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BENNING IT 115 

Appendix A – Fuse table

 

 

- 61 -

 

Appendix A  Fuse table – Prospective short-circuit current 

 

Fuse, utilization category gL / gG 

 

gG: 

general-purpose fuse for general applications, mainly for cable and line protection 

gL:  

former VDE utilization category, replaced by gG 

 

Nominal 

current 

(A)

 

Disconnection time [s

]

 

35m 

0.1 

0.2 

0.4 

Minimum prospective short-circuit current (A) 

32.5 

22.3 

18.7 

15.9 

9.1 

65.6 

46.4 

38.8 

31.9 

18.7 

102.8 

70 

56.5 

46.4 

26.7 

10 

165.8 

115.3 

96.5 

80.7 

46.4 

16 

206.9 

150.8 

126.1 

107.4 

66.3 

20 

276.8 

204.2 

170.8 

145.5 

86.7 

25 

361.3 

257.5 

215.4 

180.2 

109.3 

35 

618.1 

453.2 

374 

308.7 

169.5 

50 

919.2 

640 

545 

464.2 

266.9 

63 

1217.2 

821.7 

663.3 

545 

319.1 

80 

1567.2 

1133.1 

964.9 

836.5 

447.9 

100 

2075.3 

1429 

1195.4 

1018 

585.4 

125 

2826.3 

2006 

1708.3 

1454.8 

765.1 

160 

3538.2 

2485.1 

2042.1 

1678.1 

947.9 

200 

4555.5 

3488.5 

2970.8 

2529.9 

1354.5 

250 

6032.4 

4399.6 

3615.3 

2918.2 

1590.6 

315 

7766.8 

6066.6 

4985.1 

4096.4 

2272.9 

400 

10577.7 

7929.1 

6632.9 

5450.5 

2766.1 

500 

13619 

10933.5 

8825.4 

7515.7 

3952.7 

630 

19619.3 

14037.4 

11534.9 

9310.9 

4985.1 

710 

19712.3 

17766.9 

14341.3 

11996.9 

6423.2 

800 

25260.3 

20059.8 

16192.1 

13545.1 

7252.1 

1000 

34402.1 

23555.5 

19356.3 

16192.1 

9146.2 

1250 

45555.1 

36152.6 

29182.1 

24411.6 

13070.1 

 

Summary of Contents for 044104

Page 1: ...Installation Tester BENNING IT 115 Operating Manual...

Page 2: ...pol benning de This symbol on your device ensures that the device complies with the requirements laid down by the EU European Union with regard to safety and electromagnetic compatibility of devices 0...

Page 3: ...key 21 4 1 7 Background lighting and contrast 21 4 2 Function selector switch 22 4 3 SETTINGS mode 23 4 3 1 Language 23 4 3 2 RCD testing 23 4 3 3 Isc factor scaling factor 25 4 3 4 Commander ON OFF 2...

Page 4: ...short circuit current 57 7 4 1 Zs function for systems without RCD 57 7 4 2 Zsrcd function for systems with RCD 57 7 5 Line impedance and prospective short circuit current voltage drop 58 7 6 Earthin...

Page 5: ...ry field phase sequence low impedance resistance continuity test insulating resistance residual current protection devices RCD loop impedance without RCD tripping line impedance and voltage drop earth...

Page 6: ...ster might involve dangers for the user the installation tester or the test object Never use the installation tester or the corresponding accessories if they exhibit visible damages Absolutely observe...

Page 7: ...installation tester before opening the cover of the battery fuse compartment Absolutely observe all common safety instructions in order to avoid the risk of an electric shock when working on electrica...

Page 8: ...low impedance measurement continuity test cannot be carried out Before carrying out a low impedance measurement continuity test compensate the test cable resistance if necessary Earthing resistance If...

Page 9: ...ctive conductor PE or via the capacitive connection between the conductors L and PE Line impedance voltage drop During phase to phase measurements of the line impedance ZI L L with the test cables PE...

