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Relays and contactors are devices used to switch or interrupt the flow of electrical current in one or more circuits, using a control signal which is galvanically isolated from the circuit(s) being controlled, with various sub-groups demarcated along lines of device construction or intended application. Traditionally and still-commonly based on the use of an electromagnet to open or close a set of mechanical switch contacts, newer devices using solid-state technologies are also widely available, with both types having characteristics to recommend them under different application conditions.
| Select products | Mfr | Description | Package | Supplier Device Package | Mounting Type | Series | Operating Temperature |
|---|---|---|---|---|---|---|---|
![]() 2986096 $419.15 | Phoenix Contact | PSR-SCP- 24DC/TS/SDOR4/4X1 | Box | DIN Rail | PSR-SCP | -20°C ~ 55°C | |
![]() 2986106 $429.33 | Phoenix Contact | PSR-SPP- 24DC/TS/SDOR4/4X1 | Bulk | DIN Rail | PSR | -20°C ~ 55°C | |
![]() 2986575 $132.65 | Phoenix Contact | RELAY SAFETY DPST 5A 24V | Bulk | DIN Rail | - | -20°C ~ 55°C | |
![]() 2986588 $132.65 | Phoenix Contact | RELAY SAFETY DPST 5A 24V | Bulk | DIN Rail | PSR | -20°C ~ 55°C | |
![]() 2986890000 $108.32 | Weidmüller | PSSRN K 24VDC 1Z K 240VAC 20A | Bulk | - | Chassis Mount | PSSRN | -40°C ~ 80°C |
![]() 2986900000 $143.75 | Weidmüller | PSSRN K 24VDC 1Z K 600VAC 30A | Bulk | - | Chassis Mount | PSSRN | -40°C ~ 80°C |
![]() 2986910000 $261.53 | Weidmüller | PSSRN K 24VDC 3Z K 600VAC 20A | Bulk | - | Chassis Mount | PSSRN | -40°C ~ 80°C |
![]() 2986920000 $295.77 | Weidmüller | PSSRN S 24VDC 1M K 600VAC 30A T | Bulk | - | Chassis Mount | PSSRN | -25°C ~ 70°C |

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