ELR-3B

Earth Leakage Relays whithout Built-in Toroidal Transformer

Key Features : 

• Type B earth leakage relay. Suitable for Direct current (DC), pulsating current, and alternating current (AC) up to 1000 Hz.
• Electronic relays with adjustable time delay and sensitivity.
• Immune to external disturbances.
• To be used with CTB toroidal transformers.
• Modular DIN rail mounting. 3 modules.
• Sealable front cover.
• Fail-safe function (settable).