Functional Devices RIBT2402SB : Enclosed Power Relay, 20 Amp Contact Rating, Relay Contact Type: SPST + Override, 24 Vac/dc/208-277 Vac Coil, Hi/Lo Voltage Separation, NEMA 1 Housing

The RIBT2402SB is designed for higher voltage coil applications with an override switch for manual control. Ideal for automation and control panels requiring hi/lo voltage separation, this model is commonly used in HVAC and building management systems.

• Relays & Contact Type: One (1) SPST Continuous Duty Coil
• Expected Relay Life: 10 million cycles minimum mechanical
• Operating Temperature: -30 to 140° F
• Humidity Range: 5 to 95% (noncondensing)
• Operate Time: 18ms
• Relay Status: LED On = Activated
• Dimensions: 4.00" x 4.00" x 1.80" with .50" NPT Nipple
• Wires: 16", 600V Rated
• Approvals: UL Listed, UL916, UL864, C-UL, California State Fire Marshal, CE, RoHS
• Housing Rating: UL Accepted for Use in Plenum, NEMA 1
• Gold Flash: No
• Override Switch: Yes
• Origin: Made of US and non-US parts

• 20 Amp Resistive @ 277 Vac
• 20 Amp Ballast @ 277 Vac (N/O)
• 10 Amp Ballast @ 277 Vac (N/C)
• Not rated for Electronic Ballast
• 10 Amp Tungsten @ 120 Vac (N/O)
• 1,110 VA Pilot Duty @ 277 Vac
• 770 VA Pilot Duty @ 120 Vac
• 2 HP @ 277 Vac
• 1 HP @ 120 Vac

Coil Voltage Input:
24 Vac/dc ; 208–277 Vac ; 50–60 Hz
Drop Out = 2.1 Vac / 3.8 Vdc
Pull In = 18 Vac / 22 Vdc

Coil Current:
50 mA @ 18 Vac
83 mA @ 24 Vac
69 mA @ 208–277 Vac
33 mA @ 22 Vdc
35 mA @ 24 Vdc
47 mA @ 30 Vdc

Notes:
• Normally Open or Normally Closed selected by yellow jumper wire