Siemens Industrial Controls 3RU2126-1FB0 Relay 321702-401 Fail-Safe Operation: The release/close mechanism

Fail-Safe Operation: The release/close mechanism provides a mechanical fallback to ensure system safety without relying on electrical power

Common Questions: What causes a Weil-McLain 1

Precision Operating Specs: Rated at 1150 RPM and 1/70 HP to match original system CFM requirements and thermal lift

this 1/3 HP blower motor utilizes a dual-speed configuration

inspect the surrounding mounting hardware for thermal stress to ensure a complete and reliable field repair

Siemens Industrial Controls 3RU2126-1FB0 Relay 321702-401 Fail-Safe Operation: The release/close mechanismThe Siemens 3RU2126 1FB0 is a high performance thermal overload relay designed for precise motor protection in demanding industrial environments. Engineered for direct mounting onto SIRIUS 3RT2 size S0 contactors, this unit provides critical current dependent protection against overloads and phase failures. With an adjustable setting range of 3. 5 to 5. 0 Amps, it ensures optimal equipment safety by monitoring the temperature sensitive bimetal strips