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 | |||
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Littelfuse Inc.
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SPDT (1 Form C) | 30A @ 125/240VAC | 0.1 Hrs ~ 10 Hrs | Interval | Chassis Mount | Mechanical Relay | Quick Connect - 0.250" (6.3mm) | Screwdriver Slot | Input Voltage | 24 ~ 240VAC, 24 ~ 110VDC | |
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Carlo Gavazzi
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SPDT (1 Form C) | 8A @ 250VAC | 0.1 Sec ~ 100 Hrs | Off-Delay | Socketable | Mechanical Relay | Plug In, 11 Pin (Octal) | Screwdriver Slot | Input Voltage | 24 ~ 240VAC, 24VDC | |
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Omron
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4PDT (4 Form C) | 3A @ 250VAC | 0.5 Min ~ 10 Min | Off-Delay, On-Delay | Socketable | Mechanical Relay | Plug In | Hand Dial | Input Voltage | 24VDC | |
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Omron
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4PDT (4 Form C) | 3A @ 250VAC | 0.2 Sec ~ 5 Sec | Off-Delay, On-Delay | Socketable | Mechanical Relay | Plug In | Hand Dial | Input Voltage | 200 ~ 230VAC | |
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Omron
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Omron
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Omron
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Phoenix Contact
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SPDT (1 Form C) | 5A @ 250VAC | 0.05 Sec ~ 100 Hrs | - | DIN Rail | Mechanical Relay | Screw Terminal | Screwdriver Slot | Input Voltage | 24 ~ 240VAC/DC | |
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Phoenix Contact
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SPDT (1 Form C) | 5A @ 250VAC | 0.05 Sec ~ 100 Hrs | - | DIN Rail | Mechanical Relay | Spring Terminal | Screwdriver Slot | Input Voltage | 24 ~ 240VAC/DC | |
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Littelfuse Inc.
|
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DPDT (2 Form C) | 10A @ 240VAC | 1 Sec ~ 60 Sec | On-Delay | Socketable | Mechanical Relay | Plug In, 8 Pin (Octal) | Fixed | Input Voltage | 120VAC | |
Schneider Electric
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DPDT (2 Form C) | 10A @ 240VAC | 0.1 Sec ~ 10 Sec | One Shot | Socketable | Mechanical Relay | Plug In | Hand Dial | Input Voltage | 24VAC/DC | |
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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 | 24VAC | |
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Littelfuse Inc.
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DPDT (2 Form C) | 10A @ 120/240VAC | 0.1 Sec ~ 102.3 Sec | On-Delay | Socketable | Mechanical Relay | Plug In, 8 Pin (Octal) | DIP Switches | Input Voltage | 110VDC | |
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Littelfuse Inc.
|
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DPDT (2 Form C) | 10A @ 120/240VAC | 0.1 Sec ~ 102.3 Sec | On-Delay | Socketable | Mechanical Relay | Plug In, 8 Pin (Octal) | DIP Switches | Input Voltage | 24 ~ 28VDC | |
Wago Corporation
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SPST-NO (1 Form A) | 2A @ 30VDC | 0.1 Sec ~ 300 Min | Programmable (Multi-Function) | DIN Rail | Solid State Relay | Spring Terminal | Screwdriver Slot | Input Voltage | 24VDC | |
Wago Corporation
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SPST-NO (1 Form A) | 1A @ 240VAC | 0.1 Sec ~ 300 Min | Programmable (Multi-Function) | DIN Rail | Solid State Relay | Spring Terminal | Screwdriver Slot | Input Voltage | 24VDC | |
Siemens
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DPST-NO (2 Form A) | - | 0.05 Sec ~ 100 Sec | On-Delay | Panel Mount | Solid State Relay | Screw Terminal | Screwdriver Slot | Input Voltage | 24 ~ 240VAC/DC | |
Siemens
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DPST-NO (2 Form A) | - | 0.05 Sec ~ 100 Sec | On-Delay | Panel Mount | Solid State Relay | Screw Terminal | Screwdriver Slot | Input Voltage | 24 ~ 240VAC/DC | |
Siemens
|
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DPST-NO (2 Form A) | - | 0.05 Sec ~ 100 Sec | On-Delay | Panel Mount | Solid State Relay | Screw Terminal | Screwdriver Slot | Input Voltage | 24 ~ 240VAC/DC | |
Siemens
|
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DPST-NO (2 Form A) | - | 0.05 Sec ~ 100 Sec | On-Delay | Panel Mount | Solid State Relay | Screw Terminal | Screwdriver Slot | Input Voltage | 24 ~ 240VAC/DC | |
Siemens
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DPST-NO/NC (1 Form A and B) | 3A @ 250VAC | 0.5 Sec ~ 10 Sec | On-Delay | DIN Rail | Solid State Relay | Screw Terminal | Screwdriver Slot | Input Voltage | 100 ~ 127VAC | |
Siemens
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DPST-NO (2 Form A) | - | 0.05 Sec ~ 100 Sec | On-Delay | Panel Mount | Solid State Relay | Screw Terminal | Screwdriver Slot | Input Voltage | 24 ~ 240VAC/DC | |
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Littelfuse Inc.