Page 10: ...l warnings If the installation tester is connected to an installation a dangerous voltage might be applied to the battery compartment Disconnect all test cables accessories from the installation teste...

Page 11: ...individually by comparing the storage battery voltages testing by means of a cell charger etc It is very likely that only some of the storage batteries have lost capacity If one storage battery differ...

Page 12: ...in low voltage distribution systems up to 1000 VAC and 1500 VDC Equipment for testing measuring or monitoring of protective measures Part 1 General requirements Part 2 Insulation resistance Part 3 Loo...

Page 13: ...he measuring function selected 7 Backlight Contrast Modifies background lighting and contrast 8 ON OFF Switches the tester on or off automatic switch off APO after 15 minutes without pressing a key 9...

Page 14: ...g rechargeable NiMh storage batteries 3 PS 2 port Serial RS232 interface for service 4 Protective cover 5 USB port Without function Warnings The maximum admissible voltage between the testing terminal...

Page 15: ...tery fuse compartment cover Figure 3 4 Battery fuse compartment Caption 1 Fuse F1 M 315 mA 250 V 2 Fuses F2 and F3 If one of the fuses F2 or F3 has blown the device must not be used anymore In this ca...

Page 16: ...n tester can be carried in different ways by means of the accessories included in the standard scope of delivery The tester can be hung around the operator s neck by means of the carrying strap It is...

Page 17: ...vice description 17 3 4 1 Attachment of the carrying strap Please choose one of the two methods shown Figure 3 6 First method Figure 3 7 Alternative method Please check the carrying strap for safe fas...

Page 18: ...certificate 3 5 2 Optional accessories Earthing kit Earthing kit 2 earth rods 3 test cables 2 x L 20 m 1 x L 4 5 m Item no 044113 Commander test probe TEST key for releasing the measuring process PAS...

Page 19: ...he storage battery as well as whether an external charger is connected Battery capacity indication Low state of charge The storage battery s state of charge is too low to ensure correct measuring resu...

Page 20: ...rthing resistance of the measuring probes This might result in incorrect measuring results The measuring signal is outside the measuring range This might result in incorrect measuring results Fuse F1...

Page 21: ...ch Use these keys to exit the help menu Figure 4 1 Connection diagrams of the help menu 4 1 7 Background lighting and contrast Use the key for background lighting and contrast to make the following se...

Page 22: ...ts the parameters and limiting values TEST Start of measurement ESC Back cancel Key functions in the Parameters field UP DOWN Modifies the selected parameter TAB Selects the next parameter Parameters...

Page 23: ...Back cancel without any changes 4 3 1 Language In this menu it is possible to select the respective language Figure 4 4 Selecting the language Keys used UP DOWN Selects the language TEST Confirms the...

Page 24: ...41 TN IT 400 ms 400 ms t 999 ms 999 ms IEC 60364 4 41 TT 200 ms 200 ms t 999 ms 999 ms Tripping times in compliance with EN 61008 EN 61009 I N I N 2 I N 5 I N Standard RCDs undelayed t 300 ms t 300 ms...

Page 25: ...functions ZI L N L and Zs L PE Figure 4 6 Selecting the Isc factor Keys used UP DOWN Modifies the Isc factor TEST Confirms the adjusted Isc factor ESC Back cancel to the Settings menu Function select...

Page 26: ...tings menu Function selector switch Back cancel to the selected measuring function Note If the tester is reset to its initial factory settings all settings made will be lost If the batteries are remov...

Page 27: ...CD type AC undelayed Testing current with initial polarity 0 Limiting value for contact voltage 50 V Nominal differential current multiplier 1 Note It is also possible to reset the tester to its initi...

Page 28: ...tary field detected can be saved The measurements are carried out in compliance with the EN 61557 7 standard Key function as described in chapter 4 2 Function selector switch Figure 5 1 Voltage in a s...

Page 29: ...n voltage between phases and neutral conductor Ulpe voltage between phase and protective conductor Unpe voltage between neutral and protective conductors f frequency Results displayed for three phase...

