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2 Form A (DPST-NO), 2 Form B (DPST-NC) Relays, Contactors & Solenoids

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Relay Contact Form = 2 Form A (DPST-NO), 2 Form B (DPST-NC)

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (HKD) Filter the results in the table by unit price based on your quantity.	Qty.	Relay Contact Form	Coil Voltage	Contact Current Rating	Coil Type	Switching Voltage
General Purpose Relays 4A 5VDC 2P-NO 2P-NC AMBER SEAL PCB S2EB-5V Panasonic Industry 1: HK$381.41 390In Stock 500Expected 5/4/2027	Mfr. Part No. S2EB-5V Mouser Part No 769-S2EB-5V	Panasonic Industry	General Purpose Relays 4A 5VDC 2P-NO 2P-NC AMBER SEAL PCB	Datasheet	390In Stock 500Expected 5/4/2027	HK$381.41 HK$339.73 HK$324.36 HK$313.18 View HK$301.10 HK$288.44	Min.: 1 Mult.: 1	2 Form A (DPST-NO), 2 Form B (DPST-NC)	5 VDC	4 A	Non-Latching	250 VAC, 48 VDC
General Purpose Relays 4A 12VDC 2P-NO 2P-NC 2 COIL LATCH PCB S2EB-L2-12V Panasonic Industry 1: HK$387.90 325In Stock	Mfr. Part No. S2EB-L2-12V Mouser Part No 769-S2EB-L2-12V	Panasonic Industry	General Purpose Relays 4A 12VDC 2P-NO 2P-NC 2 COIL LATCH PCB	Datasheet	325In Stock	HK$387.90 HK$349.27 HK$349.10 HK$334.55 View HK$319.02 HK$301.92 Quote	Min.: 1 Mult.: 1	2 Form A (DPST-NO), 2 Form B (DPST-NC)	12 VDC	4 A	Dual Coil Latching	250 VAC, 48 VDC
Safety Relays 6A 12V 2FORMA/2FORMB PCB SF2D-DC12V Panasonic Industry 1: HK$321.24 135In Stock 200Expected 17/11/2026	Mfr. Part No. SF2D-DC12V Mouser Part No 769-SF2D-DC12V	Panasonic Industry	Safety Relays 6A 12V 2FORMA/2FORMB PCB Learn More about Panasonic Industry panasonic safety relays	Datasheet	135In Stock 200Expected 17/11/2026	HK$321.24 HK$276.36 HK$266.82 HK$261.48 View HK$254.82 HK$242.74	Min.: 1 Mult.: 1	2 Form A (DPST-NO), 2 Form B (DPST-NC)	12 VDC			440 VAC, 30 VDC
Safety Relays 6A 24V 2FORMA/2FORMB PCB SF2D-DC24V Panasonic Industry 1: HK$334.31 94In Stock 800On Order	Mfr. Part No. SF2D-DC24V Mouser Part No 769-SF2D-DC24V	Panasonic Industry	Safety Relays 6A 24V 2FORMA/2FORMB PCB Learn More about Panasonic Industry panasonic safety relays	Datasheet	94In Stock 800On Order On Order Ship Dates Mfr. No: SF2D-DC24V Stock: 94 Can Dispatch Immediately On Order: 400 Expected 17/11/2026 400 Expected 28/12/2026 Factory Lead Time: 14 Weeks	HK$334.31 HK$301.59 HK$291.23 HK$284.74 View HK$272.82 HK$261.23 Quote	Min.: 1 Mult.: 1	2 Form A (DPST-NO), 2 Form B (DPST-NC)	24 VDC			440 VAC, 30 VDC
Industrial Relays RELAY G7J-2A2B-B DC12 Omron Automation and Safety 1: HK$665.82 1In Stock	Mfr. Part No. G7J-2A2B-B DC12 Mouser Part No 653-G7J-2A2B-BDC12	Omron Automation and Safety	Industrial Relays RELAY	Datasheet	1In Stock	HK$665.82 HK$476.27 HK$454.73 HK$439.11 HK$423.99	Min.: 1 Mult.: 1	2 Form A (DPST-NO), 2 Form B (DPST-NC)	12 VDC	25 A	Non-Latching	250 VAC, 125 VDC
