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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SPST-NO (1 Form A), SPDT (1 Form C) | 3A @ 250VAC/30VDC | 0.6 Sec ~ 6 Hrs | On-Delay | Socketable | Mechanical Relay | Plug In, 8 Pin (Octal) | Hand Dial | Input Voltage | 100 ~ 240VAC, 24 ~ 240VDC | |
Autonics
|
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SPST-NO (1 Form A), SPDT (1 Form C) | 3A @ 250VAC | 3 Sec ~ 3 Hrs | On-Delay | Socketable | Mechanical Relay | Plug In, 8 Pin (Octal) | Hand Dial | Input Voltage | 100 ~ 240VAC, 24 ~ 240VDC | |
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Omron
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Autonics
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SPST-NO (1 Form A), SPDT (1 Form C) | 3A @ 250VAC | 1 Sec ~ 1 Hr | On-Delay | Socketable | Mechanical Relay | Plug In, 8 Pin (Octal) | Hand Dial | Input Voltage | 100 ~ 240VAC, 24 ~ 240VDC | |
Autonics
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DPDT (2 Form C) | 3A @ 250VAC | 1 Sec ~ 1 Hr | On-Delay | Socketable | Mechanical Relay | Plug In, 8 Pin (Octal) | Hand Dial | Input Voltage | 100 ~ 240VAC, 24 ~ 240VDC | |
Autonics
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DPDT (2 Form C) | 3A @ 250VAC/30VDC | 0.6 Sec ~ 6 Hrs | On-Delay | Socketable | Mechanical Relay | Plug In, 8 Pin (Octal) | Hand Dial | Input Voltage | 100 ~ 240VAC, 24 ~ 240VDC | |
Autonics
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DPDT (2 Form C) | 3A @ 250VAC/30VDC | 0.6 Sec ~ 6 Hrs | On-Delay | Socketable | Mechanical Relay | Plug In, 8 Pin (Octal) | Hand Dial | Input Voltage | 100 ~ 240VAC, 24 ~ 240VDC | |
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TE Connectivity
|
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AVG
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DPDT (2 Form C) | 7A @ 250VAC | 0.01 Sec ~ 999 Hrs | Off-Delay | Socketable | Mechanical Relay | Plug In, 11 Pin | Push Buttons | - | 12VDC | |
AVG
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SPDT (1 Form C) | 7A @ 250VAC | 0.01 Sec ~ 999 Hrs | Off-Delay | Socketable | Mechanical Relay | Plug In, 8 Pin (Octal) | Push Buttons | - | 120VAC | |
AVG
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DPDT (2 Form C) | 7A @ 250VAC | 0.01 Sec ~ 999 Hrs | Off-Delay | Socketable | Mechanical Relay | Plug In, 11 Pin | Push Buttons | - | 24VDC | |
AVG
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DPDT (2 Form C) | 7A @ 250VAC | 0.01 Sec ~ 999 Hrs | Off-Delay | Socketable | Mechanical Relay | Plug In, 11 Pin | Push Buttons | - | 120VAC | |
AVG
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DPDT (2 Form C) | 7A @ 250VAC | 0.01 Sec ~ 999 Hrs | Off-Delay | Socketable | Mechanical Relay | Plug In, 11 Pin | Push Buttons | - | 240VAC | |
Autonics
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SPDT (1 Form C) | 3A @ 250VAC | 0.05 Sec ~ 5 Sec | On-Delay | Socketable | Solid State Relay | Plug In, 8 Pin (Octal) | DIP Switches | Input Voltage | 100 ~ 240VAC | |
Sensata
|
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SPST-NO (1 Form A) | 6A @ 280VAC | - | Programmable (Multi-Function) | DIN Rail | Solid State Relay | Screw Terminal | Screwdriver Slot | Input Voltage | 12 ~ 24VAC/DC | |
Autonics
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SPDT (1 Form C) | 3A @ 250VAC | 0.05 Sec ~ 5 Sec | On-Delay | Socketable | Solid State Relay | Plug In, 8 Pin (Octal) | DIP Switches | Input Voltage | 24VAC, 24 ~ 48VDC | |
AVG
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DPDT (2 Form C) | 7A @ 250VAC | 0.01 Sec ~ 999 Hrs | Programmable (Multi-Function) | Socketable | Mechanical Relay | Plug In, 11 Pin | Push Buttons | - | 240VAC | |
AVG
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DPDT (2 Form C) | 7A @ 250VAC | 0.01 Sec ~ 999 Hrs | Programmable (Multi-Function) | Socketable | Mechanical Relay | Plug In, 11 Pin | Push Buttons | - | 120VAC | |
