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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DPDT (2 Form C) | 3A @ 250VAC | Fixed, 30 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, 12 Hrs | 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, 3 Min | 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, 10 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, 1 Min | On-Delay | Panel Mount | - | Plug In, 8 Pin (Octal) | Hand Dial | - | 24VDC | |
Autonics
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DPDT (2 Form C) | 3A @ 250VAC | Fixed, 1 Sec | On-Delay | Panel Mount | - | Plug In, 8 Pin (Octal) | Hand Dial | - | 110VAC | |
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 | - | 110VAC | |
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 | - | 110VAC | |
Autonics
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SPST-NO (1 Form A), SPDT (1 Form C) | 3A @ 250VAC | Fixed, 6 Hrs | 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, 30 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 Sec | On-Delay | Panel Mount | - | Plug In, 8 Pin (Octal) | Hand Dial | - | 110VAC | |
Autonics
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DPDT (2 Form C) | 3A @ 250VAC | Fixed, 24 Hrs | 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, 30 Min | 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, 30 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, 10 Sec | On-Delay | Panel Mount | - | Plug In, 8 Pin (Octal) | Hand Dial | - | 12VDC | |
Littelfuse Inc.
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SPST-NO (1 Form A) | - | 0.1 Min ~ 8 Min | On-Delay | Chassis Mount | Solid State Relay | Quick Connect - 0.250" (6.3mm) | Screwdriver Slot | Input Voltage | 24 ~ 240VAC/DC | |
Crouzet
|
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- | - | Fixed, 1 Sec | On-Delay | Chassis Mount | Solid State Relay | Quick Connect - 0.250" (6.3mm) | Fixed | Input Voltage | 110VAC/DC | |
Littelfuse Inc.
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- | - | Fixed, 1 Sec, 45 Sec | Off-Delay, On-Delay | Chassis Mount | Solid State Relay | Quick Connect - 0.250" (6.3mm) | Fixed | Input Voltage, Trigger Signal | 24VAC | |
Littelfuse Inc.
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- | - | Fixed, 1 Sec, 8 Sec | Off-Delay, On-Delay | Chassis Mount | Solid State Relay | Quick Connect - 0.250" (6.3mm) | Fixed | Input Voltage, Trigger Signal | 24VAC | |
Littelfuse Inc.
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SPST-NO (1 Form A) | - | 0.1 Sec ~ 10 Sec | On-Delay | Chassis Mount | Solid State Relay | Quick Connect - 0.250" (6.3mm) | External Resistor | Input Voltage | 120VAC | |
Finder
|
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SPDT (1 Form C) | 16A @ 250VAC | 0.05 Sec ~ 240 Hrs | On-Delay | DIN Rail | Mechanical Relay | Screw Terminal | Screwdriver Slot | Input Voltage | 24 ~ 240VAC/DC | |
Finder
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SPDT (1 Form C) | 16A @ 250VAC | 0.05 Sec ~ 240 Hrs | Off-Delay | DIN Rail | Mechanical Relay | Screw Terminal | Screwdriver Slot | Input Voltage, Trigger Signal | 24 ~ 240VAC/DC | |
Littelfuse Inc.
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SPST-NO (1 Form A) | - | Fixed, 1 Sec | On-Delay | Chassis Mount | Solid State Relay | Wire Leads | Fixed | Input Voltage | 12VDC | |
Littelfuse Inc.
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SPST-NO (1 Form A) | - | Fixed, 0.15 Sec | On-Delay | Chassis Mount | Solid State Relay | Wire Leads | Fixed | Input Voltage | 24VAC | |
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 | 24VDC | |
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 | 100 ~ 240VAC/DC | |
Littelfuse Inc.
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SPST-NO (1 Form A) | - | 0.1 Sec ~ 102.3 Sec | On-Delay | Chassis Mount | Solid State Relay | Quick Connect - 0.250" (6.3mm) | DIP Switches | Input Voltage | 100 ~ 240VAC/DC | |
Littelfuse Inc.
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SPST-NO (1 Form A) | - | 0.1 Sec ~ 10 Sec | On-Delay | Chassis Mount | Solid State Relay | Quick Connect - 0.250" (6.3mm) | Screwdriver Slot | Input Voltage | 24VAC | |
Littelfuse Inc.
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SPST-NO (1 Form A) | - | Fixed, 20 Sec | On-Delay | Chassis Mount | Solid State Relay | Quick Connect - 0.250" (6.3mm) | Fixed | Input Voltage | 12VDC | |
Littelfuse Inc.
