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 | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Autonics
|
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SPDT (1 Form C) | 5A @ 250VAC | 0.001 Sec ~ 9999 Hrs | Programmable (Multi-Function) | Panel Mount | - | Plug In, 8 Pin (Octal) | Up/Down Digit Keys | - | 24 ~ 240VAC/DC | |
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Littelfuse Inc.
|
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- | - | - | Repeat Cycle | Chassis Mount | Solid State Relay | Quick Connect - 0.250" (6.3mm) | Fixed | Input Voltage, Trigger Signal | 120VAC | |
NTE Electronics
|
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DPDT (2 Form C) | 10A @ 120VAC/30VDC | - | On-Delay | - | Mechanical Relay | Plug In, 8 Pin (Octal) | - | - | 120VAC | |
NTE Electronics
|
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DPDT (2 Form C) | 10A @ 120VAC/30VDC | - | On-Delay | - | Mechanical Relay | Plug In, 8 Pin (Octal) | - | - | 120VAC | |
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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 | 24VDC | |
NTE Electronics
|
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DPDT (2 Form C) | 10A @ 120VAC/30VDC | - | Off-Delay | - | Mechanical Relay | Plug In, 11 Pin (Octal) | - | - | 120VAC | |
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Littelfuse Inc.
|
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DPDT (2 Form C) | 10A @ 120/240VAC | 10 Sec ~ 10230 Sec | On-Delay | Socketable | Mechanical Relay | Plug In, 8 Pin (Octal) | DIP Switches | Input Voltage | 120VAC | |
Panasonic Electronic Components
|
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SPDT (1 Form C) | 5A @ 250VAC | 0.01 Sec ~ 9999 Hrs | Programmable (Multi-Function) | Socketable | Mechanical Relay | Plug In, 11 Pin (Octal) | Up/Down Digit Keys | Input Voltage | 12 ~ 24VDC | |
Macromatic Industrial Controls
|
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DPDT (2 Form C) | 10A @ 240VAC/30VDC | 0.05 Sec ~ 999 Hrs | Programmable (Multi-Function) | Socketable | Mechanical Relay | Plug In, 11 Pin (Octal) | Thumbwheel Switches | Input Voltage | 120VAC/DC | |
Aim Dynamics
|
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DPDT (2 Form C) | 8A @ 250VAC | 0.05 Sec ~ 100 Hrs | Programmable (Multi-Function) | DIN Rail | Mechanical Relay | Screw Terminal | Screwdriver Slot | Input Voltage, Trigger Signal | 12 ~ 240VAC/DC | |
NTE Electronics
|
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DPDT (2 Form C) | 10A @ 240VAC/30VDC | - | Interval | - | Mechanical Relay | Plug In, 8 Pin (Octal) | - | - | 120VAC | |
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Littelfuse Inc.
|
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DPDT (2 Form C) | 10A @ 120/240VAC | 1 Sec ~ 1023 Sec | On-Delay | Socketable | Mechanical Relay | Plug In, 8 Pin (Octal) | DIP Switches | Input Voltage | 24VAC | |
NTE Electronics
|
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DPDT (2 Form C) | 10A @ 120VAC/30VDC | - | Repeat Cycle | - | Mechanical Relay | Plug In, 8 Pin (Octal) | - | - | 120VAC | |
NTE Electronics
|
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DPDT (2 Form C) | 10A @ 240VAC/30VDC | - | Repeat Cycle | - | Mechanical Relay | Plug In, 8 Pin (Octal) | - | - | 24VAC | |
|
Aim Dynamics
|
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SPDT (1 Form C) | 8A @ 250VAC/24VDC | 0.05 Sec ~ 100 Hrs | Programmable (Multi-Function) | DIN Rail | Mechanical Relay | Screw Terminal | Screwdriver Slot | Input Voltage, Trigger Signal | 12 ~ 240VAC/DC | |
NTE Electronics
|
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DPDT (2 Form C) | 10A @ 240VAC/30VDC | - | Repeat Cycle | - | Mechanical Relay | Plug In, 8 Pin (Octal) | - | - | 12VAC | |
Autonics
|
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SPST-NO (1 Form A) | 15A @ 250VAC | Weekly/Yearly | Programmable (Multi-Function) | DIN Rail, Panel Mount | Mechanical Relay | Screw Terminal | Up/Down Digit Keys | Input Voltage | 100 ~ 240VAC | |
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TE Connectivity
|
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- | - | - | - | - | - | - | - | - | - | |
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TE Connectivity
|
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- | - | - | - | - | - | - | - | - | - | |
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Littelfuse Inc.
