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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SPST-NO (1 Form A) | - | 5 Sec ~ 600 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) | - | Fixed, 2 Sec | On-Delay | Chassis Mount | Solid State Relay | Quick Connect - 0.250" (6.3mm) | Fixed | Input Voltage | 230VAC | |
|
Littelfuse Inc.
|
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SPST-NO (1 Form A) | - | Fixed, 5 Sec | On-Delay | Chassis Mount | Solid State Relay | Quick Connect - 0.250" (6.3mm) | Fixed | Input Voltage | 230VAC | |
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Littelfuse Inc.
|
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SPST-NO (1 Form A) | - | 0.05 Sec ~ 3 Sec | On-Delay | Chassis Mount | Solid State Relay | Quick Connect - 0.250" (6.3mm) | External Resistor | Input Voltage | 230VAC | |
|
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 | 230VAC | |
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Littelfuse Inc.
|
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SPST-NO (1 Form A) | - | Fixed, 30 Sec | Interval | Chassis Mount | Solid State Relay | Quick Connect - 0.250" (6.3mm) | Fixed | Input Voltage | 120VAC | |
|
Littelfuse Inc.
|
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SPST-NO (1 Form A) | - | 0.05 Sec ~ 3 Sec | Interval | 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) | - | 0.5 Sec ~ 60 Sec | Interval | Chassis Mount | Solid State Relay | Quick Connect - 0.250" (6.3mm) | External Resistor | Input Voltage | 120VAC | |
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Littelfuse Inc.
|
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SPST-NO (1 Form A) | - | 2 Sec ~ 180 Sec | Interval | Chassis Mount | Solid State Relay | Quick Connect - 0.250" (6.3mm) | External Resistor | Input Voltage | 120VAC | |
|
TE Connectivity
|
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Littelfuse Inc.
|
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SPST-NO (1 Form A) | - | 5 Sec ~ 600 Sec | Interval | Chassis Mount | Solid State Relay | Quick Connect - 0.250" (6.3mm) | External Resistor | Input Voltage | 120VAC | |
|
Littelfuse Inc.
|
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SPST-NC (1 Form B) | - | Fixed, 165 Sec | On-Delay | Chassis Mount | Solid State Relay | Quick Connect - 0.250" (6.3mm) | Fixed | Input Voltage | 120VAC | |
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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) | Screwdriver Slot | Input Voltage, Trigger Signal | 24VAC | |
|
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 | 24VAC | |
|
Littelfuse Inc.
|
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SPST-NO (1 Form A) | - | Fixed, 5 Min | One Shot | Chassis Mount | Solid State Relay | Quick Connect - 0.250" (6.3mm) | Fixed | Input Voltage, Trigger Signal | 120VAC | |
Siemens
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SPDT (1 Form C) | 3A @ 250VAC | 0.05 Sec ~ 100 Hrs | On-Delay | DIN Rail | Mechanical Relay | Screw Terminal | Screwdriver Slot | Input Voltage | 12 ~ 240VAC/DC | |
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Littelfuse Inc.
|
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SPST-NO (1 Form A) | - | Fixed, 0.5 Sec | One Shot | Chassis Mount | Solid State Relay | Quick Connect - 0.250" (6.3mm) | Fixed | Input Voltage, Trigger Signal | 120VAC | |
|
Littelfuse Inc.
|
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SPST-NO (1 Form A) | - | 0.05 Sec ~ 3 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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Littelfuse Inc.
|
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SPST-NO (1 Form A) | - | 0.5 Sec ~ 60 Sec | One Shot | Chassis Mount | Solid State Relay | Quick Connect - 0.250" (6.3mm) | External Resistor | Input Voltage, Trigger Signal | 120VAC | |
|
Littelfuse Inc.
|
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Price on request
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SPST-NO (1 Form A) | - | 5 Sec ~ 600 Sec | One Shot | Chassis Mount | Solid State Relay | Quick Connect - 0.250" (6.3mm) | External Resistor | Input Voltage, Trigger Signal | 120VAC | |
|
Littelfuse Inc.
|
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SPST-NO (1 Form A) | - | 0.5 Sec ~ 60 Sec | One Shot | Chassis Mount | Solid State Relay | Quick Connect - 0.250" (6.3mm) | External Resistor | Input Voltage, Trigger Signal | 230VAC | |
|
Littelfuse Inc.
|
Send RFQ |
Price on request
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SPST-NO (1 Form A) | - | 5 Sec ~ 600 Sec | One Shot | Chassis Mount | Solid State Relay | Quick Connect - 0.250" (6.3mm) | External Resistor | Input Voltage, Trigger Signal | 230VAC | |
|
TE Connectivity
|
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- | - | - | - | - | - | - | - | - | - | |
|
Littelfuse Inc.
|
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SPST-NO (1 Form A) | - | 0.5 Sec ~ 20 Sec | Interval | Chassis Mount | Solid State Relay | Quick Connect - 0.250" (6.3mm) | External Resistor | Input Voltage | 12VDC | |
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Littelfuse Inc.
|
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SPST-NO (1 Form A) | - | 2 Sec ~ 60 Sec | Interval | Chassis Mount | Solid State Relay | Quick Connect - 0.250" (6.3mm) | External Resistor | Input Voltage | 12VDC | |
|
Littelfuse Inc.
|
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SPST-NO (1 Form A) | - | 0.05 Sec ~ 3 Sec | Interval | Chassis Mount | Solid State Relay | Quick Connect - 0.250" (6.3mm) | External Resistor | Input Voltage | 24VDC | |
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Littelfuse Inc.