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SPST-NO (1 Form A) | - | 10 Sec ~ 1000 Sec | Repeat Cycle | Chassis Mount | Solid State Relay | Quick Connect - 0.250" (6.3mm) | Screwdriver Slot | Input Voltage | 120VAC | |
Littelfuse Inc.
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SPST-NO (1 Form A) | - | 0.1 Sec ~ 10 Sec | Interval | Chassis Mount | Solid State Relay | Quick Connect - 0.250" (6.3mm) | External Resistor | Input Voltage | 120VAC | |
Finder
|
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DPDT (2 Form C) | 10A @ 250VAC | 0.05 Sec ~ 100 Hrs | Programmable (Multi-Function) | Socketable | Mechanical Relay | Plug In | Hand Dial | Input Voltage, Trigger Signal | 24VAC/DC | |
Finder
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4PDT (4 Form C) | 7A @ 250VAC | 0.05 Sec ~ 100 Hrs | Programmable (Multi-Function) | Socketable | Mechanical Relay | Plug In | Hand Dial | Input Voltage, Trigger Signal | 230 ~ 240VAC | |
Finder
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DPDT (2 Form C) | 10A @ 250VAC | 0.05 Sec ~ 100 Hrs | Programmable (Multi-Function) | Socketable | Mechanical Relay | Plug In | Hand Dial | Input Voltage, Trigger Signal | 110 ~ 125VAC/DC | |
Finder
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4PDT (4 Form C) | 7A @ 250VAC | 0.05 Sec ~ 100 Hrs | Programmable (Multi-Function) | Socketable | Mechanical Relay | Plug In | Hand Dial | Input Voltage, Trigger Signal | 110 ~ 125VAC/DC | |
Finder
|
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DPDT (2 Form C) | 10A @ 250VAC | 0.05 Sec ~ 100 Hrs | Programmable (Multi-Function) | Socketable | Mechanical Relay | Plug In | Hand Dial | Input Voltage, Trigger Signal | 230 ~ 240VAC | |
|
TE Connectivity
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- | - | - | - | - | - | - | - | - | - | |
Finder
|
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4PDT (4 Form C) | 7A @ 250VAC | 0.05 Sec ~ 100 Hrs | Programmable (Multi-Function) | Socketable | Mechanical Relay | Plug In | Hand Dial | Input Voltage, Trigger Signal | 24VAC/DC | |
Littelfuse Inc.
|
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SPST-NO (1 Form A) | - | 10 Sec ~ 10230 Sec | On-Delay | Chassis Mount | Solid State Relay | Quick Connect - 0.250" (6.3mm) | DIP Switches | Input Voltage | 24 ~ 120VAC/DC | |
Littelfuse Inc.
|
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SPST-NO (1 Form A) | - | Fixed, 5 Min | On-Delay | Chassis Mount | Solid State Relay | Quick Connect - 0.250" (6.3mm) | Screwdriver Slot | Input Voltage, Trigger Signal | 120 ~ 230VAC | |
Littelfuse Inc.
|
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SPST-NO (1 Form A) | - | Fixed, 1 Sec | On-Delay | Chassis Mount | Solid State Relay | Quick Connect - 0.250" (6.3mm) | Fixed | Input Voltage, Trigger Signal | 120VAC | |
Idec
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SPDT (1 Form C) | 3A @ 240VAC | 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 | 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 | Hand Dial | Input Voltage | 24VAC/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, 11 Pin (Octal) | Hand Dial | Input Voltage | 100 ~ 240VAC | |
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 | 24VAC/DC | |
Carlo Gavazzi
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DPDT (2 Form C) | 8A @ 250VAC | 0.1 Sec ~ 100 Hrs | On-Delay | Socketable | Mechanical Relay | Plug In, 8 Pin | Hand Dial | Input Voltage | 24 ~ 240VAC/DC | |
Littelfuse Inc.
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SPST-NO (1 Form A) | - | Fixed, 2 Min | On-Delay | Chassis Mount | Solid State Relay | Quick Connect - 0.250" (6.3mm) | Fixed | Input Voltage, Trigger Signal | 12VDC | |
Littelfuse Inc.
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SPST-NO (1 Form A) | - | 0.5 Sec ~ 60 Sec | On-Delay | Chassis Mount | Solid State Relay | Quick Connect - 0.250" (6.3mm) | External Resistor | Input Voltage | 120VAC | |
Littelfuse Inc.
|
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SPST-NO (1 Form A) | - | 0.1 Sec ~ 10 Sec | One Shot | Chassis Mount | Solid State Relay | Quick Connect - 0.250" (6.3mm) | External Resistor | Input Voltage, Trigger Signal | 120VAC |
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