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Page 16 

 

SE-134C Ground-Fault Ground-Check Monitor

 Rev. 

0 

 

Pub. SE-134C-M, December 16, 2009. 

SE-134C

G

GC

SE-TA6A-SERIES

TERMINATION

ASSEMBLY

26

19

22

24

25

23

20

21

27

28

TRIP A

TRIP B

GF

GF

GC

GC

NOTE 6

OHMS

CURRENT
SENSOR

DISABLE
SENSOR
VERIFICATION

17

16

18

SUPPLY

VOLTAGE

L

N

NOTE 1

NOTE 5

RESET

L1

L2/N

NOTE 2

NOTE 3

SUPPLY

VOLTAGE

L

N

NFS

GC
TEST

NOTE 4

GROUND-
CHECK
LATCH

3

4

SPG

5

6

7

8

GROUND

CHECK

CABLE

GROUND

NOTE 7

1

2

9

10

11

12

13

14

15

OUTPUT

SE-CS10

CURRENT

SENSOR

GROUND-FAULT RELAY

TEST UNIT

(SE-100T or SE-400)

NOTES:

1. MOMENTARILY CONNECT 9 & 10 TO

PERFORM REMOTE RESET.

2. MOMENTARILY CONNECT 11 & 12 TO

PERFORM REMOTE GROUND-CHECK
TEST.

3. CONNECT 12 & 13 FOR NON-FAIL-SAFE

OPERATION OF THE TRIP RELAY.

4. CONNECT 14 & 15 FOR LATCHING

GROUND-CHECK TRIP.

5. CONNECT 17 & 18 TO DISABLE CURRENT-

SENSOR VERIFICATION.

6. CONTACTS SHOWN DE-ENERGIZED.

7. REMOVE TERMINAL 3 CONNECTION

WHEN PERFORMING DIELECTRIC TESTS.

 

FIGURE 10.  Ground-Fault-Test Circuit. 
 

REVERSE-BIASED TEST

FORWARD-BIASED TEST

100

5 W

W,

-

+

15 Vdc

VOLTS

+

-

15 Vdc

G

GC

SE-TA6A-SERIES

TERMINATION

ASSEMBLY

G

GC

SE-TA6A-SERIES

TERMINATION

ASSEMBLY

VOLTS

100

5 W

W,

 

FIGURE 11.  Termination-Assembly-Test Circuits. 

Содержание SE-134C

Страница 1: ...F TRIP LEVEL A GF TRIP TIME S POWER DIAGNOSTIC ERROR 10 50 20 75 30 1 0 40 1 5 50 2 0 70 2 5 1 0 1 3 5 0 1 6 7 5 2 0 10 0 2 5 12 5 G C T E S T R E S E T SHORT OPEN VALID TRIP GROUND CHECK SENSOR TRIP GROUND FAULT 3 0 SHORT OPEN VALID TRIP GROUND CHECK 5 A N G R 5 A N G R 15 R A NG 15 R A NG 25 A NGR 25 A NGR S E 1 3 4 C Copyright 2009 by Littelfuse Startco All rights reserved Publication SE 134C M...

Страница 2: ...est 14 8 1 2 Non Latching Ground Check Trip Test 14 8 2 Trip Relay Fail Safe Mode Test 14 8 3 Current Sensor Verification Test 14 8 4 SE TA6A Series Termination Assembly Tests 15 8 5 Ground Fault Performance Test 15 LIST OF FIGURES FIGURE PAGE 1 SE 134C Typical Application 4 2 SE 134C Outline and Panel Mounting Details 5 3 SE 134C Outline and Surface Mounting Details 6 4 SE CS10 Current Sensors 7 ...

Страница 3: ...ristic that will satisfy the ground check circuit s multi level drive allow induced currents to circulate in the ground check loop survive a phase to ground check fault and clamp the ground check voltage during the fault Although a standard 5 6 volt Zener diode may engage the SE 134C s ground check circuit only an SE TA6A series termination assembly has the compensation required to meet system spe...

Страница 4: ...ip circuits are not fail safe and are not recommended because Shunt trip devices do not operate if supply voltage fails Shunt trip ground check circuits allow the power circuit and open cable couplers to be energized for a short interval after supply voltage is applied CAUTION The SE 134C is not a lock out device Follow lock out procedures for maintenance 3 INDICATION 3 1 GROUND FAULT A red LED in...