AVG
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DPDT (2 Form C) | 7A @ 250VAC | 0.01 Sec ~ 999 Hrs | Programmable (Multi-Function) | Socketable | Mechanical Relay | Plug In, 11 Pin | Push Buttons | - | 24VDC | |
AVG
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DPDT (2 Form C) | 7A @ 250VAC | 0.01 Sec ~ 999 Hrs | Programmable (Multi-Function) | Socketable | Mechanical Relay | Plug In, 11 Pin | Push Buttons | - | 12VDC | |
TE Connectivity
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- | - | - | - | - | - | - | - | - | - | |
TE Connectivity
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- | - | - | - | - | - | - | - | - | - | |
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 | 120VAC | |
Weidmüller
|
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SPDT (1 Form C) | 8A @ 250VAC | 0.05 Sec ~ 100 Hrs | Programmable (Multi-Function) | DIN Rail | Mechanical Relay | Screw Terminal | Screwdriver Slot | Input Voltage | 12 ~ 240VAC/DC | |
Crouzet
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SPDT (1 Form C) | 16A @ 250VAC | 0.5 Sec ~ 240 Hrs | On-Delay | DIN Rail | Mechanical Relay | Screw Terminal | Hand Dial | Input Voltage | 12 ~ 240VAC/DC | |
Crouzet
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SPDT (1 Form C) | 8A @ 250VAC | 0.1 Sec ~ 100 Hrs | Off-Delay | DIN Rail | Mechanical Relay | Screw Terminal | Screwdriver Slot | Input Voltage, Trigger Signal | 24 ~ 240VAC, 24VDC | |
Crouzet
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SPDT (1 Form C) | 16A @ 250VAC | 0.5 Sec ~ 240 Hrs | Programmable (Multi-Function) | DIN Rail | Mechanical Relay | Screw Terminal | Hand Dial | Input Voltage | 12 ~ 240VAC/DC | |
Finder
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SPDT (1 Form C) | 16A @ 250VAC | 0.1 Sec ~ 24 Hrs | Repeat Cycle | DIN Rail | Mechanical Relay | Screw Terminal | Screwdriver Slot | Input Voltage, Trigger Signal | 12 ~ 240VAC/DC | |
Omron
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- | - | 0.001 Sec ~ 9999 Hrs | Programmable (Multi-Function) | Panel Mount | Solid State Relay | Screw Terminal | Up/Down Digit Keys | Input Voltage, Trigger Signal | 24VAC, 12 ~ 24VDC | |
Finder
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SPDT (1 Form C) | 6A @ 250VAC | 0.1 Sec ~ 6 Hrs | Programmable (Multi-Function) | DIN Rail | Mechanical Relay | Screw Terminal | Screwdriver Slot | Input Voltage | 24VAC/DC | |
Finder
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- | - | 0.05 Sec ~ 100 Hrs | Interval, On-Delay | Socketable | Timer Only, Relay Not Included | Plug In | Screwdriver Slot | Input Voltage | 12 ~ 24VAC/DC | |
Finder
|
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SPDT (1 Form C) | 6A @ 250VAC | 0.1 Sec ~ 6 Hrs | Programmable (Multi-Function) | DIN Rail | Mechanical Relay | Screw Terminal | Screwdriver Slot | Input Voltage | 12VAC/DC | |
Idec
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DPDT (2 Form C) | 5A @ 240VAC/24VDC | 0.1 Sec ~ 10 Hrs | On-Delay | Socketable | Mechanical Relay | Plug In, 8 Pin (Octal) | Hand Dial | Input Voltage | 110 ~ 120VAC | |
Weidmüller
|
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SPDT (1 Form C) | 8A @ 250VAC | 0.05 Sec ~ 100 Hrs | Repeat Cycle | DIN Rail | Mechanical Relay | Screw Terminal | Screwdriver Slot | Input Voltage | 12 ~ 240VAC/DC | |
Idec
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DPDT (2 Form C) | 10A @ 240VAC/30VDC | 0.1 Sec ~ 600 Hrs | Programmable (Multi-Function) | Socketable | Mechanical Relay | Plug In, 8 Pin (Octal) | Hand Dial | Input Voltage | 24VAC/DC | |
Omron
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SPDT (1 Form C) | - | 0.1 Sec ~ 1200 Hrs | On-Delay | DIN Rail | Mechanical Relay | Spring Terminal | Screwdriver Slot | Input Voltage | 24 ~ 240VAC/DC | |
Littelfuse Inc.
