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 | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Selec Controls USA Inc.
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DPDT (2 Form C) | 5A @ 250VAC/24VDC | 0 Sec ~ 30 Hrs | Interval, On-Delay | Panel Mount | Mechanical Relay | Screw Terminal | Hand Dial | Input Voltage | 20 ~ 240VAC, 12 ~ 240VDC | |
Selec Controls USA Inc.
|
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DPDT (2 Form C) | 5A @ 250VAC/24VDC | 0 Sec ~ 10 Hrs | Interval, On-Delay | Panel Mount | Mechanical Relay | Screw Terminal | Hand Dial | Input Voltage | 20 ~ 240VAC, 12 ~ 240VDC | |
Selec Controls USA Inc.
|
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DPDT (2 Form C) | 5A @ 250VAC/24VDC | 0 Sec ~ 10 Hrs | Interval, On-Delay | Socketable | Mechanical Relay | Plug In, 8 Pin (Octal) | Hand Dial | Input Voltage | 20 ~ 240VAC, 12 ~ 240VDC | |
Selec Controls USA Inc.
|
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DPDT (2 Form C) | 5A @ 250VAC/24VDC | 0 Sec ~ 10 Hrs | Repeat Cycle | DIN Rail | Mechanical Relay | Screw Terminal | Screwdriver Slot | Input Voltage | 20 ~ 240VAC, 12 ~ 240VDC | |
Autonics
|
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SPDT (1 Form C), DPDT (2 Form C) | 5A @ 250VAC | 0.05 Sec ~ 100 Hrs | Programmable (Multi-Function) | Panel Mount | - | Plug In, 8 Pin (Octal) | Hand Dial | - | 24VAC/DC | |
Autonics
|
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DPDT (2 Form C) | 5A @ 250VAC | 0.05 Sec ~ 100 Hrs | Programmable (Multi-Function) | Panel Mount | - | Plug In, 11 Pin (Octal) | Hand Dial | - | 12VDC | |
Autonics
|
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SPDT (1 Form C) | 5A @ 250VAC | 0.05 Sec ~ 100 Hrs | Programmable (Multi-Function) | Panel Mount | - | Plug In, 11 Pin (Octal) | Hand Dial | - | 24VAC/DC | |
Autonics
|
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DPDT (2 Form C) | 5A @ 250VAC | 0.05 Sec ~ 100 Hrs | Programmable (Multi-Function) | Panel Mount | - | Plug In, 11 Pin (Octal) | Hand Dial | - | 24VAC/DC | |
Selec Controls USA Inc.
|
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SPDT (1 Form C) | 8A @ 250VAC | 0 Sec ~ 999 Hrs | Programmable (Multi-Function) | DIN Rail | Mechanical Relay | Screw Terminal | Up/Down Digit Keys | Input Voltage | 20 ~ 240VAC/DC | |
Autonics
|
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SPST-NO (1 Form A) | 5A @ 250VAC | 0.5 Sec ~ 100 Sec | Star Delta Controller | Panel Mount | - | Plug In, 8 Pin (Octal) | Hand Dial | - | 100 ~ 240VAC, 24 ~ 240VDC | |
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TE Connectivity
|
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- | - | - | - | - | - | - | - | - | - | |
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Omron
|
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- | - | - | - | - | - | - | - | - | - | |
Autonics
|
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DPDT (2 Form C) | 3A @ 250VAC | 0.05 Sec ~ 10 Sec | Off-Delay | Panel Mount | - | Plug In, 8 Pin (Octal) | Hand Dial | - | 24VAC/DC | |
Autonics
|
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DPDT (2 Form C) | 3A @ 250VAC | 0.05 Sec ~ 10 Min | Off-Delay | Panel Mount | - | Plug In, 8 Pin (Octal) | Hand Dial | - | 200 ~ 240VAC | |
Autonics
|
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DPDT (2 Form C) | 3A @ 250VAC | 0.05 Sec ~ 10 Sec | Off-Delay | Panel Mount | - | Plug In, 8 Pin (Octal) | Hand Dial | - | 100 ~ 120VAC | |
Autonics
|
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DPDT (2 Form C) | 3A @ 250VAC | 0.05 Sec ~ 10 Min | Off-Delay | Panel Mount | - | Plug In, 8 Pin (Octal) | Hand Dial | - | 24VAC/DC | |
Autonics
|
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DPDT (2 Form C) | 3A @ 250VAC | 0.05 Sec ~ 10 Sec | Off-Delay | Panel Mount | - | Plug In, 8 Pin (Octal) | Hand Dial | - | 100 ~ 110VDC | |
Littelfuse Inc.
