Non-Latching Relays

Relays are switches that are operated by electrical impulses. The two major types of relays, latchingand non-latching relays, have this in common, but they have other differences that make each more suitable for different applications. Non-latching relays are particularly suited for push-button applications.

How do non-latching relays work?

A latching relay stays where it was when the circuit was last powered. A non-latching relay, by contrast, goes back to its normal position when the power is removed from the circuit. This difference may seem small but it's very significant in terms of the applications that a non-latching relay is suitable for. It makes non-latching relays well suited to push-button applications like keyboardsand micro-controller input buttons. They come as plug-in or PCB-mount designs.

What are non-latching relays used for?

Non-latching relays have a wide range of applications. They are used in aerospace technology, agricultural equipment, air conditioner, engines, forklifts, household appliances, industrial machinery, medical equipment and telecommunications equipment.


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Description Price Coil Voltage Contact Configuration Mounting Type Switching Current Maximum Switching Current AC Maximum Switching Current DC Terminal Type Coil Resistance Series Maximum Switching Voltage AC Maximum Switching Voltage DC Application Length Depth
New
RS Stock No. 179-9437
Mfr. Part No.RPM12BD
SGD12.60
Each
units
24 V dc SPDT - 15 A 15 A 15 A - - RPM 277V 28V - 14mm 40mm
New
RS Stock No. 179-7311
Mfr. Part No.RPM12JD
SGD10.53
Each
units
12 V dc SPDT - 15 A @ 250 V ac, 15 A @ 28 V dc 15 A 15 A - 115 Ω RPM 250V ac 28V dc Power 14mm 43mm
New
RS Stock No. 179-7320
Mfr. Part No.RPM42JD
SGD38.33
Each
units
12 V dc 4PDT - 15 A @ 250 V ac, 15 A @ 28 V dc 15 A 15 A - 75.8 Ω RPM 250V ac 28V dc Power 41mm 47mm
New
RS Stock No. 179-7307
Mfr. Part No.RPF2BJD
SGD18.76
Each
units
12 V dc DPDT DIN Rail, Panel Mount 25 A @ 28 V dc, 30 A @ 250 V ac 30 A 25 A - 86 Ω RPF 250V ac 28V dc Power 33.7mm 30mm
New
RS Stock No. 179-7305
Mfr. Part No.RPF2AJD
SGD16.84
Each
units
12 V dc DPNO DIN Rail, Panel Mount 25 A @ 28 V dc, 30 A @ 250 V ac 30 A 25 A - 86 Ω RPF 250V ac 28V dc Power 33.7mm 30mm
New
RS Stock No. 179-7319
Mfr. Part No.RPM32BD
SGD21.29
Each
units
24 V dc 3CO - 15 A @ 250 V ac, 15 A @ 28 V dc 15 A 15 A - 320 Ω RPM 250V ac 28V dc Power 31mm 47mm
New
RS Stock No. 179-7309
Mfr. Part No.RPM11P7
SGD13.65
Each
units
230 V ac SPDT - 15 A @ 250 V ac, 15 A @ 28 V dc 15 A 15 A - 16.27 kΩ RPM 250V ac 28V dc Power 14mm 43mm
New
RS Stock No. 179-7318
Mfr. Part No.RPM23P7
SGD24.52
Each
units
230 V ac DPDT - 15 A @ 250 V ac, 15 A @ 28 V dc 15 A 15 A - - RPM 250V ac 28V dc Power 21mm 39mm
New
RS Stock No. 179-7308
Mfr. Part No.RPM11BD
SGD9.54
Each
units
24 V dc SPDT - 15 A @ 250 V ac, 15 A @ 28 V dc 15 A 15 A - 450 Ω RPM 250V ac 28V dc Power 14mm 43mm
New
RS Stock No. 179-7312
Mfr. Part No.RPM12P7
SGD15.30
Each
units
230 V ac SPDT - 15 A @ 250 V ac, 15 A @ 28 V dc 15 A 15 A - 16.27 kΩ RPM 250V ac 28V dc Power 14mm 43mm
New
RS Stock No. 179-7316
Mfr. Part No.RPM22P7
SGD28.30
Each
units
230 V ac DPDT - 15 A @ 250 V ac, 15 A @ 28 V dc 15 A 15 A - 16.27 kΩ RPM 250V ac 28V dc Power 21mm 47mm
New
RS Stock No. 179-7310
Mfr. Part No.RPM12B7
SGD10.67
Each
units
24 V ac SPDT - 15 A @ 250 V ac, 15 A @ 28 V dc 15 A 15 A - 177 Ω RPM 250V ac 28V dc Power 14mm 43mm
New
RS Stock No. 179-7314
Mfr. Part No.RPM21ED
SGD18.15
Each
units
48 V dc DPDT - 15 A @ 250 V ac, 15 A @ 28 V dc 15 A 15 A - 2.56 kΩ RPM 250V ac 28V dc Power 31mm 47mm
New
RS Stock No. 179-9441
Mfr. Part No.RPM42P7
SGD29.90
Each
units
230 V ac 4PDT - 15 A 15 A 15 A - - RPM 277V 28V - 41mm 39mm
New
RS Stock No. 179-7306
Mfr. Part No.RPF2BB7
SGD18.76
Each
units
24 V ac DPDT DIN Rail, Panel Mount 25 A @ 28 V dc, 30 A @ 250 V ac 30 A 25 A - 170 Ω RPF 250V ac 28V dc Power 33.7mm 30mm
New
RS Stock No. 179-7315
Mfr. Part No.RPM21P7
SGD18.55
Each
units
230 V ac DPDT - 15 A @ 250 V ac, 15 A @ 28 V dc 15 A 15 A - 16.27 kΩ RPM 250V ac 28V dc Power 31mm 47mm
New
RS Stock No. 179-9443
Mfr. Part No.RSL1PRBU
SGD26.42
Each
units
24 V ac/dc SPDT - 6 A 6 A 6 A Cage Clamp 3.39 kΩ RSL 277V 24V - 6.2mm 78.7mm
New
RS Stock No. 179-7313
Mfr. Part No.RPM21BD
SGD18.24
Each
units
24 V dc DPDT - 15 A @ 250 V ac, 15 A @ 28 V dc 15 A 15 A - 640 Ω RPM 250V ac 28V dc Power 31mm 47mm
New
RS Stock No. 179-7324
Mfr. Part No.RSL1AB4JD
SGD17.20
Each
units
12 V dc SPDT - 10 mA - - - 848 Ω RSL 277V ac - - 5mm 15mm
New
RS Stock No. 179-9439
Mfr. Part No.RPM22JD
SGD28.68
Each
units
12 V dc DPDT - 15 A 15 A 15 A - - RPM 277V 28V - 21mm 39mm