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SPST-NO (1 Form A) | - | 1 Sec ~ 1023 Sec | On-Delay | Chassis Mount | Solid State Relay | Quick Connect - 0.250" (6.3mm) | DIP Switches | Input Voltage | 24 ~ 120VAC/DC | |
Crouzet
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SPDT (1 Form C) | 10A @ 250VAC | 0.5 Sec ~ 240 Hrs | Off-Delay | Socketable | Mechanical Relay | Plug In, 8 Pin (Octal) | Hand Dial | Input Voltage, Trigger Signal | 12 ~ 240VAC/DC | |
Idec
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DPDT (2 Form C) | 5A @ 240VAC/24VDC | 0.1 Sec ~ 180 Hrs | Programmable (Multi-Function) | Socketable | Mechanical Relay | Plug In, 8 Pin (Octal) | Hand Dial | Input Voltage | 100 ~ 240VAC | |
Idec
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DPDT (2 Form C) | 10A @ 240VAC/30VDC | 0.1 Sec ~ 600 Hrs | Programmable (Multi-Function) | Socketable | Mechanical Relay | Plug In, 11 Pin (Octal) | Hand Dial | Input Voltage, Trigger Signal | 24VAC/DC | |
Omron
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SPDT (1 Form C) | - | 0.1 Sec ~ 1200 Hrs | Programmable (Multi-Function) | DIN Rail | Mechanical Relay | Spring Terminal | Screwdriver Slot | Input Voltage | 24 ~ 240VAC/DC | |
Omron
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SPDT (1 Form C) | - | 0.1 Sec ~ 1200 Hrs | Programmable (Multi-Function) | DIN Rail | Mechanical Relay | Spring Terminal | Screwdriver Slot | Input Voltage | 24 ~ 240VAC/DC | |
Crouzet
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DPDT (2 Form C) | 8A @ 250VAC | 0.5 Sec ~ 240 Hrs | On-Delay | DIN Rail | Mechanical Relay | Screw Terminal | Hand Dial | Input Voltage | 12 ~ 240VAC/DC | |
Crouzet
|
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DPDT (2 Form C) | 10A @ 250VAC | 0.5 Sec ~ 240 Hrs | Off-Delay | Socketable | Mechanical Relay | Plug In, 11 Pin (Octal) | Hand Dial | Input Voltage, Trigger Signal | 12 ~ 240VAC/DC | |
Omron
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SPDT (1 Form C) | 5A @ 250VAC | 0.1 Sec ~ 120 Hrs | On-Delay | DIN Rail | Mechanical Relay | Screw Terminal | Screwdriver Slot | Input Voltage, Trigger Signal | 24 ~ 230VAC, 24 ~ 48VDC | |
Omron
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DPDT (2 Form C) | - | 0.1 Sec ~ 1200 Hrs | Programmable (Multi-Function) | DIN Rail | Mechanical Relay | Spring Terminal | Screwdriver Slot | Input Voltage | 24 ~ 240VAC/DC | |
Idec
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DPDT (2 Form C) | 3A @ 240VAC | 0.1 Sec ~ 300 Hrs | Programmable (Multi-Function) | Socketable | Mechanical Relay | Plug In, 8 Pin (Octal) | Screwdriver Slot | Input Voltage | 100 ~ 240VAC | |
Omron
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DPST-NO/NC (1 Form A and B) | 3A @ 250VAC | 0.1 Sec ~ 10 Min | On-Delay | Through Hole | Mechanical Relay | PC Pin | Screwdriver Slot | Input Voltage, Trigger Signal | 5VDC | |
NTE Electronics
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DPDT (2 Form C) | 10A @ 120VAC/30VDC | - | Interval | - | Mechanical Relay | Plug In, 8 Pin (Octal) | - | - | 24VDC | |
Crouzet
|
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SPDT (1 Form C) | 8A @ 250VAC | 0.1 Sec ~ 100 Hrs | One Shot | DIN Rail | Mechanical Relay | Screw Terminal | Screwdriver Slot | Input Voltage, Trigger Signal | 24 ~ 240VAC, 24VDC |
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