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- | 2A @ 24VDC | - | - | Panel Mount | - | Plug In | - | - | 24VAC/DC | |
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Mueller Electric Co
|
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SPDT (1 Form C) | 8A @ 250VAC | 0 Sec ~ 9.59 Hrs | Programmable (Multi-Function) | DIN Rail | Mechanical Relay | Screw Terminal | Up/Down Digit Keys | Input Voltage | 20 ~ 240VAC | |
|
Littelfuse Inc.
|
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SPST-NO (1 Form A) | - | Fixed, 75 FPM | Repeat Cycle | Chassis Mount | Solid State Relay | Quick Connect - 0.250" (6.3mm) | Fixed | Input Voltage | 12VDC | |
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Littelfuse Inc.
|
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SPDT (1 Form C) | 30A @ 125/240VAC | 0.1 Min ~ 10 Min | Off-Delay | Chassis Mount | Mechanical Relay | Quick Connect - 0.250" (6.3mm) | Screwdriver Slot | Input Voltage, Trigger Signal | 24VAC | |
|
Littelfuse Inc.
|
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SPST-NO (1 Form A) | - | Fixed, 30 FPM | Repeat Cycle | Chassis Mount | Solid State Relay | Quick Connect - 0.250" (6.3mm) | Fixed | Input Voltage | 230VAC | |
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Littelfuse Inc.
|
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SPDT (1 Form C) | 30A @ 125/240VAC | 1 Sec ~ 100 Sec | Repeat Cycle | Chassis Mount | Mechanical Relay | Quick Connect - 0.250" (6.3mm) | Screwdriver Slot | Input Voltage, Trigger Signal | 12VDC | |
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Littelfuse Inc.
|
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SPDT (1 Form C) | 30A @ 125/240VAC | 0.1 Sec ~ 100 Sec | Repeat Cycle | Chassis Mount | Mechanical Relay | Quick Connect - 0.250" (6.3mm) | External Resistor | Input Voltage, Trigger Signal | 120VAC | |
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Omron
|
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- | - | - | - | - | - | - | - | - | - | |
Carlo Gavazzi
|
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SPDT (1 Form C) | 8A @ 250VAC | 0.1 Sec ~ 100 Hrs | On-Delay | Socketable | Mechanical Relay | Plug In, 11 Pin (Octal) | Screwdriver Slot | Input Voltage | 24 ~ 240VAC, 24VDC | |
Mueller Electric Co
|
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DPDT (2 Form C) | 10A @ 250VAC/30VDC | 0.3 Sec ~ 3 Sec | Interval, On-Delay | Socketable | Mechanical Relay | Plug In, 8 Pin (Octal) | Hand Dial | Input Voltage | 120VAC | |
Mueller Electric Co
|
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DPDT (2 Form C) | 10A @ 250VAC/30VDC | 0.3 Sec ~ 3 Sec | Interval, On-Delay | Socketable | Mechanical Relay | Plug In, 8 Pin (Octal) | Hand Dial | Input Voltage | 240VAC | |
Panasonic Electronic Components
|
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SPST-NO (1 Form A) | 0.1A @ 30VDC | 0.01 Sec ~ 9999 Hrs | Programmable (Multi-Function) | Panel Mount | Solid State Relay | Screw Terminal | Up/Down Digit Keys | Input Voltage | 100 ~ 240VAC | |
Littelfuse Inc.
|
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SPDT (1 Form C) | 30A @ 125/240VAC | Fixed, 2 Hrs | Off-Delay | Chassis Mount | Mechanical Relay | Quick Connect - 0.250" (6.3mm) | Fixed | Input Voltage | 12 ~ 48VDC | |
Siemens
|
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SPST-NO (1 Form A) | 3A @ 250VAC | 3 Sec ~ 60 Sec | Star Delta Controller | DIN Rail | Mechanical Relay | Screw Terminal | Screwdriver Slot | - | 12 ~ 240VAC/DC | |
Siemens
|
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SPDT (1 Form C) | 3A @ 250VAC | 0.05 Sec ~ 100 Hrs | On-Delay | DIN Rail | Mechanical Relay | Screw Terminal | Screwdriver Slot | - | 12 ~ 240VAC/DC | |
Siemens
|
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SPST-NO (1 Form A) | 3A @ 250VAC | 1 Sec ~ 20 Sec | Star Delta Controller | DIN Rail | Mechanical Relay | Screw Terminal | Screwdriver Slot | - | 12 ~ 240VAC/DC | |
Omron
|
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DPDT (2 Form C) | 5A @ 250VAC | 0.1 Sec ~ 1 Sec | Off-Delay, On-Delay | Socketable | Mechanical Relay | Plug In | Hand Dial | Input Voltage | 24VDC | |