Industrial Relays GENERAL PURPOSE RELAY G7J-2A2B-B DC24 Omron Automation and Safety 1: HK$619.71 2In Stock	Mfr. Part No. G7J-2A2B-B DC24 Mouser Part No 653-G7J-2A2B-BDC24	Omron Automation and Safety	Industrial Relays GENERAL PURPOSE RELAY	Datasheet	2In Stock	HK$619.71 HK$481.77 HK$459.99 HK$444.21 HK$428.92	Min.: 1 Mult.: 1	2 Form A (DPST-NO), 2 Form B (DPST-NC)	24 VDC	25 A	Non-Latching	250 VAC, 125 VDC
Industrial Relays RELAY G7J-2A2B-P DC24 Omron Automation and Safety 1: HK$542.52 7In Stock 26Expected 9/11/2026	Mfr. Part No. G7J-2A2B-P DC24 Mouser Part No 653-G7J-2A2B-PDC24	Omron Automation and Safety	Industrial Relays RELAY	Datasheet	7In Stock 26Expected 9/11/2026	HK$542.52 HK$441.33 HK$375.24 HK$362.34 HK$349.93	Min.: 1 Mult.: 1	2 Form A (DPST-NO), 2 Form B (DPST-NC)	24 VDC	25 A	Non-Latching	250 VAC, 125 VDC
Industrial Relays 2FormA+2FormB 110VAC Screw term W bracke G7J-2A2B-B-W1-AC100/120 Omron Automation and Safety 1: HK$565.70 11In Stock	Mfr. Part No. G7J-2A2B-B-W1-AC100/120 Mouser Part No 653-G7J-2A2BBW-AC1	Omron Automation and Safety	Industrial Relays 2FormA+2FormB 110VAC Screw term W bracke	Datasheet	11In Stock	HK$565.70 HK$503.72 HK$481.03 HK$464.43 HK$448.48	Min.: 1 Mult.: 1	2 Form A (DPST-NO), 2 Form B (DPST-NC)	100 VAC to 120 VAC	25 A	Non-Latching	250 VAC, 125 VDC
Industrial Relays 2FormA+2FormB 24VDC Screw term W bracket G7J-2A2B-B-W1-DC24 Omron Automation and Safety 1: HK$674.04 21In Stock	Mfr. Part No. G7J-2A2B-B-W1-DC24 Mouser Part No 653-G7J-2A2BBW-DC24	Omron Automation and Safety	Industrial Relays 2FormA+2FormB 24VDC Screw term W bracket	Datasheet	21In Stock	HK$674.04 HK$481.77 HK$459.99 HK$444.21 HK$428.92	Min.: 1 Mult.: 1	2 Form A (DPST-NO), 2 Form B (DPST-NC)	24 VDC	25 A	Non-Latching	250 VAC, 125 VDC
Safety Relays G7SA-2A2BDC12 Omron Automation and Safety 1: HK$437.22 14In Stock 22Expected 6/11/2026	Mfr. Part No. G7SA-2A2BDC12 Mouser Part No 653-G7SA-2A2BDC12	Omron Automation and Safety	Safety Relays	Datasheet	14In Stock 22Expected 6/11/2026	HK$437.22 HK$410.34 HK$396.12 HK$383.55 View HK$377.63 Quote	Min.: 1 Mult.: 1	2 Form A (DPST-NO), 2 Form B (DPST-NC)	12 VDC			250 VAC, 125 VDC
Plug-in Relays G.P. RELAY MJN1Z-E-RP-AC120 Omron Automation and Safety 1: HK$398.59 7In Stock	Mfr. Part No. MJN1Z-E-RP-AC120 Mouser Part No 653-MJN1Z-E-RP-AC120	Omron Automation and Safety	Plug-in Relays G.P. RELAY	Datasheet	7In Stock	HK$398.59 HK$314.25 HK$300.03 HK$289.76 View HK$279.81 HK$267.15	Min.: 1 Mult.: 1	2 Form A (DPST-NO), 2 Form B (DPST-NC)	120 VAC	30 A	Non-Latching	600 VAC, 28 VDC
Safety Relays OA5611,24V 2NO/2NC;AgNi1 56.OA11.2422N Altech 1: HK$583.04 4In Stock 30Expected 8/2/2027	Mfr. Part No. 56.OA11.2422N Mouser Part No 845-56.OA11.2422N	Altech	Safety Relays OA5611,24V 2NO/2NC;AgNi1	Datasheet	4In Stock 30Expected 8/2/2027	HK$583.04 HK$452.59 HK$378.04 HK$377.96	Min.: 1 Mult.: 1	2 Form A (DPST-NO), 2 Form B (DPST-NC)