Страница 5: ... Outline dimensions and mounting details for the SE CS10 series current sensors are shown in Fig 4 Pass only phase conductors through the sensor window as shown in Fig 1 If a shield ground or ground check conductor enters the sensor window it must be returned through the window before it is terminated Connect the current sensor to terminals 16 and 17 Ground terminal 17 Current sensor primary and s...

Страница 6: ...CT 17 18 TO DISABLE SENSOR VERIFICATION CABLE GROUND GC INDICATOR GF INDICATOR GC G SE TA6A GC G SE TA6A 13 14 15 CONNECT 12 13 FOR NON FAIL SAFE OPERATION OF THE TRIP RELAY CONNECT 14 15 FOR LATCHING GROUND CHECK NFS GROUND CHECK LATCH DISABLE SENSOR VERIFICATION R G NOTES 1 RELAY CONTACTS SHOWN WITH SE 134C DE ENERGIZED TERMINALS 3 4 5 6 AND 7 8 ARE INTERNALLY CONNECTED THE RK 132 REMOTE INDICAT...

Страница 7: ... 8 CABLE GROUND 9 10 1 1 12 13 14 15 16 17 18 RESET GC TEST NFS GC LATCH CURRENT SENSOR DISABLE SENSOR VERIFICATION 1 9 20 2 1 22 23 24 25 26 27 28 GF GC TRIP B TRIP A FUSE F1 1 5 A 500 VAC TIME DELAY F1 FRONT VIEW 98 3 3 87 212 6 8 37 G R O U N D F A U L T G R O U N D C H E C K M O N I T O R GF TRIP LEVEL A GF TRIP TIME S POWER DIAGNOSTIC ERROR 10 50 20 75 30 1 0 40 1 5 50 2 0 70 2 5 1 0 1 3 5 0 ...

Страница 8: ...O U N D F A U L T G R O U N D C H E C K M O N I T O R GF TRIP LEVEL A GF TRIP TIME S POWER DIAGNOSTIC ERROR 10 50 20 75 30 1 0 40 1 5 50 2 0 70 2 5 1 0 1 3 5 0 1 6 7 5 2 0 10 0 2 5 12 5 G C T E S T R E S E T SHORT OPEN VALID TRIP GROUND CHECK SENSOR TRIP GROUND FAULT 3 0 SHORT OPEN VALID TRIP GROUND CHECK 5 A N G R 5 A N G R 15 R A NG 15 R A NG 25 A NGR 25 A NGR 98 3 152 0 114 3 8 0 3 87 5 98 4 50...

Страница 9: ... 0 9 00 279 4 11 00 169 9 6 69 215 9 8 50 266 7 10 50 77 2 3 04 101 6 4 00 108 7 4 28 32 5 1 28 31 8 1 25 38 9 1 53 123 7 4 87 165 0 6 50 225 0 8 86 60 5 2 38 73 2 2 88 80 0 3 15 M4 8 32 M10 0 375 M10 0 375 H1 X1 TERMINAL LOCATION MAY VARY SE CS10 2 5 63 5 2 50 135 1 5 32 124 0 4 88 72 6 2 86 27 9 1 10 69 9 2 75 54 4 2 14 M4 8 32 I 138 2 5 44 171 5 6 75 200 7 7 90 88 9 3 50 J 138 2 5 44 171 5 6 75...

Страница 10: ... 800 TEC FUSE 1 800 832 3873 Made in Saskatoon Canada Rating 5 6 Vdc 105 mA 50 W Max Use with Ground Fault Ground Check Monitor Models SE 134 and SE 134C R 8 0 0 31 LR 53428 US C R Revision SE TA6A WL TERMINATION ASSEMBLY Serial Number 00 00000000 1 800 TEC FUSE 1 800 832 3873 Made in Saskatoon Canada Rating 5 6 Vdc 105 mA 50 W Max Use with Ground Fault Ground Check Monitor Models SE 134 and SE 13...

