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Bender RC48N-70-10 A, Operating Manual

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Bender RC48N-70-10 A Operating Manual Download Page 23

23

TGH1397en/11.2006

Symbols

“ALARM Ground Fault” LED

 

 

17

, 

 18

“ALARM Resistor Fault” LED

 

 

17

, 

 18

A

Alarm lamp H3

 

 17

, 

 18

Alarm relay

 

 13

, 

 15

Alarm relay operating mode

 

 19

Areas of application

 

 9

B

Bridge

 

 19

C

cable glands

 

 10

D

Dimensions

 

 11

DIP switch

 

 17

E

Earth-fault current

 

 9

F

Factor 100

 

 10

G

Guarantee

 

 8

H

Housing door

 

 10

I

Installations

- High-resistance earthed

 

 5

Insulation fault

 

 9

Intended use

 

 7

M

Measuring current transformer

 

 10

N

NER

 

 9

Neutral earthing resistor (NER)

 

 13

, 

 15

P

personnel

 

 7

R

RESET key

 

 17

, 

 18

Response value

 

 17

, 

 18

S

Screws

 

 11

Steel plate housing

 

 10

T

Terminal strip

 

 10

TEST key

 

 17

, 

 18

Transparent window

 

 10

Trip current

 

 9

INDEX

Summary of Contents for RC48N-70-10 A

Page 1: ...Power in electrical safety Operating Manual RC48N 70 10 A RC48N 70 50 A Ground fault and neutral grounding monitoring system TGH1397en 11 2006...

Page 2: ...nly with permission of the publisher Subject to change Dipl Ing W Bender GmbH Co KG Londorfer Str 65 35305 Gr nberg Germany Postfach 1161 35301 Gr nberg Germany Tel 49 0 6401 807 0 Fax 49 0 6401 807 2...

Page 3: ...3 1 Features 9 3 1 1 Areas of application 9 3 1 2 Description of function 9 3 1 3 Mechanical design 10 4 Installation and connection 11 4 1 Installation 11 4 2 Connection 12 4 2 1 Connection diagram...

Page 4: ...Table of Contents 4 TGH1397en 11 2006...

Page 5: ...erg Germany Tel 49 0 64 01 807 760 Fax 49 0 64 01 807 629 E mail info bender service com www bender de com Although great care has been taken in the drafting of this operating manual it may never thel...

Page 6: ...uip ment purchased Failure to observe the associated instructions can result in equipment malfunc tioning or cause problems in the environment in which it is being used This symbol indicates tips for...

Page 7: ...have undergone appropriate training Such personnel must have read this manual and understood all instructions relating to safety 2 3 General safety instruction BENDER equipment is designed and built i...

Page 8: ...rd conditions The guarantee does not cover maintenance work of any type It is only valid for the first buy er and does not cover products or individual components used other than as intended or to whi...

Page 9: ...ral grounding monitoring system monitors the status of the NER and the earth fault current flowing through this resistor The safe operation of the system can only be ensured if the maximum earth fault...

Page 10: ...erminals or relays can be mounted on the 35 x 7 5 mm DIN rail 8 In the event of an alarm alarm lamp H3 will light up 9 Coupling device CD1000 enables the voltage to be measured between the trans forme...

Page 11: ...imensions in mm Before mounting the device and working on the device connections make sure that the voltage has been disconnected Failure to comply with this requirement will expose personnel to the r...

Page 12: ...935 A2 A1 U R ALARM GFA or NRA K 11 14 21 L A1 T A2 U 12 22 24 GFA NRA C1 C2 G1 G Betrieb NC NC Alarm Ground Fault Resistor Fault Test Reset Output DC12 V t 0 1 2s I n 0 1 1A U 20 400V N G G1 PE L Al...

Page 13: ...16 mm2 flexible 0 5 10 mm2 2 x PE rigid 0 2 6 mm2 1 9 flexible 0 2 4 mm2 T1 Connection to transformer star point N1 Connection to NER neutral earthing resistor PE Connections to PE protective earth 1...

Page 14: ...A K 11 14 21 L A1 T A2 U 12 22 24 GFA NRA C1 C2 G1 G Betrieb NC NC Alarm Ground Fault Resistor Fault Test Reset Output DC12 V t 0 1 2s I n 0 1 1A U 20 400V N G G1 PE L L1 L2 L3 T2 600 1 H3 T3 600 1 Ma...

Page 15: ...5 16 mm2 flexible 0 5 10 mm2 2 x PE rigid 0 2 6 mm2 1 9 flexible 0 2 4 mm2 T1 Connection to transformer star point N1 Connection to NER neutral earthing resistor PE Connections to PE protective earth...

Page 16: ...Installation and connection 16 TGH1397en 11 2006...

Page 17: ...F ON Bandpass filter 50 60 Hz When the bandpass filter is switched on only the narrow band 50 60 Hz components of the residual current are detected This function can be used to prevent erroneous tripp...

Page 18: ...ow band 50 60 Hz components of the residual current are detected This function can be used to prevent erroneous tripping as a result of harmonics and transient components in the residual current 8 The...

Page 19: ...arm I n 0 1 s left hand stop 0 1 s left hand stop Residual current response value I n A 0 1 A left hand stop 0 1 A left hand stop x factor 100 10 A Response value for voltage drop U V at the neutral e...

Page 20: ...Operation and configuration 20 TGH1397en 11 2006...

Page 21: ...sistor monitoring Response value voltage measurement adjustable 20 400 V Accuracy 10 Response value neutral grounding resistor at UN 0 V 2k Accuracy 5 2 of the coupling resistance Responsetime 5 s 20...

Page 22: ...indow with knurled head screws IP 66 Flammability class UL94V 0 Colour of thehousing RAL 7035 Dimensions W x Hx D 300 x 400 x 120mm Weight approx 9 Kg 6 2 Applied standards CSA M421 00 Juli 2000 Use o...

Page 23: ...mensions 11 DIP switch 17 E Earth fault current 9 F Factor 100 10 G Guarantee 8 H Housing door 10 I Installations High resistance earthed 5 Insulation fault 9 Intended use 7 M Measuring currenttransfo...

Page 24: ...INDEX 24 TGH1397en 11 2006...

Page 25: ......

Page 26: ...Ing W Bender GmbH Co KG Londorfer Str 65 35305 Gr nberg Germany Postfach 1161 35301 Gr nberg Germany Tel 49 0 6401 807 0 Fax 49 0 6401 807 259 E Mail info bender de com Web server http www bender de...

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