Contactors - Electromechanical CONTACTOR RELAY 2NO+2NC AC 24V SCREW 3RH21221AB00 Siemens 1: HK$1,062.68 6In Stock	Mfr. Part No. 3RH21221AB00 Mouser Part No 982-3RH21221AB00	Siemens	Contactors - Electromechanical CONTACTOR RELAY 2NO+2NC AC 24V SCREW Learn More about Siemens 3rh2 contactor relays	Datasheet	6In Stock	HK$1,062.68 HK$946.29 HK$903.54 HK$872.39	Min.: 1 Mult.: 1	2 Form A (DPST-NO), 2 Form B (DPST-NC)	24 VAC	10 A	AC Type	690 VAC
Contactors - Electromechanical CONTACTOR RELAY 2NO+2NC AC 110V SCREW 3RH21221AF00 Siemens 1: HK$1,062.68 6In Stock	Mfr. Part No. 3RH21221AF00 Mouser Part No 982-3RH21221AF00	Siemens	Contactors - Electromechanical CONTACTOR RELAY 2NO+2NC AC 110V SCREW Learn More about Siemens 3rh2 contactor relays	Datasheet	6In Stock	HK$1,062.68 HK$946.29 HK$903.54 HK$872.39	Min.: 1 Mult.: 1	2 Form A (DPST-NO), 2 Form B (DPST-NC)	110 VAC	10 A	AC Type	690 VAC
Contactors - Electromechanical CONT.RELAY,2NO+2NC,AC120V 50/60HZ 3RH21221AK20 Siemens 1: HK$1,188.78 4In Stock	Mfr. Part No. 3RH21221AK20 Mouser Part No 982-3RH21221AK20	Siemens	Contactors - Electromechanical CONT.RELAY,2NO+2NC,AC120V 50/60HZ	Datasheet	4In Stock	HK$1,188.78 HK$1,154.58 HK$1,129.76 View Quote	Min.: 1 Mult.: 1	2 Form A (DPST-NO), 2 Form B (DPST-NC)	120 VAC	10 A	AC Type	690 VAC
Contactors - Electromechanical CONTACTOR RELAY 2NO+2NC AC 240V SCREW 3RH21221AP60 Siemens 1: HK$1,062.68 3In Stock 2On Order	Mfr. Part No. 3RH21221AP60 Mouser Part No 982-3RH21221AP60	Siemens	Contactors - Electromechanical CONTACTOR RELAY 2NO+2NC AC 240V SCREW Learn More about Siemens 3rh2 contactor relays	Datasheet	3In Stock 2On Order	HK$1,062.68 HK$946.29 HK$903.54 HK$872.39	Min.: 1 Mult.: 1	2 Form A (DPST-NO), 2 Form B (DPST-NC)	220 VAC, 240 VAC	10 A	AC Type	690 VAC
Contactors - Electromechanical CONTACTOR RELAY 2NO+2NC DC 110V SCREW 3RH21221BF40 Siemens 1: HK$1,206.78 5In Stock	Mfr. Part No. 3RH21221BF40 Mouser Part No 982-3RH21221BF40	Siemens	Contactors - Electromechanical CONTACTOR RELAY 2NO+2NC DC 110V SCREW Learn More about Siemens 3rh2 contactor relays	Datasheet	5In Stock	HK$1,206.78 HK$1,080.60 HK$1,031.77 HK$996.26	Min.: 1 Mult.: 1	2 Form A (DPST-NO), 2 Form B (DPST-NC)	110 VDC	10 A	DC Type	690 VAC
Contactors - Electromechanical CONTACTOR RELAY 2NO+2NC DC 48V SCREW 3RH21221BW40 Siemens 1: HK$1,213.68 6In Stock	Mfr. Part No. 3RH21221BW40 Mouser Part No 982-3RH21221BW40	Siemens	Contactors - Electromechanical CONTACTOR RELAY 2NO+2NC DC 48V SCREW	Datasheet	6In Stock	HK$1,213.68 HK$1,205.55 HK$1,169.05 View Quote	Min.: 1 Mult.: 1	2 Form A (DPST-NO), 2 Form B (DPST-NC)	48 VDC	10 A	DC Type	690 VAC
