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STRUTHERS-DUNN 450XBX4069120VAC Heavy Duty Power Relay

The Struthers-Dunn 450 series heavy-duty power relay is engineered for reliable performance in industrial control circuits. It boasts a mechanical life of 10,000,000 operations and an electrical life of 100,000 operations, ensuring longevity in demanding environments. Available with various contact configurations (XAX, XBX, BXX, HXX, XXH, XHX) and coil voltages, this relay is suitable for a wide range of applications including motor control, lighting control, and HVAC systems. Optional features like LED coil power indication, polycarbonate protective covers, and blowout magnets enhance functionality and safety. The relay’s robust design and wide operating temperature range (-55°C to 70°C for AC coils, -55°C to 105°C for DC coils) make it ideal for harsh industrial conditions.

Authorized Distributors
Part No:450XBX4069-120VAC
Stock:10
Inv Date:06-08-2026
Price: Unit price: $193.51
Buy/RFQ:
Part No:450XBX4069-120VAC
Stock:22
Inv Date:06-08-2026
Price: Unit price: $192.87
Buy/RFQ:
Part No:450XBX4069-120VAC
Stock:22
Inv Date:06-08-2026
Price: Unit price: $192.87
Buy/RFQ:

STRUTHERS-DUNN 450XBX4069120VAC Heavy Duty Power Relay Specifications:

  • UL Standard: 60947-1 (UL 508)
  • Max. Rating: 40 Amps or 50 Amps
  • Current @ Voltage: 40 Amps @ 277 VAC, 50 Amps @ 240VAC, 40 Amps @ 28 VDC, 50 Amps @ 28VDC
  • Mechanical Life: 10,000,000 Cycles
  • Electrical Life: 100,000 Cycles
  • Operate Time: 20ms
  • Release Time: 15ms
  • Dielectric Strength: 2200VAC Between coil and contact, 2200VAC Between poles, 2200VAC Between contacts
  • Ambient Temperature (AC Coil): -55°C to 70°C
  • Ambient Temperature (DC Coil): -55°C to 105°C
  • Coil Voltage Options: 6, 12, 24, 120, 208, 220, 240, 277, 480VAC; 6, 12, 24, 48, 110/125, 250VDC
  • Contact Material: AgSnO2 - Silver Tin Oxide
  • AC Rating: 40A @ 277VAC 50/60Hz, 20A @ 600VAC 50/60Hz, 30A @ 120VAC (Ballast), 15A @ 240VAC (Ballast)
  • Motor Load Rating: 2HP @ 120/240VAC 50/60Hz
  • DC Rating: 40A @ 28VDC
  • DC Rating with Blowout Magnet: 20A @ 125VDC, 4A @ 250VDC, 1A @ 500VDC
  • Minimum Load Rating: 100mA @ 12 VAC/DC (min.)
  • Auxiliary Switch Rating: 10A @ 125/250VAC
  • Pilot Duty: A300
  • Certifications: UL/CUL Listed, UL/CUL Recognized

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STRUTHERS-DUNN

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