janitza RCM 202-AB, User Manual And Technical Data

Page: 64 / 68

64
RCM 202-AB
www.janitza.de
RCM 202-AB 63
Altitude 0 … 2000 m (0 …1.24 mi)
Climate category according to IEC 60721-3-
3 (operation)
3K5
Installation conditions
Installation position Horizontal/vertical
Assembly Top hat rail per DIN EN 60715
Device dimensions in mm (H x W x D) 71 x 90 x 73
Protection class according to EN 60529 IP 20
Protection class II
Flammability rating UL94V-0
Weight Approx. 170 g (0.375 lb)
Connection type/cable Series terminal/copper
Connection cross section single-wire/finely
stranded
0.2 ... 4 mm
2
/0.2 ... 1.5 mm
2
(AWG 24-15)
19.2 RCM 202-AB plug
Designation
Connection Quan-
tity
Connector,
Socket plug, 3-pin RS485 (Modbus) 1
Connector,
Socket plug, 8-pin Analog and digital out-
puts
1
Connector,
Socket plug, 4-pin Transformer connection 1
Connector,
Socket plug, 2-pin Supply voltage 1
19.3 Current measurement transformer
NOTE
There can be various labels on the transformer connections:
S1
≙
k
S2
≙
l
64 RCM 202-AB
NOTE
A cable length of 10 m between the transformer and the measurement de-
vice may not be exceeded. Observe the maximum cable resistance of 2
Ohm. Recommendations:
- Single wires (0.75 to 1.5 mm²): up to 1 m
- Twisted single wires (0.75 to 1.5 mm²) up to 10 m
- Shielded cable (0.75 to 1.5 mm²) up to 10 m
The following current measurement transformers can be connected to the RCM
202-AB:
Transformer type Inner win-
dow mm
Sepa-
rable
Transformation
ratio
Max. primary cur-
rent
mA
DACT20 20 - 600:1 18000
CT-AC RCM 35N 35 - 700:1 20000
CT-AC RCM 80N 80 - 700:1 20000
CT-AC RCM 110N 110 - 700:1 20000
CT-AC RCM 140N 140 - 700:1 20000
CT-AC RCM 210N 210 - 700:1 20000
CT-AC RCM
A110N
110
• 700:1 20000
CT-AC RCM
A150N
150
• 700:1 20000
CT-AC RCM
A310N
310
• 700:1 20000
KBU 23D 20 x 30 • 600:1 18000
KBU 58D 50 x 80 • 600:1 18000
KBU 812D 80 x 120 • 600:1 18000
Tab. 5: Current measurement transformer for RCM 202-AB
Janitza electronics GmbH
Vor dem Polstück 6
35633 Lahnau, Germany
Support: +49 6441 9642-0
E-mail: info@janitza,de
www.janitza.de
RCM 202-AB
Residual current monitoring device
User manual
Issued by:
© Janitza electronics GmbH
Reprint only with approval of the pub-
lisher. All rights and changes reserved.