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The 286 on delay and 287 off delay are square base, bladed versions of time delay relays. Both AC and DC versions are available. On delays can have up to three poles. The timing circuit is a fully encapsulated precision RC (resistor – capacitor) network typically used in applications where oscillators are not desired. Fixed time and externally adjustable versions are available. The package on this series is typically socket mounted. It can also be panel mounted allowing direct connections to terminals with quick-connects or soldering.

Additional contact configurations and coil options are available – please use the RFQ/RFI tab above to submit your request.
UL Recognized               Made in U.S.A.

286/287 Series - Squre Base Time Delay Relays
Unit of Measure
Items 286/287 Series - Squre Base Time Delay Relays
286XAXC-180-120VAC
286/287 Series - Squre Base Time Delay Relays
286/287 Series - Squre Base Time Delay Relays
286XBXC-001-24VDC
286/287 Series - Squre Base Time Delay Relays
286/287 Series - Squre Base Time Delay Relays
286XBXC-010R-24VAC
286/287 Series - Squre Base Time Delay Relays
286/287 Series - Squre Base Time Delay Relays
286XBXC-030-24VAC
286/287 Series - Squre Base Time Delay Relays
286/287 Series - Squre Base Time Delay Relays
286XBXC-10F-12VDC
286/287 Series - Squre Base Time Delay Relays
Series N/A 286
Contact Arrangement N/A XAX (SPDT) - (1 form C) N/A XBX (DPDT) - (2 form C) N/A XBX (DPDT) - (2 form C) N/A XBX (DPDT) - (2 form C) N/A XBX (DPDT) - (2 form C)
Mounting Options N/A Plug-in
Timing Range N/A 18 - 180 s N/A 0.1 - 1.0 s N/A 1.0 - 10 s N/A N/A
Adjustment Options N/A Adjustment knob N/A Adjustment knob N/A Remote adjustment N/A Adjustment knob N/A Fixed - Specify fixed time
Operating Voltage N/A 120 VAC N/A 24 VDC N/A 24 VAC N/A 24 VAC N/A 12 VDC
Functions Available N/A On-delay
Time Range N/A Up to 300 seconds
Timing Adjustment N/A Knob
Timing Repeatability (Constant voltage and temperature) N/A 3%
Reset Time maximum N/A 150
Input Pulse Length minimum N/A 50
Contact Configuration N/A SPDT, DPDT, 3PDT
Contact Material N/A Silver Alloy
Contact Rating N/A 10 A
Contact Rating 120 / 240VAC Resistive N/A 10 A / 10 A
Contact Rating 28VDC Resistive N/A 10 A
Contact Rating Motor 120VAC N/A 1/3 hp
Contact Rating Motor 240VAC N/A 1/2 hp
Minimum Contact Load N/A 500 mW
Contact Resistance, Initial N/A 100 milliohms max at 6VDC, 1A
Coils Available N/A AC and DC
Transient Protection N/A Yes
Reverse Polarity Protection N/A Yes
Nominal Coil Power AC N/A 2.75 VA
Nominal Coil Power DC N/A 2 W
Input Voltage Tolerance - AC N/A 85% to 110% of nominal
Input Voltage Tolerance - DC N/A 80% to 110% of nominal
Duty N/A Continuous
Across Open Contacts N/A 500 Vrms
Between Mutually Insulated Point N/A 1500 Vrms
Insulation Resistance N/A 1,000 Mohms min at 500VDC
Operating N/A -20 to 70 ºC-4 to 158 ºF
Storage N/A -40 to 85 ºC-40 to 185 ºF
Electrical (full load) N/A 100,000
Mechanical (no load) N/A 10,000,000
Mounting Position N/A any
Mating Socket N/A SK-SQB11-DS
Enclosure N/A Clear Polycarbonate
Weight N/A 5.0 oz142 g