Accessories
4.8 Residual current devices
3VA molded case circuit breakers with IEC certificate
388 Manual, 03/2019, A5E03603177010-03
Special "BASIC" residual current devices have been developed for use with 3VA1 molded
case circuit breakers.
Basic RCD310 and Basic RCD510
Side-mounted residual current devices are available for 3VA1 molded case circuit breakers
and 3VA1 switch disconnectors with box terminals up to 250 A. These residual current
devices are optimally designed for installation in distribution boards.
The key features of the RCD310 and RCD510 series are:
● Type A
● Response current I
Δn
adjustable in eight steps from 0.03 A to 5 A
● Compact, L-shaped design
● Cover size 45 mm
● 3 and 4-pole versions
● LEDs to signal "ready" state and pre-alarms
● Tripped signal at device and via electrical contacts
● Signal must be acknowledged via the RESET button on the residual current device
● Through-hole technology allows connection of cables to circuit breaker's box terminals
● Electromagnetic release (RCR) with dual functionality
● Suitable for mounting on DIN rail
● Suitable for use as a display unit only
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