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- | - | 2 Sec ~ 180 Sec | Interval | Chassis Mount | Solid State Relay | Quick Connect - 0.250" (6.3mm) | Fixed | Input Voltage | 24VDC | |
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Littelfuse Inc.
|
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SPST-NO (1 Form A) | - | Fixed, 3 Sec | Off-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) | - | Fixed, 150 Sec | Off-Delay | Chassis Mount | Solid State Relay | Quick Connect - 0.250" (6.3mm) | Fixed | Input Voltage, Trigger Signal | 230VAC | |
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Littelfuse Inc.
|
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SPST-NO (1 Form A) | - | Fixed, 10 Min | Off-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) | - | Fixed, 20 Sec | Off-Delay | Chassis Mount | Solid State Relay | Quick Connect - 0.250" (6.3mm) | Fixed | Input Voltage, Trigger Signal | 12VDC | |
|
Littelfuse Inc.
|
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Price on request
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SPST-NO (1 Form A) | - | 0.1 Sec ~ 10 Sec | Off-Delay | Chassis Mount | Solid State Relay | Quick Connect - 0.250" (6.3mm) | External Resistor | Input Voltage, Trigger Signal | 12VDC | |
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Littelfuse Inc.
|
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SPST-NO (1 Form A) | - | 1 Min ~ 100 Min | Off-Delay | Chassis Mount | Solid State Relay | Quick Connect - 0.250" (6.3mm) | Screwdriver Slot | Input Voltage, Trigger Signal | 12VDC | |
|
Littelfuse Inc.
|
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Price on request
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SPST-NO (1 Form A) | - | 0.1 Sec ~ 10 Sec | Off-Delay | Chassis Mount | Solid State Relay | Quick Connect - 0.250" (6.3mm) | External Resistor | Input Voltage, Trigger Signal | 24VAC | |
|
Littelfuse Inc.
|
Send RFQ |
Price on request
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SPST-NO (1 Form A) | - | 1 Sec ~ 100 Sec | Off-Delay | Chassis Mount | Solid State Relay | Quick Connect - 0.250" (6.3mm) | Screwdriver Slot | Input Voltage, Trigger Signal | 24VAC | |
|
TE Connectivity
|
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Price on request
Price and Stock
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|
TE Connectivity
|
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Price on request
Price and Stock
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- | - | - | - | - | - | - | - | - | - | |
|
Littelfuse Inc.
|
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Price on request
Price and Stock
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SPST-NO (1 Form A) | - | Fixed, 4 Sec | Off-Delay | Chassis Mount | Solid State Relay | Quick Connect - 0.250" (6.3mm) | Fixed | Input Voltage, Trigger Signal | 24VDC | |
|
Littelfuse Inc.
|
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SPST-NO (1 Form A) | - | Fixed, 5 Sec | Off-Delay | Chassis Mount | Solid State Relay | Quick Connect - 0.250" (6.3mm) | Fixed | Input Voltage, Trigger Signal | 24VDC | |
|
Littelfuse Inc.
|
Send RFQ |
Price on request
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SPST-NO (1 Form A) | - | 0.1 Sec ~ 10 Sec | Off-Delay | Chassis Mount | Solid State Relay | Quick Connect - 0.250" (6.3mm) | Screwdriver Slot | Input Voltage, Trigger Signal | 24VDC | |
|
Littelfuse Inc.
|
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SPST-NO (1 Form A) | - | Fixed, 20 Min | Off-Delay | Chassis Mount | Solid State Relay | Quick Connect - 0.250" (6.3mm) | Fixed | Input Voltage, Trigger Signal | 120VAC | |
|
Littelfuse Inc.
|
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SPST-NO (1 Form A) | - | Fixed, 60 Sec | Off-Delay | Chassis Mount | Solid State Relay | Quick Connect - 0.250" (6.3mm) | Fixed | Input Voltage, Trigger Signal | 120VAC | |
|
Littelfuse Inc.
|
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SPST-NO (1 Form A) | - | Fixed, 90 Min | Off-Delay | Chassis Mount | Solid State Relay | Quick Connect - 0.250" (6.3mm) | Fixed | Input Voltage, Trigger Signal | 120VAC | |
|
Littelfuse Inc.
|
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SPST-NO (1 Form A) | - | 1 Sec ~ 100 Sec | Off-Delay | Chassis Mount | Solid State Relay | Quick Connect - 0.250" (6.3mm) | Screwdriver Slot | Input Voltage, Trigger Signal | 230VAC | |
|
Littelfuse Inc.
|
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SPST-NO (1 Form A) | - | Fixed, 1200 Sec | On-Delay | Chassis Mount | Solid State Relay | Quick Connect - 0.250" (6.3mm) | Fixed | Input Voltage | 24 ~ 120VAC/DC | |
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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 | 24 ~ 120VAC/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 | 12VDC | |
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 | 24VAC | |
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Littelfuse Inc.
|
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SPST-NO (1 Form A) | - | Fixed, 90 Sec | Off-Delay | Chassis Mount | Solid State Relay | Quick Connect - 0.250" (6.3mm) | Fixed | Input Voltage | 24VAC | |
|
TE Connectivity
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