The W35B-120T1 is an original split-core measuring current transformer manufactured by BENDER, Germany. It is specially designed to collect residual current and earth fault signals, and compatible with all BENDER RCM & RCMS residual current monitoring devices.
Adopting a detachable split-core structure, it can be clamped directly on cables without power cut or cable cutting, ideal for retrofitting leakage monitoring on old distribution cabinets and finished circuits.
It features a yellow flame-retardant plastic housing with integrated standard 35mm DIN rail clip for easy mounting and dismounting. The φ35mm cable aperture allows large-diameter single power cables to pass through. Compliant with IEC 60044-1 international standard for measuring current transformers, it comes with 3kV power frequency withstand voltage insulation, CE and cRU US certifications to guarantee safety in industrial environments. With Class 0.5 high precision sampling, it accurately captures tiny differential leakage current to provide reliable data for electric fire prevention and electric shock protection.
Key Features
1. Split openable core design, no cable cutting required, greatly saving time for circuit renovation
2. Class 0.5 high measuring accuracy, no distortion when collecting weak leakage signals
3. Wide operating temperature range from -25℃ to +70℃, stable performance in high & low temperature workshops and indoor power distribution rooms
4. 3kV insulation withstand voltage and flame-retardant housing for superior insulation safety
5. Snap-on mounting for standard 35mm DIN rail, no extra fixing accessories needed
6. Large φ35mm cable aperture, compatible with most common power cables
7. Made in Germany with low long-term failure rate, suitable for 24-hour continuous industrial operation
Full Specifications
Model: W35B-120T1
Brand: BENDER
Origin: Germany
Primary Rated & Max Current: 120A
Secondary Output Current: 0.3A / 0.003A
Accuracy Class: Class 0.5
Power Frequency Withstand Voltage: 3kV (IEC 60044-1)
Cable Aperture: φ35mm
Mounting Type: 35mm standard DIN rail clip-on installation
Overall Dimension: 117.24.8 cm
Net Weight: 0.185kg
Operating Temperature: -25℃ ~ +70℃
Certifications: CE, cRU US
Application Scope
Widely applied in industrial control cabinets, medical IT isolated power supply systems, data centers, commercial building power distribution, new energy charging piles, ship electrical control, automatic production lines and other occasions. It monitors circuit residual current and earth faults to prevent electric fires and electric shock hazards.
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