What are Time Delay Relays ?
Time Delay Relays are electromechanical devices that delay the operation of a circuit based on a predetermined time interval. They are widely used in applications such as switching and control panels, production electronics assembly, and maintenance tasks. Important specifications for selection include Delay Time, which determines the timing accuracy; Contact Rating @ Voltage, which ensures the relay can handle the required load; and Relay Type, which affects the relay's operational characteristics. Validating lifecycle status and alternate-source options is essential for procurement teams to mitigate sourcing risks.
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| Part & Mfr | Circuit | Contact Rating @ Voltage | Delay Time | Function | Mounting Type | Relay Type | Termination Style | Timing Adjustment Method | Timing Initiate Method | Voltage | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Littelfuse Inc.
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SPDT (1 Form C) | 10A @ 120/240VAC | 1 Sec ~ 1023 Sec | One Shot | Socketable | Mechanical Relay | Plug In, 8 Pin (Octal) | DIP Switches | Input Voltage, Trigger Signal | 230VAC | |
Omron
|
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SPST-NO (1 Form A) | 5A @ 250VAC | 0.5 Sec ~ 120 Sec | Star Delta Controller | Socketable | Mechanical Relay | Plug In, 8 Pin (Octal) | Hand Dial | Input Voltage | 110VAC | |
Littelfuse Inc.
|
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DPDT (2 Form C) | 10A @ 120/240VAC | 1 Sec ~ 1023 Sec | Off-Delay | Socketable | Mechanical Relay | Plug In, 11 Pin (Octal) | DIP Switches | Input Voltage, Trigger Signal | 120VAC | |
TE Connectivity
|
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DPDT (2 Form C) | 10A @ 120VAC | 1 Sec ~ 30 Sec | On-Delay | Socketable | Mechanical Relay | Plug In, 8 Pin (Octal) | Hand Dial | Input Voltage | 120VAC/DC | |
Omron
|
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DPDT (2 Form C) | 5A @ 250VAC | 0.05 Sec ~ 300 Hrs | Programmable (Multi-Function) | Socketable | Mechanical Relay | Plug In, 8 Pin (Octal) | Hand Dial | - | 24VDC | |
Sensata
|
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SPST-NO (1 Form A) | 25A @ 280VAC | 0.1 Sec ~ 8.3 Sec | On-Delay | Chassis Mount | Solid State Relay | Screw Terminal, Quick Connect - 0.187" (4.7mm) | External Resistor | Input Voltage | 3.5 ~ 15VDC | |
Sensata
|
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SPST-NO (1 Form A) | 10A @ 280VAC | 1.6 Sec ~ 133 Sec | On-Delay | Chassis Mount | Solid State Relay | Screw Terminal, Quick Connect - 0.187" (4.7mm) | External Resistor | Input Voltage | 3.5 ~ 15VDC | |
TE Connectivity
|
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DPDT (2 Form C) | 5A @ 120VAC | 1 Sec ~ 30 Sec | Off-Delay | Socketable | Mechanical Relay | Plug In, 8 Pin (Octal) | Hand Dial | Input Voltage | 120VAC, 125VDC | |
Sensata
|
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SPST-NO (1 Form A) | 50A @ 280VAC | 1.6 Sec ~ 133 Sec | On-Delay | Chassis Mount | Solid State Relay | Screw Terminal, Quick Connect - 0.187" (4.7mm) | External Resistor | Input Voltage | 3.5 ~ 15VDC | |
TE Connectivity
|
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DPDT (2 Form C) | 5A @ 120VAC | 0.5 Sec ~ 15 Sec | Off-Delay | Socketable | Mechanical Relay | Plug In, 8 Pin (Octal) | Hand Dial | Input Voltage | 120VAC, 125VDC | |
TE Connectivity
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DPDT (2 Form C) | 10A @ 115VAC/28VDC | Fixed, 500 Sec | Interval | Chassis Mount | Mechanical Relay | PC Pin | - | Input Voltage | 20 ~ 30VDC | |
TE Connectivity
|
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DPDT (2 Form C) | 10A @ 240VAC | 0.1 Sec ~ 1 Sec | On-Delay | Panel Mount | Mechanical Relay | Screw Terminal | Hand Dial | Input Voltage | 120VAC | |
TE Connectivity
