Hartland Controls / Littelfuse

AC Relay for HVAC and Industrial Switching – HCR Series

Hartland Controls' relays provide power system on/off switching capabilities

Image of Hartland Controls' AC Relay for HVAC and Industrial Switching – HCR Series The primary purpose of Hartland Controls/Littelfuse's relays is to switch electrical circuits on and off in an instant. Relays are essentially electromagnetic switches activated by a low power signal or current in one circuit to open or close another circuit. They are most commonly used in power system networks and multiple automotive and industrial applications or HVAC where the system is controlled by 24 VAC, 120 VAC, or 240 VAC.

Resources

Features
  • SPST-NO, SPDT, DPST-NO, DPDT
  • Class B insulation system
  • 0.250" QC (Quick Connect) terminals
  • Multi-positional mounting
  • UL 508 File No. E227250
  • Temperature range: -40°C to +65°C
  • Mechanical life expectancy: 1 million operations
  • Electrical life expectancy
    • 250,000 operations—resistive
    • 100,000 operations—inductive
  • Contact material: silver cadmium oxide alloy

Single Pole/Single Throw - Normally Open Contacts (SPST-NO) - HCR-5 Series

ImageManufacturer Part NumberDescriptionContact FormAvailable QuantityPriceView Details
RELAY GEN PURPOSE SPST 18A 24V90290RELAY GEN PURPOSE SPST 18A 24VSPST-NO (DM) (1 Form X)21 - Immediate$285.40View Details
RELAY GEN PURPOSE SPST 18A 120V90291RELAY GEN PURPOSE SPST 18A 120VSPST-NO (DM) (1 Form X)20 - Immediate$302.86View Details
RELAY GEN PURPOSE SPST 18A 240V90292RELAY GEN PURPOSE SPST 18A 240VSPST-NO (DM) (1 Form X)24 - Immediate$317.67View Details

Single Pole/Double Throw Contacts (SPDT) - HCR-5 Series

ImageManufacturer Part NumberDescriptionContact FormAvailable QuantityPriceView Details
RELAY GEN PURPOSE SPDT 18A 24V90293RELAY GEN PURPOSE SPDT 18A 24VSPDT (1 Form C)24 - Immediate$290.18View Details
RELAY GEN PURPOSE SPDT 18A 24V90370RELAY GEN PURPOSE SPDT 18A 24VSPDT (1 Form C)47 - Immediate$290.67View Details
RELAY GEN PURPOSE SPDT 18A 120V90294RELAY GEN PURPOSE SPDT 18A 120VSPDT (1 Form C)19 - Immediate$308.04View Details
RELAY GEN PURPOSE SPDT 18A 240V90295RELAY GEN PURPOSE SPDT 18A 240VSPDT (1 Form C)23 - Immediate$323.27View Details
RELAY GEN PURPOSE SPDT 18A 24V90380RELAY GEN PURPOSE SPDT 18A 24VSPDT (DB/DM) (1 Form Z)0 - ImmediateSee Page for PricingView Details

Double Pole/Double Throw Contacts (DPDT) - HCR-6 Series

ImageManufacturer Part NumberDescriptionContact FormAvailable QuantityPriceView Details
RELAY GEN PURPOSE DPDT 15A 24V90340RELAY GEN PURPOSE DPDT 15A 24VDPDT (2 Form C)0 - ImmediateSee Page for PricingView Details
RELAY GEN PURPOSE DPDT 15A 120V90341RELAY GEN PURPOSE DPDT 15A 120VDPDT (2 Form C)21 - Immediate$321.05View Details
RELAY GEN PURPOSE DPDT 15A 240V90342RELAY GEN PURPOSE DPDT 15A 240VDPDT (2 Form C)15 - Immediate$329.69View Details
Published: 2022-02-09