LED turns GREEN then OFF Step 3 Set TIME PICKUP to 0 44 Step 4 Slowly increase current to terminals 8 and 9 ACTIVE PICKUP LED should change from GREEN to RED at an input current of 0 426 to 0 454 amperes Step 5 Decrease input current until ACTIVE PICKUP LED turns Green then OFF INST Pickup Test Perform preliminary setup Co...

Страница 48: ...es selected 200 series relays and SW3 4 to OFF selects instantaneous reset Set TIME DIAL to 4 5 Set CURVE to S Set TIME PICKUP to 0 2 Set INST PICKUP to 0 2 Step 1 Set target current source to 1 0 ampere ac Step 2 Apply 1 ampere input current to terminals 8 and 9 Check that both TIME and INST targets operate Step 3 Remove input current and reset targets Manual Trip Test Perform preliminary setup C...

Страница 49: ...ify and correct any problems that are found Single phase relays such as the BE1 50 51M are normally used in groups of four three phase and ground on the protected circuit This relay scheme allows each unit to be withdrawn one at a time for testing purposes without losing protection Only three are required at any one time to sense all types of faults on a grounded wye system Refer to Figures 5 1 an...

Страница 50: ...5 8 BE1 50 51M Testing 9252000990 Rev N This page intentionally left blank ...

Страница 51: ...ELAY DIFFERENCES 6 1 GENERAL 6 1 DIFFERENCES 6 1 Figures Figure 6 1 Location of Controls and Indicators for unit revision Q and Previous 100 Series Relays 6 2 Figure 6 2 Location of Controls and Indicators for Unit Revisions R and S 100 Series Relays and Unit Revisions H and Previous 200 Series Relays 6 3 ...

Страница 52: ...ii BE1 50 51M Relay Differences 9252000990 Rev N This page intentionally left blank ...

Страница 53: ...ries relays SW8 2 selects additional delay for the instantaneous element Switch SW8 2 closed ON provides an additional instantaneous delay of 0 1 seconds SW8 3 In 100 series relays switch SW8 3 closed ON provides an additional instantaneous delay of 0 2 seconds Closing both switches SW8 2 and SW8 3 provides an additional instantaneous delay of 0 3 seconds In 200 series relays SW8 3 open OFF select...

Страница 54: ...6 2 BE1 50 51M Relay Differences 9252000990 Rev N Figure 6 1 Location of Controls and Indicators for unit revision Q and Previous 100 Series Relays ...

Страница 55: ...1A R17 E1B C13 DS3 DS2 T1 W4 W5 W6 W7 W8 CR19 C39 CR18 C38 4 1 4 1 ON K A R19 C9 C8 C5 C4 C52 C45 R33 R18 R5 R3 R6 R38 R14 Q1 R34 CR12 VR3 CR11 CR13 VR4 CR16 CR15 CR14 VR1 VR2 CR3 CR5 CR2 U9 CR10 U3 U8 R13 U15 SW8 U10 U12 U11 U13 U6 U4 U1 U2 CR9 U5 R15 U5 SW8 ON AR3 2 3 4 ON 1 Y1 1 CR20 C40 W7 T1 E1B E1A E3 E2 K3 K4 Figure 6 2 Location of Controls and Indicators for Unit Revisions R and S 100 Seri...

Страница 56: ...6 4 BE1 50 51M Relay Differences 9252000990 Rev N This page intentionally left blank ...

Страница 57: ...milar to ABB CO 8 A 5 Figure A 6 Time Characteristic Curve V Very Inverse SW3 3 OFF Similar to ABB CO 9 A 6 Figure A 7 Time Characteristic Curve E Extremely Inverse SW3 3 OFF Similar to ABB CO 11 A 7 Figure A 8 Time Characteristic Curve BS142 B BS142 Very Inverse A 8 Figure A 9 Time Characteristic Curve BS142 C BS142 Extremely Inverse A 9 Figure A 10 Time Characteristic Curve S2 Short Inverse SW3 ...

Страница 58: ...ii BE1 50 51M Time Characteristic Curves 9252000990 Rev N This page intentionally left blank ...

Страница 59: ... through A 9 illustrate the time characteristic curves that are programmed into the nonvolatile memory of series 100 relays Figures A 1 through A 14 illustrate the characteristic curves that are programmed into the nonvolatile memory of series 200 relays Figure A 1 Time Characteristic Curve S Short Inverse SW3 3 OFF Similar to ABB CO 2 ...

Страница 60: ...A 2 BE1 50 51M Time Characteristic Curves 9252000990 Rev N Figure A 2 Time Characteristic Curve L Long Inverse SW3 3 OFF Similar to ABB CO 5 ...

Страница 61: ...9252000990 Rev N BE1 50 51M Time Characteristic Curves A 3 Figure A 3 Time Characteristic Curve D Definite Time Similar to ABB CO 6 ...

Страница 62: ...A 4 BE1 50 51M Time Characteristic Curves 9252000990 Rev N Figure A 4 Time Characteristic Curve M Moderately Inverse Similar to ABB CO 7 ...

Страница 63: ...9252000990 Rev N BE1 50 51M Time Characteristic Curves A 5 Figure A 5 Time Characteristic Curve I Inverse SW3 3 OFF Similar to ABB CO 8 ...

Страница 64: ...A 6 BE1 50 51M Time Characteristic Curves 9252000990 Rev N Figure A 6 Time Characteristic Curve V Very Inverse SW3 3 OFF Similar to ABB CO 9 ...

Страница 65: ...9252000990 Rev N BE1 50 51M Time Characteristic Curves A 7 Figure A 7 Time Characteristic Curve E Extremely Inverse SW3 3 OFF Similar to ABB CO 11 ...

Страница 66: ...A 8 BE1 50 51M Time Characteristic Curves 9252000990 Rev N Figure A 8 Time Characteristic Curve BS142 B BS142 Very Inverse ...

Страница 67: ...9252000990 Rev N BE1 50 51M Time Characteristic Curves A 9 Figure A 9 Time Characteristic Curve BS142 C BS142 Extremely Inverse ...

Страница 68: ...A 10 BE1 50 51M Time Characteristic Curves 9252000990 Rev N Figure A 10 Time Characteristic Curve S2 Short Inverse SW3 3 ON Similar to GE IAC 55 ...

Страница 69: ...9252000990 Rev N BE1 50 51M Time Characteristic Curves A 11 Figure A 11 Time Characteristic Curve L2 Long Inverse SW3 3 ON Similar to GE IAC 66 ...

Страница 70: ...A 12 BE1 50 51M Time Characteristic Curves 9252000990 Rev N Figure A 12 Time Characteristic Curve I2 Inverse SW3 3 ON Similar to GE IAC 51 ...

Страница 71: ...9252000990 Rev N BE1 50 51M Time Characteristic Curves A 13 Figure A 13 Time Characteristic Curve V2 Very Inverse SW3 3 ON Similar to GE IAC 53 ...

Страница 72: ...A 14 BE1 50 51M Time Characteristic Curves 9252000990 Rev N Figure A 14 Time Characteristic Curve E2 Extremely Inverse SW3 3 ON Similar to GE IAC 77 ...

Страница 73: ...ROUTE 143 BOX 269 HIGHLAND IL 62249 USA http www basler com info basler com PHONE 1 618 654 2341 FAX 1 618 654 2351 ...

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