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DPDT (2 Form C) | 10A @ 240VAC | 1.5 Sec ~ 15 Sec | On-Delay | Panel Mount | Mechanical Relay | Screw Terminal | Hand Dial | Input Voltage | 120VAC | |
TE Connectivity
|
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DPDT (2 Form C) | 10A @ 240VAC | 5 Sec ~ 50 Sec | On-Delay | Panel Mount | Mechanical Relay | Screw Terminal | Hand Dial | Input Voltage | 120VAC | |
TE Connectivity
|
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DPDT (2 Form C) | 10A @ 240VAC | 20 Sec ~ 200 Sec | On-Delay | Panel Mount | Mechanical Relay | Screw Terminal | Hand Dial | Input Voltage | 120VAC | |
TE Connectivity
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DPDT (2 Form C) | 10A @ 240VAC | 20 Sec ~ 200 Sec | Off-Delay | Panel Mount | Mechanical Relay | Screw Terminal | Hand Dial | Input Voltage | 120VAC | |
TE Connectivity
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DPDT (2 Form C) | 10A @ 240VAC | 1.5 Sec ~ 15 Sec | Off-Delay | Panel Mount | Mechanical Relay | Screw Terminal | Hand Dial | Input Voltage | 240VAC | |
TE Connectivity
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DPDT (2 Form C) | 10A @ 240VAC | 0.1 Sec ~ 1 Sec | On-Delay | Panel Mount | Mechanical Relay | Screw Terminal | Hand Dial | Input Voltage | 125VDC | |
TE Connectivity
|
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DPDT (2 Form C) | 10A @ 240VAC | 1.5 Sec ~ 15 Sec | Off-Delay | Panel Mount | Mechanical Relay | Screw Terminal | Hand Dial | Input Voltage | 125VDC | |
TE Connectivity
|
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DPDT (2 Form C) | 10A @ 240VAC | 1 Sec ~ 300 Sec | Off-Delay | Panel Mount | Mechanical Relay | Screw Terminal | Hand Dial | Input Voltage | 125VDC | |
TE Connectivity
|
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DPDT (2 Form C) | 10A @ 240VAC | 1 Sec ~ 300 Sec | On-Delay | Panel Mount | Mechanical Relay | Screw Terminal | Hand Dial | Input Voltage | 125VDC | |
TE Connectivity
|
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DPDT (2 Form C) | 10A @ 240VAC | 5 Sec ~ 50 Sec | On-Delay | Panel Mount | Mechanical Relay | Screw Terminal | Hand Dial | Input Voltage | 125VDC | |
TE Connectivity
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DPDT (2 Form C) | 10A @ 240VAC | 1 Min ~ 10 Min | Off-Delay | Panel Mount | Mechanical Relay | Screw Terminal | Hand Dial | Input Voltage | 120VAC | |
TE Connectivity
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DPDT (2 Form C) | 10A @ 240VAC | 3 Min ~ 30 Min | Off-Delay | Panel Mount | Mechanical Relay | Screw Terminal | Hand Dial | Input Voltage | 120VAC | |
TE Connectivity
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DPDT (2 Form C) | 10A @ 240VAC | 1 Min ~ 10 Min | On-Delay | Panel Mount | Mechanical Relay | Screw Terminal | Hand Dial | Input Voltage | 125VDC | |
TE Connectivity
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DPDT (2 Form C) | 10A @ 240VAC | 1.5 Sec ~ 15 Sec | On-Delay | Panel Mount | Mechanical Relay | Screw Terminal | Hand Dial | Input Voltage | 120VAC | |
Omron
|
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SPST-NO (1 Form A) x 4 | 3A @ 250VAC | 1 Min ~ 1 Year | Programmable (Multi-Function) | DIN Rail | Mechanical Relay | Screw Terminal | Up/Down Digit Keys | Input Voltage | 24VDC | |
TE Connectivity
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DPDT (2 Form C) | 10A @ 240VAC | 3 Min ~ 30 Min | On-Delay | Panel Mount | Mechanical Relay | Screw Terminal | Hand Dial | Input Voltage | 120VAC | |
TE Connectivity
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DPDT (2 Form C) | 10A @ 240VAC | 3 Min ~ 30 Min | On-Delay | Panel Mount | Mechanical Relay | Screw Terminal | Hand Dial | Input Voltage | 125VDC | |
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DPDT (2 Form C) | 10A @ 240VAC | 1.5 Sec ~ 15 Sec | On-Delay | Panel Mount | Mechanical Relay | Screw Terminal | Hand Dial | Input Voltage | 120VAC | |