Page 30: ...e active conductors L N of an installation protection against short circuit over current and guarantee of the functional safety Insulating resistance of non conductive rooms walls and floors Insulatin...

Page 31: ...resistance measurement Results displayed R insulating resistance Um testing voltage actual value Attention Measurements of the insulating resistance must be carried out only at test objects which are...

Page 32: ...ng current of 7 mA Key function as described in chapter 4 2 Function selector switch Figure 5 8 Low impedance resistance RLOW with a testing current of 200 mA Testing parameters Test Sub function R LO...

Page 33: ...he test cables to the test object see figure 5 9 Press the TEST key to start the measurement Figure 5 10 Example of a low impedance measurement RLOW Results displayed R R LOW low impedance resistance...

Page 34: ...his chapter describes how to compensate the test cable resistance in the low impedance measurement R LOW and continuity test CONTINUITY functions Compensation is necessary because the test cable resis...

Page 35: ...iption 35 Note The highest value for test cable compensation is 5 If the resistance is higher the compensation value will be reset to the default value The icon is displayed if the test cable resistan...

Page 36: ...luence delayed RCDs it takes a certain time until they have returned to their normal condition For this reason a time delay of 30 seconds is added before the standard tripping test is performed During...

Page 37: ...nominal value I N How to perform contact voltage measurements Select the FI RCD function by means of the function selector switch Set the sub function to Uc Set the testing parameters Connect the test...

Page 38: ...ent Result displayed t tripping time Uc contact Voltage 5 4 3 Tripping current RCD I For tripping current measurement a continuously increasing fault current serves to determine the limiting sensitivi...

Page 39: ...How to perform an automatic test Steps of the automatic test Note Select the FI RCD function by means of the function selector switch Set the sub function to AUTO Set the testing parameters Connect t...

Page 40: ...p 6 tripping time I I N 180 I step 7 tripping current 0 I step 8 tripping current 180 Uc contact voltage for nominal value I N Notes The automatic test will be stopped immediately if any invalid condi...

Page 41: ...ies with the requirements specified in the EN 61557 3 standard Key function as described in chapter 4 2 Function selector switch Figure 5 23 Loop impedance Testing parameters Test Selects the loop imp...

Page 42: ...t circuit current The prospective short circuit current ISC is calculated as follows Z k Un I SC SC with Un nominal voltage L PE see table below ksc correction factor for short circuit current Isc see...

Page 43: ...sible value if the maximum nominal current of the upstream fuse is flowing in the circuit The limiting values are described in the EN 60364 5 52 standard Sub functions Zline line impedance measurement...

Page 44: ...the test cables to the test object see figure 5 28 Press the TEST key to start the measurement x Figure 5 29 Example of a line impedance measurement Results displayed Z line impedance Isc prospective...

Page 45: ...st plug 044149 and the three wire test cable How to perform voltage drop measurements Step 1 Measuring the impedance Zref at the reference point Select the ZI L N L English ZLINE L N L function by mea...

Page 46: ...134 V 230 V 185 V UL N 266 V 400 V 321 V UL L 485 V Notes If the reference impedance is not set ZREF is assumed to be 0 00 The ZREF value is deleted set to 0 00 by pressing the CAL key if the installa...

Page 47: ...nce measurement is performed using the three wire measuring method by means of two earth rods Key function as described in chapter 4 2 Function selector switch Figure 5 32 Earthing resistance Testing...

Page 48: ...n excessive resistance of the S and H probes might influence the measuring results In this case the warnings Rp and Rc will be displayed The results will not be evaluated with PASS FAIL High parasitic...

Page 49: ...ctive conductor connection is performed automatically for the ZIine L N L Zloop L PE and RCD measuring functions by touching 1 second the silver TEST key of the installation tester of the optional Com...

Page 50: ...LC display of the installation tester and the buzzer sounds Further measurements in the Zloop L PE and RCD functions are blocked Warning If the phase voltage is detected at the protective conductor co...

Page 51: ...to the installation tester Replace the defective fuse by original fuses only because otherwise the installation tester or the accessories might get damaged and or the operator s safety might be impai...

