Omega 782 User guide

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SERIES 781 & 782

ICE CUBE RELAYS

SPDT or DPDT Operation

Relays

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The Series 781 & 782 Ice Cube Relays are full-featured relays that can be used to

handle loads up to 15 amps for AC or DC circuits. It features a ag status indicator

and a LED status lamp to let the user know when the relay is activated. In order to differentiate between AC and DC actuated models, the push-to-test button is color coded and a removable lock-down lever holds the test button in place.

BENEFITS/FEATURES

• Clear plastic housing to easily view the contacts

• Flag and LED status indicators for visual conrmation of relay state

• Socket mounted for quick installation/replacement

APPLICATIONS

• Refrigeration compressor systems

• HVAC motor controls

• Water/wastewater pump control

MODEL CHART

Model Operation Input Voltage 781XAXRM4L-24A

781XAXRM4L-120A 781XAXRM4L-240A 781XAXRM4L-24D 782XBXM4L-24A 782XBXM4L-120A 782XBXM4L-240A 782XBXM4L-24D

ACCESSORIES Model Description 70-781D5-1A

70-782D8-1A

AC AC AC DC AC AC AC DC

Socket for 781 series relay Socket for 782 series relay

24 VAC 50/60 Hz 120 VAC 50/60 Hz 240 VAC 50/60 Hz

24 VDC

24 VAC 50/60 Hz 120 VAC 50/60 Hz 240 VAC 50/60 Hz

24 VDC

Pictures shown with socket accessory (sold separately)

Coil Resistance Electrical Rating

180 Ω 4430 Ω 15720 Ω 750 Ω 180 Ω 4430 Ω 15720 Ω 650 Ω

15 A @ 277 VAC (50/60 Hz) or 28 VDC 15 A @ 277 VAC (50/60 Hz) or 28 VDC 15 A @ 277 VAC (50/60 Hz) or 28 VDC 15 A @ 277 VAC (50/60 Hz) or 28 VDC 15 A @ 120 VAC 50/60 Hz; 12 A @ 277 VAC 50/60 Hz or 28 VDC (UL); 10 A @ 277 VAC 50/60 Hz (CSA) 15 A @ 120 VAC 50/60 Hz; 12 A @ 277 VAC 50/60 Hz or 28 VDC (UL); 10 A @ 277 VAC 50/60 Hz (CSA) 15 A @ 120 VAC 50/60 Hz; 12 A @ 277 VAC 50/60 Hz or 28 VDC (UL); 10 A @ 277 VAC 50/60 Hz (CSA) 15 A @ 120 VAC 50/60 Hz; 12 A @ 277 VAC 50/60 Hz or 28 VDC (UL); 10 A @ 277 VAC 50/60 Hz (CSA)

DWYER INSTRUMENTS, LLC | dwyer-inst.com354

782

SPECIFICATIONS Operating and Load Voltage Range: 24-240 VAC; 24 VDC.

Electrical Connection: Silver alloy plug-in contacts. Switching Operation: SPDT or DPDT. Electrical Rating: Depends on model, see model chart. Temperature Limits: Storage: -40 to 185°F (-40 to 85°C); Operation: -40 to 131°F

(-40 to 55°C).

Power Consumption: 781: 0.9 VA; 0.7W; 782: 1.2 VA; 0.9W. Cycle Life: 100,000 cycles (electrical); 10,000,000 cycles (mechanical). Housing: Plastic polycarbonate. Weight: 781: 1.02 oz (29 g); 782: 1.3 oz (36 g). Compliance: CE, CSA, cULus, cURus.