|
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SPST-NO (1 Form A) | - | 0.1 Sec ~ 1000 Min | Repeat Cycle | Chassis Mount | Solid State Relay | Quick Connect - 0.250" (6.3mm) | Screwdriver Slot | Input Voltage | 120VAC | |
Carlo Gavazzi
|
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- | - | 1 Min ~ 10 Min | Interval | Chassis Mount, DIN Rail | Timer Only, Relay Not Included | Screw Terminal | Screwdriver Slot | Input Voltage | 24 ~ 230VAC | |
Carlo Gavazzi
|
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- | - | 0.1 Min ~ 1 Min | On-Delay | Chassis Mount, DIN Rail | Timer Only, Relay Not Included | Screw Terminal | Screwdriver Slot | Input Voltage | 24 ~ 230VAC/DC | |
Carlo Gavazzi
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- | - | 0.5 Sec ~ 10 Sec | Interval | Chassis Mount, DIN Rail | Timer Only, Relay Not Included | Screw Terminal | Screwdriver Slot | Input Voltage | 24 ~ 230VAC | |
Carlo Gavazzi
|
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- | - | 1 Min ~ 10 Min | On-Delay | Chassis Mount, DIN Rail | Timer Only, Relay Not Included | Screw Terminal | Screwdriver Slot | Input Voltage | 24 ~ 230VAC/DC | |
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Carlo Gavazzi
|
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- | - | 1 Min ~ 10 Min | Repeat Cycle | Chassis Mount, DIN Rail | Timer Only, Relay Not Included | Screw Terminal | Screwdriver Slot | Input Voltage | 24 ~ 230VAC | |
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Carlo Gavazzi
|
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- | - | 0.5 Sec ~ 10 Sec | Repeat Cycle | Chassis Mount, DIN Rail | Timer Only, Relay Not Included | Screw Terminal | Screwdriver Slot | Input Voltage | 24 ~ 230VAC | |
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Carlo Gavazzi
|
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- | - | 0.1 Min ~ 1 Min | Repeat Cycle | Chassis Mount, DIN Rail | Timer Only, Relay Not Included | Screw Terminal | Screwdriver Slot | Input Voltage | 24 ~ 230VAC | |
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Carlo Gavazzi
|
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- | - | 1 Min ~ 10 Min | Repeat Cycle | Chassis Mount, DIN Rail | Timer Only, Relay Not Included | Screw Terminal | Screwdriver Slot | Input Voltage | 24 ~ 230VAC | |
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Carlo Gavazzi
|
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- | - | 0.5 Sec ~ 10 Sec | Repeat Cycle | Chassis Mount, DIN Rail | Timer Only, Relay Not Included | Screw Terminal | Screwdriver Slot | Input Voltage | 24 ~ 230VAC | |
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Carlo Gavazzi
|
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- | - | 0.1 Min ~ 1 Min | Repeat Cycle | Chassis Mount, DIN Rail | Timer Only, Relay Not Included | Screw Terminal | Screwdriver Slot | Input Voltage | 24 ~ 230VAC | |
Carlo Gavazzi
|
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- | - | 0.5 Sec ~ 10 Sec | On-Delay | Chassis Mount, DIN Rail | Timer Only, Relay Not Included | Screw Terminal | Screwdriver Slot | Input Voltage | 24 ~ 230VAC/DC | |
Carlo Gavazzi
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- | - | 0.1 Min ~ 1 Min | Interval | Chassis Mount, DIN Rail | Timer Only, Relay Not Included | Screw Terminal | Screwdriver Slot | Input Voltage | 24 ~ 230VAC | |
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Littelfuse Inc.
