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 | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Crouzet
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SPDT (1 Form C) | 8A @ 250VAC | 0.1 Sec ~ 100 Hrs | Programmable (Multi-Function) | DIN Rail | Mechanical Relay | Screw Terminal | Screwdriver Slot | Input Voltage, Trigger Signal | 24 ~ 240VAC, 24VDC | |
Omron
|
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SPDT (1 Form C) | 5A @ 250VAC | 0.1 Sec ~ 120 Hrs | Programmable (Multi-Function) | DIN Rail | Mechanical Relay | Screw Terminal | Screwdriver Slot | Input Voltage, Trigger Signal | 24 ~ 230VAC, 24 ~ 48VDC | |
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Omron
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- | - | - | - | - | - | - | - | - | - | |
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Phoenix Contact
|
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SPDT (1 Form C) | 6.3A @ 250VAC | 0.1 Sec ~ 300 Min | Programmable (Multi-Function) | DIN Rail | Mechanical Relay | Spring Terminal | Screwdriver Slot | Input Voltage | 24VDC | |
Crouzet
|
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SPDT (1 Form C) | 8A @ 250VAC | 0.1 Sec ~ 100 Hrs | Repeat Cycle, Twin Timer | DIN Rail | Mechanical Relay | Screw Terminal | Screwdriver Slot | Input Voltage | 24 ~ 240VAC, 24VDC | |
Phoenix Contact
|
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SPDT (1 Form C) | 5A @ 250VAC | 0.05 Sec ~ 1 Hr | Programmable (Multi-Function) | DIN Rail | Mechanical Relay | Spring Terminal | Screwdriver Slot | Input Voltage | 24 ~ 240VAC/DC | |
|
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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 | - | 100 ~ 240VAC, 100 ~ 125VDC | ||
Omron
|
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DPDT (2 Form C) | 5A @ 250VAC | 0.05 Min ~ 12 Min | Off-Delay | Socketable | Mechanical Relay | Plug In, 8 Pin (Octal) | Hand Dial | Input Voltage | 24VAC/DC | |
Omron
|
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DPDT (2 Form C) | 5A @ 250VAC | 0.1 Sec ~ 1200 Hrs | Programmable (Multi-Function) | DIN Rail | Mechanical Relay | Screw Terminal | Screwdriver Slot | Input Voltage | 24 ~ 240VAC/DC | |
Omron
|
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DPDT (2 Form C) | 3A @ 250VAC | 0.1 Sec ~ 9990 Hrs | On-Delay | Socketable | Mechanical Relay | Plug In, 8 Pin (Octal) | Thumbwheel Switches | Input Voltage | 100 ~ 120VAC | |
Omron
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SPDT (1 Form C) | 3A @ 250VAC | 0.1 Sec ~ 9990 Hrs | On-Delay | Socketable | Mechanical Relay | Plug In, 8 Pin (Octal) | Thumbwheel Switches | Input Voltage | 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 | - | 100 ~ 120VAC | |
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 | - | 12 ~ 240VAC/DC | |
Omron
|
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SPDT (1 Form C) | 5A @ 250VAC | 0.001 Sec ~ 9999 Hrs | Programmable (Multi-Function) | Panel Mount | Mechanical Relay | Screw Terminal | Up/Down Digit Keys | Input Voltage, Trigger Signal | 100 ~ 240VAC | |
Omron
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SPDT (1 Form C) | 5A @ 250VAC | 0.001 Sec ~ 9999 Hrs | Programmable (Multi-Function) | Panel Mount | Mechanical Relay | Screw Terminal | Up/Down Digit Keys | Input Voltage, Trigger Signal | 24VAC, 12 ~ 24VDC | |
Idec
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DPDT (2 Form C) | 5A @ 220VAC/30VDC | 0.1 Sec ~ 30 Min | On-Delay | Socketable | Mechanical Relay | Plug In | Screwdriver Slot | Input Voltage | 24VDC | |
Omron
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DPDT (2 Form C) | - | 0.1 Sec ~ 1200 Hrs | On-Delay | DIN Rail | Mechanical Relay | Spring Terminal | Screwdriver Slot | Input Voltage | 24 ~ 240VAC/DC | |
