RCMA420-D                                    

AC/DC sensitive residual current monitoring device (type B) 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:  RCMA420-D-1  
AC 16...72V, 42...460 Hz; DC 9.6...94V
RCMA420-D-2:  
AC 42...460 Hz /DC 70...300V
Measuring current transformer type:  W20AB, W35AB, W60AB  
Measurement and display range:  3...500 mA, True r.m.s.
Frequency range:  0...2000 Hz
Operating characteristics:  Type B acc. to IEC 60755
IΔn 2 (Main alarm)  10...500 mA
IΔn 1 (Pre-warning)  50...100 % von IΔn2, min. 5 mA 
Start-up delay:   0...10 s
Response delay:  0...10 s (IΔn 2), 1 s (IΔn1)
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: RCMA420-D-..