Contactors - Electromechanical COUPLING RELAY 2NO+2NC DC 24V SCREW 3RH21221KB40 Siemens 1: HK$1,379.89 6In Stock	Mfr. Part No. 3RH21221KB40 Mouser Part No 982-3RH21221KB40	Siemens	Contactors - Electromechanical COUPLING RELAY 2NO+2NC DC 24V SCREW	Datasheet	6In Stock	HK$1,379.89 HK$1,352.77 HK$1,336.90 HK$1,305.66 View Quote	Min.: 1 Mult.: 1	2 Form A (DPST-NO), 2 Form B (DPST-NC)	24 VDC	10 A	DC Type	690 VAC
Contactors - Electromechanical COUPLING RELAY 2NO+2NC DC 24V SCREW 3RH21221MB400KT0 Siemens 1: HK$1,238.01 4In Stock	Mfr. Part No. 3RH21221MB400KT0 Mouser Part No 982-3RH21221MB400KT0	Siemens	Contactors - Electromechanical COUPLING RELAY 2NO+2NC DC 24V SCREW	Datasheet	4In Stock	HK$1,238.01 HK$1,213.68 HK$1,205.55 HK$1,169.05 View Quote	Min.: 1 Mult.: 1	2 Form A (DPST-NO), 2 Form B (DPST-NC)	24 VDC	10 A	DC Type	690 VAC
Contactors - Electromechanical CONTACTOR RELAY 2NO+2NC AC 230V SPRING 3RH21222AP00 Siemens 1: HK$1,085.12 7In Stock	Mfr. Part No. 3RH21222AP00 Mouser Part No 982-3RH21222AP00	Siemens	Contactors - Electromechanical CONTACTOR RELAY 2NO+2NC AC 230V SPRING	Datasheet	7In Stock	HK$1,085.12 HK$1,062.76 HK$1,033.91 View Quote	Min.: 1 Mult.: 1	2 Form A (DPST-NO), 2 Form B (DPST-NC)	230 VAC	10 A	AC Type	690 VAC
Contactors - Electromechanical CONTACTOR RELAY 2NO+2NC DC 24V SPRING 3RH21222BB40 Siemens 1: HK$1,243.11 3In Stock 3Expected 30/11/2026	Mfr. Part No. 3RH21222BB40 Mouser Part No 982-3RH21222BB40	Siemens	Contactors - Electromechanical CONTACTOR RELAY 2NO+2NC DC 24V SPRING Learn More about Siemens 3rh2 contactor relays	Datasheet	3In Stock 3Expected 30/11/2026	HK$1,243.11 HK$1,128.44 HK$1,067.86 HK$1,056.02	Min.: 1 Mult.: 1	2 Form A (DPST-NO), 2 Form B (DPST-NC)	24 VDC	10 A	DC Type	690 VAC
Contactors - Electromechanical CONTACTOR RELAY 2NO+2NC DC 24V SPRING 3RH21222FB40 Siemens 1: HK$1,395.35 1In Stock	Mfr. Part No. 3RH21222FB40 Mouser Part No 982-3RH21222FB40	Siemens	Contactors - Electromechanical CONTACTOR RELAY 2NO+2NC DC 24V SPRING	Datasheet	1In Stock	HK$1,395.35 HK$1,383.18 HK$1,350.79 View Quote	Min.: 1 Mult.: 1	2 Form A (DPST-NO), 2 Form B (DPST-NC)	24 VDC	10 A	DC Type	690 VAC
Contactors - Electromechanical COUPLING RELAY 2NO+2NC DC 24V SPRING 3RH21222HB40 Siemens 1: HK$1,206.78 3In Stock	Mfr. Part No. 3RH21222HB40 Mouser Part No 982-3RH21222HB40	Siemens	Contactors - Electromechanical COUPLING RELAY 2NO+2NC DC 24V SPRING Learn More about Siemens 3rh2 contactor relays	Datasheet	3In Stock	HK$1,206.78 HK$1,080.60 HK$1,031.77 HK$996.26	Min.: 1 Mult.: 1	2 Form A (DPST-NO), 2 Form B (DPST-NC)	24 VDC	10 A	DC Type	690 VAC
Contactors - Electromechanical CONTACTOR RELAY S00 2NO+2NC 24VDC 3RH21222KB40 Siemens 1: HK$1,343.72 2In Stock	Mfr. Part No. 3RH21222KB40 Mouser Part No 982-3RH21222KB40	Siemens	Contactors - Electromechanical CONTACTOR RELAY S00 2NO+2NC 24VDC	Datasheet	2In Stock	HK$1,343.72 HK$1,204.48 HK$1,150.06 HK$1,110.44	Min.: 1 Mult.: 1	2 Form A (DPST-NO), 2 Form B (DPST-NC)	24 VDC	10 A	DC Type	690 VAC