RCM420-D                                    

AC and pulsed DC sensitive residual current monitoring device (type A) with LC display. Acc. to DIN EN 62020 (VDE 0663), IEC 62020 for monitoring of residual currents using measuring current transformers.

Standards:
This version complies with the requirements of: DIN EN 62020 (VDE 0663), IEC 62020

Supply voltage: RCM420-D-1 
AC 16...72 V, 42...460 Hz; DC 9,6...94 V
RCM420-D-2:   
AC 42...460 Hz /DC 70...300V
Measuring current transformer type: W..., WR..., WS...  
Measurement and display range: 3mA...16 A, True r.m.s.
Frequency range: 42...2000 Hz
Operating characteristics: Type A acc. to IEC 60755
Setting ranges:
IΔn2 (Main alarm): 10 mA...10 A
IΔn1 (Pre-warning): 50...100 % of IΔn2, min. 5 mA 
Start-up delay: 0...10 s
Response delay: 0...10 s (In2), 1 s (In1)
Delay on release: 0...99 s
Response time: 1 x IΔn: <180 ms, 5 x IΔn: <30 ms
Measured value memory: 1 operating value
Indicators: LEDs for Power On, Alarm 1, Alarm 2, LC display
Buttons: TEST/RESET/MENU button internal
Combined TEST/RESET button external

Alarm relays:  
Two alarm relays with one potential-free changeover contact each
Fault memory, N/O and N/C selectable

Other: Password protection, self-monitoring

The enclosure (2TE) can be sealed and is suitable for:
- Installation into standard distribution panels acc. to DIN 43871
- DIN rail mounting acc. to DIN EN 60715
- Screw mounting

Manufacturer: 
Bender GmbH & Co. KG
Londorfer Straße 65
D-35305 Gruenberg    
Telephone: +49 6401/807-0 
Fax: +49 6401/807-259

Type: RCM420-D-..