Страница 11: ...1 800 TEC FUSE 1 800 832 3873 Made in Saskatoon Canada TERMINATION ASSEMBLY FIGURE 6 SE TA6ASF WL Small Format Termination Assembly NOTES 1 ONE RED AND ONE GREEN LED LIGHT 24 120 VAC DC NOT POLARITY SENSITIVE 2 YELLOW PUSH BUTTON 3 A 240 VAC A600 0 5 A 125 VDC Q600 3 DIMENSIONS IN MILLIMETRES INCHES 4 INDICATES CLEARANCE REQUIRED 5 PANEL THICKNESS 1 0 TO 6 0 0 04 TO 0 24 6 NEMA 4X LEGEND PLATE 30 ...

Страница 12: ...Page 10 SE 134C Ground Fault Ground Check Monitor Rev 2 Pub SE 134C M December 16 2009 FIGURE 8 PPI 600V Parallel Path Isolator ...

Страница 13: ...HE FLANGE IS ISOLATED FROM THE GROUND PIN AND USE A MATING PLUG WITH A NON METALLIC HOUSING OR ISOLATE THE FLANGE FROM THE CHASSIS IF THE MATING PLUG HAS A METALLIC HOUSING 3 CABLE PLUGS AND RECEPTACLES WITH GROUNDED METAL HOUSINGS MUST BE ISOLATED FROM EARTH TO PREVENT PARALLEL GROUND PATHS OUTGOING OUTGOING GROUND CHECK GROUND GC G PPI 600V CHASSIS GROUND BUS CABLE GROUND G GROUND CHECK GC GROUN...

Страница 14: ...ng Mode Latching or Non Latching Trip Relay CSA UL Contact Rating 8 A Resistive 250 Vac 5 A 30 Vdc HP B300 Pilot Duty Supplemental Contact Ratings Make Carry 0 2 s 30 A Break dc 75 W Resistive 35 W Inductive L R 0 04 Break ac 2 000 VA Resistive 1 500 VA Inductive PF 0 4 Subject to maximums of 8 A and 250 V ac or dc Contact Configuration Isolated N O and N C Contacts Operating Mode Fail Safe or Non...

Страница 15: ...m 14 Dimensions 105 x 40 x 22 2 mm 4 13 x 1 57 x 0 87 Shipping Weight 300 g 0 7 lb SE TA6ASF WL Characteristic 5 6 V Zener Temperature Compensated Power Rating 12 W Wire Leads 18 AWG 300 mm 11 8 Dimensions 58 8 x 19 x 12 7 mm 2 32 x 0 75 x 0 5 Shipping Weight 45 g 0 1 lb Certification CSA Canada and USA LR 53428 US C R 6 ORDERING INFORMATION SE 134C Future Options Power Supply 0 Universal ac dc Su...

Страница 16: ...nd the SHORT LED will be flashing The TRIP contacts terminals 22 23 and 24 25 will remain latched and ground check indication contacts terminals 26 27 and 26 28 will change state Reset the monitor 8 1 2 NON LATCHING GROUND CHECK TRIP TEST Connect the monitor current sensor and termination device as shown in Fig 10 With supply voltage applied the POWER SENSOR and VALID LED s will be on Open the gro...

Страница 17: ...uipment manufacturer s detailed instructions b Verify proper location of the ground fault current transformer Ensure the cables pass through the ground fault current transformer window This check can be done visually with knowledge of the circuit The connection of the current transformer secondary to the SE 134C is not polarity sensitive c Verify that the system is correctly grounded and that alte...

Страница 18: ...R GROUND FAULT RELAY TEST UNIT SE 100T or SE 400 NOTES 1 MOMENTARILY CONNECT 9 10 TO PERFORM REMOTE RESET 2 MOMENTARILY CONNECT 11 12 TO PERFORM REMOTE GROUND CHECK TEST 3 CONNECT 12 13 FOR NON FAIL SAFE OPERATION OF THE TRIP RELAY 4 CONNECT 14 15 FOR LATCHING GROUND CHECK TRIP 5 CONNECT 17 18 TO DISABLE CURRENT SENSOR VERIFICATION 6 CONTACTS SHOWN DE ENERGIZED 7 REMOVE TERMINAL 3 CONNECTION WHEN ...

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