Crouzet
|
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- | - | 0.1 Sec ~ 100 Hrs | Interval | DIN Rail | Solid State Relay | Screw Terminal | Screwdriver Slot | Input Voltage, Trigger Signal | 24 ~ 240VAC | |
Omron
|
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DPST-NO/NC (1 Form A and B) | 3A @ 250VAC | 0.1 Sec ~ 10 Min | Off-Delay | Through Hole | Mechanical Relay | PC Pin | Screwdriver Slot | Input Voltage, Trigger Signal | 5VDC | |
Crouzet
|
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SPDT (1 Form C) | 5A @ 250VAC | 0.1 Sec ~ 20 Hrs | Programmable (Multi-Function) | DIN Rail | Mechanical Relay | Screw Terminal | Hand Dial | Input Voltage, Trigger Signal | 24 ~ 240VAC, 12 ~ 240VDC | |
Carlo Gavazzi
|
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SPDT (1 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 | |
Carlo Gavazzi
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SPDT (1 Form C) | 8A @ 250VAC | 0.1 Sec ~ 100 Hrs | On-Delay | DIN Rail | Mechanical Relay | Screw Terminal | Screwdriver Slot | Input Voltage | 24 ~ 240VAC, 24VDC | |
Sensata
|
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SPST-NO (1 Form A) | 6A @ 280VAC | - | Off-Delay | DIN Rail | Solid State Relay | Screw Terminal | Screwdriver Slot | Input Voltage | 12 ~ 24VAC/DC | |
Finder
|
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SPDT (1 Form C) | 8A @ 250VAC | 0.5 Sec ~ 180 Sec | Off-Delay | DIN Rail | Mechanical Relay | Screw Terminal | Screwdriver Slot | Input Voltage | 24 ~ 240VAC, 24 ~ 220VDC | |
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 | 120VAC | |
Finder
|
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DPDT (2 Form C) | 16A @ 250VAC | 0.1 Sec ~ 9999 Hrs | Programmable (Multi-Function) | DIN Rail | Mechanical Relay | Screw Terminal | Up/Down Digit Keys | Input Voltage | 12 ~ 24VAC/DC | |
|
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DPDT (2 Form C) | 5A @ 250VAC | 0.05 Sec ~ 300 Hrs | Programmable (Multi-Function) | Socketable | Mechanical Relay | Plug In, 11 Pin (Octal) | Hand Dial | - | 100 ~ 240VAC, 100 ~ 125VDC | ||
Omron
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DPDT (2 Form C) | 5A @ 250VAC | 0.05 Sec ~ 300 Hrs | Programmable (Multi-Function) | Socketable | Mechanical Relay | Plug In, 11 Pin (Octal) | Hand Dial | - | 24 ~ 48VAC, 12 ~ 48VDC | |
Omron
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DPDT (2 Form C) | 5A @ 250VAC | 0.05 Sec ~ 12 Sec | Off-Delay | Socketable | Mechanical Relay | Plug In, 8 Pin (Octal) | Hand Dial | Input Voltage | 24VAC/DC | |
Omron
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DPDT (2 Form C) | 5A @ 250VAC | 0.05 Sec ~ 30 Hrs | Repeat Cycle, Twin Timer | Socketable | Mechanical Relay | Plug In, 8 Pin (Octal) | Hand Dial | Input Voltage | 24 ~ 48VAC, 12 ~ 48VDC | |
Omron
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SPDT (1 Form C) | 5A @ 250VAC | 0.001 Sec ~ 9999 Hrs | Programmable (Multi-Function) | Socketable | Mechanical Relay | Plug In, 11 Pin (Octal) | Up/Down Digit Keys | Input Voltage, Trigger Signal | 24VAC, 12 ~ 24VDC | |
Omron
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SPST-NO (1 Form A) x 2 | 15A @ 250VAC | 1 Min ~ 1 Week | Programmable (Multi-Function) | Panel Mount | Mechanical Relay | Screw Terminal | Up/Down Digit Keys | Input Voltage | 100 ~ 240VAC | |
Omron
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DPST-NO (2 Form A) | 3A @ 250VAC | 0.1 Sec ~ 10 Min | Programmable (Multi-Function) | Socketable | Mechanical Relay | Plug In | Thumbwheel Switches | Input Voltage | 24VDC | |
Littelfuse Inc.