TE Connectivity
|
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4PDT (4 Form C) | 10A @ 240VAC | 0.7 Sec ~ 7 Sec | On-Delay | Panel Mount | Mechanical Relay | Screw Terminal | Hand Dial | Input Voltage | 120VAC | |
TE Connectivity
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4PDT (4 Form C) | 10A @ 240VAC | 2 Sec ~ 20 Sec | On-Delay | Panel Mount | Mechanical Relay | Screw Terminal | Hand Dial | Input Voltage | 120VAC | |
TE Connectivity
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4PDT (4 Form C) | 10A @ 240VAC | 0.2 Sec ~ 2 Sec | On-Delay | Panel Mount | Mechanical Relay | Screw Terminal | Hand Dial | Input Voltage | 125VDC | |
TE Connectivity
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4PDT (4 Form C) | 10A @ 240VAC | 10 Sec ~ 100 Sec | On-Delay | Panel Mount | Mechanical Relay | Screw Terminal | Hand Dial | Input Voltage | 125VDC | |
TE Connectivity
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DPDT (2 Form C) | 10A @ 120VAC | 0.1 Sec ~ 10 Hrs | Programmable (Multi-Function) | DIN Rail | Mechanical Relay | Screw Terminal | Screwdriver Slot | Input Voltage | 125VDC | |
c3controls
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SPDT (1 Form C) | 5A @ 250VAC/24VDC | 1 Sec ~ 3 Hrs | Programmable (Multi-Function) | DIN Rail | Mechanical Relay | Screw Terminal | Screwdriver Slot | Input Voltage, Trigger Signal | 20 ~ 240VAC, 12 ~ 240VDC | |
Autonics
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DPDT (2 Form C) | 3A @ 250VAC | Fixed, 10 Sec | On-Delay | Panel Mount | - | Plug In, 8 Pin (Octal) | Hand Dial | - | 220VAC | |
Autonics
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DPDT (2 Form C) | 3A @ 250VAC | Fixed, 3 Hrs | On-Delay | Panel Mount | - | Plug In, 8 Pin (Octal) | Hand Dial | - | 110VAC | |
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Autonics
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DPDT (2 Form C) | 3A @ 250VAC | Fixed, 30 Sec | On-Delay | Panel Mount | - | Plug In, 8 Pin (Octal) | Hand Dial | - | 24VDC | |
Autonics
|
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SPST-NO (1 Form A), SPDT (1 Form C) | 3A @ 250VAC | Fixed, 10 Sec | On-Delay | Panel Mount | - | Plug In, 8 Pin (Octal) | Hand Dial | - | 110/220VAC | |
Autonics
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DPDT (2 Form C) | 3A @ 250VAC | Fixed, 3 Min | On-Delay | Panel Mount | - | Plug In, 8 Pin (Octal) | Hand Dial | - | 110VAC | |
Autonics
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DPDT (2 Form C) | 3A @ 250VAC | Fixed, 30 Sec | On-Delay | Panel Mount | - | Plug In, 8 Pin (Octal) | Hand Dial | - | 110VAC | |
Autonics
|
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SPST-NO (1 Form A), SPDT (1 Form C) | 3A @ 250VAC | Fixed, 24 Hrs | On-Delay | Panel Mount | - | Plug In, 8 Pin (Octal) | Hand Dial | - | 110/220VAC | |
Autonics
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DPDT (2 Form C) | 3A @ 250VAC | Fixed, 60 Min | On-Delay | Panel Mount | - | Plug In, 8 Pin (Octal) | Hand Dial | - | 220VAC | |
Autonics
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DPDT (2 Form C) | 3A @ 250VAC | Fixed, 6 Hrs | On-Delay | Panel Mount | - | Plug In, 8 Pin (Octal) | Hand Dial | - | 110VAC | |
Autonics
|
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DPDT (2 Form C) | 3A @ 250VAC | Fixed, 6 Min | On-Delay | Panel Mount | - | Plug In, 8 Pin (Octal) | Hand Dial | - | 110VAC | |
Autonics
|
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SPST-NO (1 Form A), SPDT (1 Form C) | 3A @ 250VAC | Fixed, 10 Min | On-Delay | Panel Mount | - | Plug In, 8 Pin (Octal) | Hand Dial | - | 110/220VAC | |
Autonics
|
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SPST-NO (1 Form A), SPDT (1 Form C) | 3A @ 250VAC | Fixed, 60 Sec | On-Delay | Panel Mount | - | Plug In, 8 Pin (Octal) | Hand Dial | - | 110/220VAC |
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