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SPDT (1 Form C) | 10A @ 125VAC | Fixed, 60 Min | On-Delay | Chassis Mount | Mechanical Relay | Quick Connect - 0.250" (6.3mm) | Fixed | Input Voltage, Trigger Signal | 120VAC | |
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Littelfuse Inc.
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SPDT (1 Form C) | 10A @ 125VAC | Fixed, 3 Min | Off-Delay | Chassis Mount | Mechanical Relay | Quick Connect - 0.250" (6.3mm) | Fixed | Input Voltage, Trigger Signal | 230VAC | |
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Littelfuse Inc.
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SPDT (1 Form C) | 10A @ 125VAC | 0.1 Min ~ 10 Min | On-Delay | Chassis Mount | Mechanical Relay | Quick Connect - 0.250" (6.3mm) | Screwdriver Slot | Input Voltage, Trigger Signal | 24 ~ 240VAC/DC | |
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Littelfuse Inc.
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SPDT (1 Form C) | 10A @ 125VAC | Fixed, 0.1 Sec | On-Delay | Chassis Mount | Mechanical Relay | Quick Connect - 0.250" (6.3mm) | Fixed | Input Voltage, Trigger Signal | 12 ~ 48VDC | |
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Omron
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Littelfuse Inc.
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SPDT (1 Form C) | 10A @ 125VAC | 0.1 Sec ~ 10 Sec | Off-Delay | Chassis Mount | Mechanical Relay | Quick Connect - 0.250" (6.3mm) | Screwdriver Slot | Input Voltage, Trigger Signal | 12 ~ 48VDC | |
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Littelfuse Inc.
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SPDT (1 Form C) | 10A @ 125VAC | 0.1 Sec ~ 10 Sec | On-Delay | Chassis Mount | Mechanical Relay | Quick Connect - 0.250" (6.3mm) | Screwdriver Slot | Input Voltage, Trigger Signal | 12 ~ 48VDC | |
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Littelfuse Inc.
|
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SPDT (1 Form C) | 10A @ 125VAC | 1 Sec ~ 100 Sec | On-Delay | Chassis Mount | Mechanical Relay | Quick Connect - 0.250" (6.3mm) | Screwdriver Slot | Input Voltage, Trigger Signal | 12 ~ 48VDC | |
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Littelfuse Inc.
|
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SPDT (1 Form C) | 10A @ 125VAC | 1 Sec ~ 100 Sec | One Shot | Chassis Mount | Mechanical Relay | Quick Connect - 0.250" (6.3mm) | Screwdriver Slot | Input Voltage, Trigger Signal | 12 ~ 48VDC | |
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Littelfuse Inc.
|
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SPDT (1 Form C) | 10A @ 125VAC | 1 Min ~ 100 Min | One Shot | Chassis Mount | Mechanical Relay | Quick Connect - 0.250" (6.3mm) | Screwdriver Slot | Input Voltage, Trigger Signal | 12 ~ 48VDC | |
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Littelfuse Inc.
|
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SPDT (1 Form C) | 10A @ 125VAC | 10 Sec ~ 1000 Sec | Off-Delay | Chassis Mount | Mechanical Relay | Quick Connect - 0.250" (6.3mm) | Screwdriver Slot | Input Voltage, Trigger Signal | 120VAC | |
Littelfuse Inc.
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SPDT (1 Form C) | 10A @ 125VAC | Fixed, 20 Min | Off-Delay | Chassis Mount | Mechanical Relay | Quick Connect - 0.250" (6.3mm) | Fixed | Input Voltage, Trigger Signal | 12VDC | |
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Littelfuse Inc.
|
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SPDT (1 Form C) | 10A @ 125VAC | 0.1 Sec ~ 10 Sec | One Shot | 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) | 10A @ 125VAC | Fixed, 15 Min | One Shot | Chassis Mount | Mechanical Relay | Quick Connect - 0.250" (6.3mm) | Fixed | Input Voltage, Trigger Signal | 24VAC/DC | |
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Littelfuse Inc.
|
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SPDT (1 Form C) | 10A @ 125VAC | Fixed, 15 Min | One Shot | Chassis Mount | Mechanical Relay | Quick Connect - 0.250" (6.3mm) | Fixed | Input Voltage, Trigger Signal | 24VAC/DC |
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