RM22TR33 Schneider Electric three-phase phase loss, phase sequence... Maintain constant and efficient engine work DPA51CM44 load: 5A/250VAC; 5A / 24VDC Rated current: 5A Rated voltage: 208-480VAC features: IP20., Rated voltage range 3C: less than 36V Measuring range: 208-480VAC switching voltage: 250V switching current: 5A Output: 1*SPDT relay Maximum load capacity: 5A/250VAC, 5A / 24VDC Electrical life: 100,000 times Size: 8., 1 x 6., 7 x 1., 75cm/3., 1 x 2., 6 x 0., 6inch Package includes: 1 x Three-phase monitoring relay Harmony Control Monitoring and Control Relays (RM17, RM22, RM35) monitor and detect abnormal operating conditions concerning phase ,current, voltage, frequency, speed, or temperature. The relays inform users of abnormal conditions and allow them to initiate the necessary corrective actions before serious and costly breakdown can occur DPA51CM44 three-phase monitoring relay features strong anti-interference performance Phase Loss Relay, 208-480VAC Motor 3 Phase Sequence Relay Lightweight Stable For Office Building 3 Phase Sequence Protection Relay DPA51CM44 Phase Sequence Relay 3 Phase Monitoring Relay DPA51CM44 - Phase Sequence & Loss Protection 208-480VAC DIN Rail Mount DPA51CM44 Monitoring Relay Schneider Harmony 3 Phase Relay