Product details:

Enclosed Pre-Wired Relay, Application - Prewired Relay Emergency Bypass or Shunt, Coil Volts 208 to 277VAC, AC Contact Rating - Relay 20A @ 300V, 15A @ 600V, DC Contact Rating - Relay 20A @ 28V, Contact Form - Relay DPDT, Mounting - Relay 1/2 In. Nipple, Surface, Power Consumption - Relay 21.8 to 29.1VA, Body Depth - Relay 1.80 In., Body Height - Relay 4.00 In., Body Width - Relay 4.00 In., Overall Height - Relay 4.00 In., Contact Material Silver Alloy, Indicator Type LED, Lead Length 16 In.FeaturesLead Length: 16 inch - Application: Emergency Bypass/Shunt - Coil Volts: 208 to 277VACDimensions: 4.0 inch - H x 4.0 inch - W x 1.8 inch - DFeatures: Enclosed Coil, Screw Terminals and Silver Alloy Contacts - Contact Form: DPDTHP @ 240V: 2NEMA Enclosure Type: 1Hz: 50/60Contact Material: Silver Alloy - Contact Amp Rating (Resistive): 20A @ 300VAC, 15A @ 600VAC, 20A @ 28VDCNipple