Siemens
|
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DPDT (2 Form C) | 3A @ 250VAC | 0.05 Sec ~ 100 Hrs | On-Delay | DIN Rail | Mechanical Relay | Screw Terminal | Screwdriver Slot | - | 24VAC/DC | |
TE Connectivity
|
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DPDT (2 Form C) | 10A @ 240VAC | 0.05 Sec ~ 2 Sec | On-Delay | Panel Mount | Mechanical Relay | Screw Terminal | Hand Dial | Input Voltage | 125VDC | |
|
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DPDT (2 Form C) | 5A @ 250VAC | 0.1 Sec ~ 600 Hrs | Programmable (Multi-Function) | Socketable | Mechanical Relay | Plug In, 8 Pin (Octal) | Hand Dial | - | 100 ~ 240VAC, 100 ~ 125VDC | ||
|
Carlo Gavazzi
|
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SPDT (1 Form C) | 5A @ 250VAC | 0.1 Sec ~ 600 Sec | Star Delta Controller | DIN Rail | Mechanical Relay | Screw Terminal | Screwdriver Slot | Input Voltage | 24 ~ 240VAC/DC | |
|
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DPDT (2 Form C) | 5A @ 250VAC | 0.1 Sec ~ 600 Hrs | Programmable (Multi-Function) | Socketable | Mechanical Relay | Plug In, 11 Pin (Octal) | Hand Dial | - | 24 ~ 48VAC, 12 ~ 48VDC | ||
|
Carlo Gavazzi
|
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SPDT (1 Form C) | 8A @ 250VAC | 0.1 Sec ~ 600 Sec | Off-Delay | DIN Rail | Mechanical Relay | Screw Terminal | Screwdriver Slot | Input Voltage | 24 ~ 240VAC/DC | |
Littelfuse Inc.
|
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SPDT (1 Form C) | 10A @ 120/240VAC | 1 Sec ~ 1023 Sec | Off-Delay, On-Delay | Socketable | Mechanical Relay | Plug In, 8 Pin (Octal) | DIP Switches | Input Voltage, Trigger Signal | 230VAC | |
Mueller Electric Co
|
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SPDT (1 Form C) | 10A @ 250VAC/30VDC | 1 Sec ~ 10 Hrs | On-Delay | Socketable | Mechanical Relay | Plug In, 8 Pin (Octal) | Hand Dial | Input Voltage | 24 ~ 240VAC, 24VDC | |
Mueller Electric Co
|
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DPDT (2 Form C) | 10A @ 250VAC/30VDC | 5 Sec ~ 50 Hrs | Interval, On-Delay | Socketable | Mechanical Relay | Plug In, 8 Pin (Octal) | Hand Dial | Input Voltage | 24 ~ 240VAC, 24VDC | |
Mueller Electric Co
|
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DPDT (2 Form C) | 10A @ 250VAC/30VDC | 5 Sec ~ 50 Hrs | Programmable (Multi-Function) | Socketable | Mechanical Relay | Plug In, 11 Pin (Octal) | Hand Dial | Input Voltage | 24VDC | |
Mueller Electric Co
|
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DPDT (2 Form C) | 7A @ 120VAC/240VAC | 1 Sec ~ 100 Min | On-Delay | Socketable | Solid State Relay | Plug In, 8 Pin (Octal) | Hand Dial | Input Voltage | 24 ~ 240VAC, 24VDC | |
Mueller Electric Co
|
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DPDT (2 Form C) | 7A @ 120VAC/240VAC | 0.3 Sec ~ 30 Min | On-Delay | Socketable | Solid State Relay | Plug In, 8 Pin (Octal) | Hand Dial | Input Voltage | 24 ~ 240VAC, 24VDC | |
|
Omron
|
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Price and Stock
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- | - | - | - | - | - | - | - | - | - | |
Mueller Electric Co
|
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DPDT (2 Form C) | 10A @ 250VAC | Fixed, 5 Sec, 0.5 Min ~ 5 Min | Off-Delay | Socketable | Mechanical Relay | Plug In, 8 Pin (Octal) | Fixed | Input Voltage | 24 ~ 240VAC, 24VDC | |
Mueller Electric Co
|
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DPDT (2 Form C) | 10A @ 250VAC/24VDC | 0.3 Sec ~ 30 Sec | On-Delay | Socketable | Mechanical Relay | Plug In, 8 Pin (Octal) | Hand Dial | Input Voltage | 110 ~ 120VAC/DC | |
Mueller Electric Co
|
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Price on request
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DPDT (2 Form C) | 10A @ 250VAC/24VDC | 0.1 Sec ~ 10 Sec | On-Delay | Socketable | Mechanical Relay | Plug In, 8 Pin (Octal) | Hand Dial | Input Voltage | 110 ~ 120VAC/DC |
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