|
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DPDT (2 Form C) | 10A @ 120/240VAC | 0.1 Sec ~ 102.3 Sec | Repeat Cycle | Socketable | Mechanical Relay | Plug In, 8 Pin (Octal) | DIP Switches | Input Voltage | 120VAC | |
|
Littelfuse Inc.
|
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SPDT (1 Form C) | 10A @ 120/240VAC | 1 Sec ~ 1023 Sec | Off-Delay | Socketable | Mechanical Relay | Plug In, 8 Pin (Octal) | DIP Switches | Input Voltage, Trigger Signal | 230VAC | |
|
Littelfuse Inc.
|
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DPDT (2 Form C) | 10A @ 120/240VAC | 1 Sec ~ 1023 Sec | Interval | Socketable | Mechanical Relay | Plug In, 8 Pin (Octal) | DIP Switches | Input Voltage | 120VAC | |
|
Littelfuse Inc.
|
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SPDT (1 Form C) | 10A @ 120/240VAC | 0.1 Sec ~ 1705 Hrs | Programmable (Multi-Function) | Socketable | Mechanical Relay | Plug In, 8 Pin (Octal) | DIP Switches | Input Voltage, Trigger Signal | 12VDC | |
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Littelfuse Inc.
|
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DPDT (2 Form C) | 10A @ 120/240VAC | 0.1 Sec ~ 1705 Hrs | Programmable (Multi-Function) | Socketable | Mechanical Relay | Plug In, 11 Pin (Octal) | DIP Switches | Input Voltage, Trigger Signal | 24VAC/DC | |
Autonics
|
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SPDT (1 Form C) | 10A @ 250VAC | Weekly/Yearly | Programmable (Multi-Function) | Chassis Mount, Panel Mount | Mechanical Relay | Screw Terminal | Up/Down Digit Keys | Input Voltage | 100 ~ 240VAC | |
NTE Electronics
|
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DPDT (2 Form C) | 10A @ 120VAC/30VDC | - | Repeat Cycle | - | Mechanical Relay | Plug In, 8 Pin (Octal) | - | - | 120VAC | |
|
Carlo Gavazzi
|
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DPDT (2 Form C) | 5A @ 250VAC | 0.1 Sec ~ 100 Hrs | Programmable (Multi-Function) | DIN Rail | Mechanical Relay | Screw Terminal | Screwdriver Slot | Input Voltage | 24 ~ 240VAC, 24VDC | |
|
Littelfuse Inc.
|
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DPDT (2 Form C) | 10A @ 120/240VAC | 10 Sec ~ 10230 Sec | Off-Delay, On-Delay | Socketable | Mechanical Relay | Plug In, 11 Pin (Octal) | DIP Switches | Input Voltage, Trigger Signal | 120VAC | |
Littelfuse Inc.
|
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DPDT (2 Form C) | 10A @ 120/240VAC | 1 Sec ~ 1023 Sec | One Shot | Socketable | Mechanical Relay | Plug In, 11 Pin (Octal) | DIP Switches | Input Voltage, Trigger Signal | 120VAC | |
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Littelfuse Inc.
