While primarily used as a commercial refrigeration motor for condensers

reducing torque requirements

Constructed with a 37-inch outside circumference and a 5/8-inch top width

Is the Trane FAN1251 compatible with 1/2-inch shafts

Siemens Industrial Controls 3RH1921-1EA11 Switch 322838-752 While primarily used as aThe Siemens 3RH1921 1EA11 is a side mounted auxiliary contact block designed for the seamless expansion of SIRIUS 3RT1 contactors and 3RH1 contactor relays. Engineered for industrial motor control applications, this 2 pole auxiliary switch provides a 1NO 1NC contact configuration (1 Normally Open and 1 Normally Closed), allowing for instantaneous signaling and interlocking within your control circuit. This module is compatible with SIRIUS frame sizes