Page 52: ...pairs or service please contact your specialty retailer or the BENNING Service Center BENNING Elektrotechnik und Elektronik GmbH Co KG Robert Bosch Str 20 D 46397 Bocholt BENNING Helpdesk phone no 49...

Page 53: ...ution V Accuracy 0 1200 1 3 of the measured value 3 digits Nominal voltages 50 VDC 100 VDC 250 VDC 500 VDC 1000 VDC Open circuit voltage 0 20 of the nominal voltage Measuring current min 1 mA at RN UN...

Page 54: ...ccuracy 0 0 199 9 0 1 5 of the measured value 5 digits 200 1999 1 Open circuit voltage 6 5 V DC 9 V DC Measuring current min 200 mA for a load resistance of 2 Test cable compensation up to 5 Number of...

Page 55: ...5 3 5 10 20 20 40 50 100 30 15 10 5 30 42 60 84 150 212 100 50 35 100 141 200 282 500 707 300 150 105 300 424 600 848 1500 500 250 175 500 707 1000 1410 2500 1000 500 350 1000 1410 2000 not applicabl...

Page 56: ...accuracy shall apply to the entire measuring range 7 3 4 Tripping current RCD I Tripping current The entire measuring range complies with the requirements specified in the EN 61557 6 standard Measurin...

Page 57: ...voltage is stable during measurement Testing current at 230 V 6 5 A 10 ms Nominal voltage range 93 V 134 V 45 Hz 65 Hz 185 V 266 V 45 Hz 65 Hz 7 4 2 Zsrcd function for systems with RCD Loop impedance...

Page 58: ...e the accuracy of the line impedance measurement ZREF measuring range 0 00 20 0 Please refer to chapter 5 6 2 Voltage drop for information on how to calculate the voltage drop 7 6 Earthing resistance...

Page 59: ...equency range 0 Hz 14 Hz 500 Hz 7 7 2 Voltage of the connection monitor Measuring range V Resolution V Accuracy 10 550 1 2 of the measured value 2 digits 7 7 3 Frequency Measuring range Hz Resolution...

Page 60: ...ing Dimensions w h d 23 cm 10 3 cm 11 5 cm Weight 1 3 kg without batteries storage batteries Reference conditions Temperature range 10 C 30 C Air humidity range 40 rel Air humidity 70 rel air humidity...

Page 61: ...276 8 204 2 170 8 145 5 86 7 25 361 3 257 5 215 4 180 2 109 3 35 618 1 453 2 374 308 7 169 5 50 919 2 640 545 464 2 266 9 63 1217 2 821 7 663 3 545 319 1 80 1567 2 1133 1 964 9 836 5 447 9 100 2075 3...

Page 62: ...00 200 200 200 50 250 250 250 250 250 63 315 315 315 315 315 Line safety switch tripping characteristic C Range of instantaneous tripping 5 10 x IN Nominal current A Disconnection time s 35m 0 1 0 2 0...

Page 63: ...5 225 225 225 16 240 240 240 240 20 300 300 300 300 25 375 375 375 375 32 480 480 480 480 Line safety switch tripping characteristic D Range of instantaneous tripping 10 20 x IN Nominal current A Disc...

Page 64: ...44039 Line impedance voltage drop Loop impedance universal three wire test cable test cable with shock proof plug Commander test plug for shock proof socket switchable by means of TEST key 044149 Comm...

Page 65: ...tteries storage batteries or opening the battery compartment cover disconnect the Commander both from the installation tester and from the installation For repairs or service please contact your speci...

Page 66: ...D 3 LED Right status RGB LED 4 LEDs LEDs of the measuring point illumination 5 Function selector keys BENNING IT 115 without function BENNING IT 115 Selection of the measuring function 6 MEM BENNING I...

Page 67: ...es off Battery voltage too low to operate the Commander How to test the protective conductor connection PE Select the ZI L N L English ZLINE ZS L PE English ZLOOP or FI RCD function by means of the fu...

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