While optimized for 24VAC control circuits

Fail-Safe Logic: Internal capacitors provide reliable normally open positioning without the mechanical failure points of traditional springs

For contractors and plant maintenance technicians

Always verify your specific model number on the rating plate to ensure a match with the 327533-402 specifications

This component is the primary furnace burner replacement for the 660921 and 660921R series

Siemens Industrial Controls 3RB3016-2SB0 Relay 318973-401 While optimized for 24VAC controlProtect your motor assets with the Siemens 3RB3016 2SB0, a high performance SIRIUS electronic overload relay engineered for precise protection of three phase loads. This solid state unit offers an adjustable current setting range of 3 to 12 Amps, providing a reliable defense against phase failure, unbalance, and sustained overcurrent conditions. Designed for direct mounting to SIRIUS 3RT2 S00 contactors, it eliminates the need for separate mounting