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SPDT (1 Form C) | 10A @ 125VAC | Fixed, 2.5 Sec | Off-Delay | Chassis Mount | Mechanical Relay | Quick Connect - 0.250" (6.3mm) | Fixed | Input Voltage, Trigger Signal | 12VDC | |
Littelfuse Inc.
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SPDT (1 Form C) | 30A @ 125/240VAC | 0.1 Sec ~ 10 Sec | Off-Delay | Chassis Mount | Mechanical Relay | Quick Connect - 0.250" (6.3mm) | Screwdriver Slot | Input Voltage, Trigger Signal | 12VDC | |
Crouzet
|
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SPDT (1 Form C) | 5A @ 250VAC | 0.001 Sec ~ 9999 Hrs | Programmable (Multi-Function) | Socketable | - | Plug In, 8 Pin (Octal) | Up/Down Digit Keys | Input Voltage | 100 ~ 240VAC/DC | |
Autonics
|
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SPST-NO (1 Form A), SPDT (1 Form C) | 3A @ 250VAC | Fixed, 6 Sec | On-Delay | Panel Mount | - | Plug In, 8 Pin (Octal) | Hand Dial | - | 110/220VAC | |
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 | - | 100 ~ 240VAC, 24 ~ 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 | - | 12VDC | |
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 | - | 100 ~ 240VAC, 24 ~ 240VDC | |
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 | - | 100 ~ 240VAC, 24 ~ 240VDC | |
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 | - | 12VDC | |
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 | - | 200 ~ 240VAC | |
Omron
|
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DPST-NO/NC (1 Form A and B) | 3A @ 250VAC | 0.1 Sec ~ 10 Min | Off-Delay | Through Hole | Mechanical Relay | PC Pin | Screwdriver Slot | Input Voltage, Trigger Signal | 24VDC | |
Selec Controls USA Inc.
|
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DPDT (2 Form C) | 5A @ 230VAC | 0 Sec ~ 9999 Hrs | Programmable (Multi-Function) | Panel Mount | Mechanical Relay | Screw Terminal | Up/Down Digit Keys | Input Voltage | 90 ~ 270VAC/DC | |
Siemens
|
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DPDT (2 Form C) | 3A @ 250VAC | 0.05 Sec ~ 600 Sec | Off-Delay | DIN Rail | Mechanical Relay | Screw Terminal | Screwdriver Slot | - | 12 ~ 240VAC/DC | |
Schneider Electric
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DPDT (2 Form C) | - | 0.1 Sec ~ 100 Hrs | On-Delay | Socketable | Mechanical Relay | Plug In | Hand Dial | Input Voltage | 230VAC | |
Panasonic Electronic Components
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SPDT (1 Form C) | 5A @ 250VAC | 0.001 Sec ~ 999.9 Hrs | Programmable (Multi-Function) | Panel Mount | Mechanical Relay | Screw Terminal | Up/Down Digit Keys | Input Voltage, Trigger Signal | 100 ~ 240VAC | |
Panasonic Electronic Components
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SPDT (1 Form C) | 5A @ 250VAC | 0.001 Sec ~ 999.9 Hrs | Programmable (Multi-Function) | Socketable | Mechanical Relay | Plug In, 11 Pin (Octal) | Up/Down Digit Keys | Input Voltage, Trigger Signal | 100 ~ 240VAC | |
Phoenix Contact
|
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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 | Input Voltage | 24 ~ 240VAC/DC |
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