Broyce Control BZCT Series Surface Mount Current Transformer 35mm Bore BZCT035

Broyce Control BZCT035 Current Transformer is a high-quality surface mount toroidal transformer designed for precise earth leakage detection and process control tasks in industrial and automation applications. This model features a 35mm inner bore diameter ideal for detecting leakage currents and transmitting proportional signals to compatible earth leakage relays.

The device operates effectively within an ambient temperature range of -20°C to 60°C, making it suitable for diverse environments. Its slim, grey ABS housing offers durability and ease of mounting on surfaces, with compact overall dimensions measuring 74mm in height, 64mm in width, and 40mm in depth. The transformer boasts a rated system voltage of 720VAC, supporting current ratings up to 65A with a sensitive current ratio of 1:1000.

This current transformer is engineered for use with Broyce "Type A" Earth Leakage Relays, enabling reliable external sensing for safety-critical installations. The maximum recommended distance between the toroid and the earth leakage relay is 50 meters, ensuring effective signal integrity. Its insulation withstands voltages up to 3kVAC, offering robust operational safety under industrial conditions.

Certified by UL and compliant with international standards such as ANSI/ESD S20.20:2014 and BS EN 61340-5-1:2007, this current transformer meets stringent quality and electrical safety requirements. The product is manufactured in the United Kingdom, reflecting high manufacturing standards and performance reliability.

Typical applications include industrial automation, electrical process control, earth leakage detection systems, and other control gear systems requiring accurate current monitoring.

Inner diameter of 35mm suitable for toroidal earth leakage detection. Surface mount housing made from grey ABS material. Operates within -20°C to 60°C ambient temperature range. Rated system voltage of 720VAC with a current ratio of 1:1000.

Compact slim design with overall dimensions of 74mm height, 64mm width, and 40mm depth. Insulation level rated at 3kVAC for safety and reliability. Compatible with Broyce "Type A" Earth Leakage Relays requiring external sensing.

Maximum distance between toroid and earth leakage relay is 50 meters. Complies with UL and international standards including ANSI/ESD S20.20:2014 and BS EN 61340-5-1:2007. Manufactured in the United Kingdom ensuring quality and performance compliance.

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