|
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DPDT (2 Form C) | 10A @ 120/240VAC | 0.1 Sec ~ 102.3 Sec | Repeat Cycle | Socketable | Mechanical Relay | Plug In, 8 Pin (Octal) | DIP Switches | Input Voltage | 120VAC | |
|
TE Connectivity
|
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- | - | - | - | - | - | - | - | - | - | |
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TE Connectivity
|
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- | - | - | - | - | - | - | - | - | - | |
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 | 24 ~ 240VAC, 24VDC | |
Mueller Electric Co
|
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SPDT (1 Form C) | 10A @ 120VAC | 15 Sec ~ 120 Min | Programmable (Multi-Function) | Chassis Mount | Solid State Relay | Screw Terminal | Hand Dial | Input Voltage | 120VAC | |
Mueller Electric Co
|
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DPDT (2 Form C) | 10A @ 250VAC/24VDC | 3 Sec ~ 300 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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DPDT (2 Form C) | 10A @ 250VAC/24VDC | 0.6 Sec ~ 60 Sec | On-Delay | Socketable | Mechanical Relay | Plug In, 8 Pin (Octal) | Hand Dial | Input Voltage | 110 ~ 120VAC/DC | |
Siemens
|
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DPDT (2 Form C) | - | 0.05 Sec ~ 100 Hrs | On-Delay | DIN Rail | Mechanical Relay | Screw Terminal | Screwdriver Slot | Input Voltage | 12 ~ 240VAC/DC | |
Siemens
|
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SPDT (1 Form C) | 3A @ 250VAC | 0.05 Sec ~ 100 Hrs | Programmable (Multi-Function) | DIN Rail | Mechanical Relay | Spring Terminal | Screwdriver Slot | Input Voltage | 12 ~ 240VAC/DC | |
Mueller Electric Co
|
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DPDT (2 Form C) | 10A @ 250VAC | 3 Sec ~ 300 Sec | Off-Delay | Socketable | Mechanical Relay | Plug In, 8 Pin (Octal) | Hand Dial | Input Voltage | 110 ~ 120VAC/DC | |
Mueller Electric Co
|
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DPDT (2 Form C) | 10A @ 250VAC | 2 Sec ~ 200 Sec | Off-Delay | Socketable | Mechanical Relay | Plug In, 8 Pin (Octal) | Hand Dial | Input Voltage | 110 ~ 120VAC/DC | |
Mueller Electric Co
|
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DPDT (2 Form C) | 10A @ 250VAC | 2 Sec ~ 200 Sec | Off-Delay | Socketable | Mechanical Relay | Plug In, 8 Pin (Octal) | Hand Dial | Input Voltage | 208 ~ 240VAC/DC | |
Marlin Technologies
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- | - | Fixed, 10 Sec | - | - | - | - | - | - | 8 ~ 16VDC | |
|
TE Connectivity
|
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- | - | - | - | - | - | - | - | - | - | |
Mueller Electric Co
|
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SPDT (1 Form C) | 5A @ 120VAC | 0.01 Sec ~ 999 Hrs | On-Delay | DIN Rail | Mechanical Relay | Screw Terminal | Finger Knob | Input Voltage | - | |
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Littelfuse Inc.
|
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SPST-NO (1 Form A) | - | - | Repeat Cycle | Chassis Mount | Solid State Relay | Quick Connect - 0.250" (6.3mm) | - | Input Voltage | 230VAC | |
|
Littelfuse Inc.
|
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SPST-NO (1 Form A) | - | - | Repeat Cycle | Chassis Mount | Solid State Relay | Quick Connect - 0.250" (6.3mm) | - | Input Voltage | 120VAC | |
|
Aim Dynamics
|
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DPDT (2 Form C) | 5A @ 250VAC | 0.05 Sec ~ 720 Hrs | Programmable (Multi-Function) | DIN Rail | Mechanical Relay | Screw Terminal | Screwdriver Slot | Input Voltage, Trigger Signal | 24 ~ 240VAC/DC | |
Siemens
|
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DPDT (2 Form C) | 3A @ 250VAC | 0.05 Sec ~ 100 Hrs | Programmable (Multi-Function) | DIN Rail | Mechanical Relay | Screw Terminal | Screwdriver Slot | - | 24 ~ 240VAC/DC | |
Mueller Electric Co
|
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DPDT (2 Form C) | 7A @ 240VAC | 0.01 Sec ~ 999 Hrs | Interval, On-Delay | DIN Rail | Mechanical Relay | Screw Terminal | Finger Knob | Input Voltage | 240VAC | |
Omron
|
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- | - | 0.01 Sec ~ 99K Hrs | Programmable (Multi-Function) | Panel Mount | Solid State Relay | Screw Terminal | Up/Down Digit Keys | Input Voltage, Trigger Signal | 12 ~ 24VDC |
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