Residual current transformer, type B – Efficient monitoring of residual currents

This intelligent residual current transformer monitors DC residual currents of type B+ up to 300 mA. It requires a 24 V DC supply voltage.

Key details at a glance

Always alert – intelligent converters

Detection of residual currents of type B+ (up to 300 mA)
Pre-alarm in the event of a malfunction
Standard interface, 4-20 mA
Continuous monitoring of residual currents
24 VDC supply voltage
Compact, robust plastic housing
Reduction of German Social Accident Insurance (DGUV) V3 (replacement for insulation measurement in stationary electrical systems)
Simple implementation of fire and system protection
Decentralized direct shutdown of system components
Suitable for the UMG 96 RM-E
Inner diameter: Ø 35 and 70 mm
Dimensions: 106 x 113 and 141 x 143 (W x H)
Max. primary residual current in mA: 0.3 A
Max. wire diameter in mm: 4 x approx. 14 (rm-35 mm²) or 8 x 10 (rm-10 mm²) and 4 x approx. 28 (rm-240 mm²) or 8 x 23 (rm-150 mm²)
Busbar in mm: max. 30 x 10 and max. 60 x 20
Current sensor according to EN 62020, DIN IEC 381 Part 1: 1989-11