3UG4625-2CW30

The 3UG4625-2CW30 is a Siemens SIRIUS leakage current (ground fault) monitoring relay. It needs to be used with a 3UL23 current transformer. The measurement range is 0.03~40A. It is equipped with 2 sets of switching contacts and spring terminals. It is powered by AC 24~240V and is suitable for monitoring equipment ground faults.

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Siemens SIRIUS 3UG4625-2CW30 Leakage Current Monitoring Station Product Image

Product Positioning

The 3UG4625-2CW30 is a Siemens SIRIUS series leakage current (ground fault) monitoring relay. It needs to be used with a 3UL23 current transformer and can detect residual current anomalies in the range of 0.03 to 40 amps. It is suitable as a ground fault protection device for equipment.

Core Product Advantages and Features

Ground fault current detection

When paired with a 3UL23 current transformer, residual current can be measured, with a detection range of 0.03 to 40 amps, enabling early detection of potential grounding faults.

Dual-group switching contacts

Equipped with two sets of switching contacts (DPDT), it can simultaneously output alarm signals and drive the circuit to trip, making the wiring more flexible.

Spring-loaded terminal blocks

It adopts spring-loaded screwless terminals, which allow for quick on-site wiring and are not prone to loosening due to vibration during long-term use.

Wide-range AC power supply

The control power supply supports AC 24 to 240 volts, which can be directly adapted to most industrial control power supply voltage levels.

project	Specification
model	3UG4625-2CW30
Function	Leakage current/ground fault current monitoring
Current measurement range	0.03~40 A (requires a 3UL23 current transformer)
Contact type	Two sets of switching contacts (DPDT)
Contact capacity	250V AC/3A
Delay time	0.1~20 seconds
Power supply voltage	AC 24~240 V
Wiring method	Spring-type terminals
width	22.5 mm
Operating temperature	-25~+60°C

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