Relay Interfaces

Relay interfaces are devices for housing relays. They're a convenient way to organise and operate relays and they can also improve relay performance.

Every relay contains contacts, which are pieces of electrically conductive material, usually metal. When a pair of contacts touch, they pass an electrical current, making the switch ’closed'. When the contacts separate, the switch is ’open' and the current stops flowing. As well as housing relays, relay interfaces can be used to operate a relay's contacts.

How do relay interfaces work?

Relay interfaces can be convenient ways to operate relays. Relays are inserted into the slot or slots in the interface and they stay snugly mounted there until they're ejected. The relay interfaces commonly contain switches that make the contacts in each relay ’closed’ (on) or ’open’ (off).

Relay interfaces can also contain protection circuits that expand the range of relay input voltage.

Types of relay interfaces

Each relay interfaces is compatible with a specific relay, or several different relays. The relays may be stacked pyramidally or slotted in side by side. Relay interfaces also differentiated by their voltages, which can be AC, DC or AC/DC.


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Description Price Accessory Type For Use With Series Voltage Current Rating
RS庫存編號 111-3084
製造零件編號P2RVC-8-I-5-1
BrandOmron
HK$419.78
單位
- G2RV-SR500-AP Slim I/O Relay - - -
RS庫存編號 776-1535
製造零件編號093.60
BrandFinder
HK$13.95
單位
Separator 39 Series 93 Series - -
RS庫存編號 494-0700
製造零件編號PTMG0024 2-1415036-1
HK$34.06
單位
LED Module RT Series - 24V dc -
RS庫存編號 192-1129
製造零件編號1SNA645071R0000
BrandABB
HK$168.72
單位
Interface Relay - - 24V dc -
RS庫存編號 111-3086
製造零件編號P2RVC-8-I-7-1
BrandOmron
HK$649.13
單位
- G2RV-SR700-AP Slim I/O Relay - - -
RS庫存編號 776-1686
製造零件編號093.01
BrandFinder
HK$10.97
單位
Separator 93 Series 93 Series - -
全新
RS庫存編號 211-3671
製造零件編號3RF2950-0KA13
BrandSiemens
HK$3,519.58
單位
Power Controller 3RF2 3RF29 24V ac/dc -
RS庫存編號 666-8015
製造零件編號99.02.9.024.99
BrandFinder
HK$45.76
單位
- - 99 Series 24V dc -
RS庫存編號 472-9171
製造零件編號3RF2950-0HA13
BrandSiemens
HK$2,576.75
單位
Power Controller 3RF29 - 230V ac 50A
RS庫存編號 111-3083
製造零件編號P2RVC-8-O-5-1
BrandOmron
HK$419.78
單位
- G2RV-SR500 Slim I/O Relay, G2RV-SR501 Slim I/O Relay, G3RV-SR500 Slim I/O Relay - - -
RS庫存編號 618-8881
製造零件編號2966236
HK$36.79
毎包:5 個
Bag(s)
- - - - 6A
全新
RS庫存編號 210-4416
製造零件編號3RF2950-0GA16
BrandSiemens
HK$1,650.78
單位
- 3RF29 3RF2 600V -
RS庫存編號 508-0253
製造零件編號2833738
HK$85.91
單位
Plug In Module PR1 Series, PR2 Series LV-120-230AC/110VDC 110V dc -
RS庫存編號 203-8689
製造零件編號LZS:PTMG0730
BrandSiemens
HK$45.79
單位
LED Module Sirius LZS LZS 110-230V -
全新
RS庫存編號 210-4415
製造零件編號3RF2920-0HA16
BrandSiemens
HK$3,031.61
單位
- 3RF29 3RF2 24V -
RS庫存編號 776-1626
製造零件編號072.503
BrandFinder
HK$19.41
單位
Separator Finder 500 mm Electrodes 72 Series - -
全新
RS庫存編號 210-4414
製造零件編號3RF2920-0GA13
BrandSiemens
HK$1,308.16
單位
- 3RF29 3RF2 230V -
全新
RS庫存編號 210-4412
製造零件編號3RF2906-0FA08
BrandSiemens
HK$980.08
單位
- 3RF29 3RF2 24V dc -