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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DPDT (2 Form C) | 10A @ 240VAC | 1 Sec ~ 300 Sec | Off-Delay | Panel Mount | Mechanical Relay | Screw Terminal | Hand Dial | Input Voltage | 125VDC | |
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Littelfuse Inc.
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SPDT (1 Form C) | 30A @ 125/240VAC | 1 Sec ~ 127 Sec | Programmable (Multi-Function) | Chassis Mount | Mechanical Relay | Quick Connect - 0.250" (6.3mm) | DIP Switches | Input Voltage | 120VAC | |
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Littelfuse Inc.
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SPDT (1 Form C) | 30A @ 125/240VAC | 1 Sec ~ 127 Sec | Programmable (Multi-Function) | Chassis Mount | Mechanical Relay | Quick Connect - 0.250" (6.3mm) | DIP Switches | Input Voltage | 120VAC | |
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Littelfuse Inc.
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SPDT (1 Form C) | 30A @ 125/240VAC | 5 Sec ~ 635 Sec | Programmable (Multi-Function) | Chassis Mount | Mechanical Relay | Quick Connect - 0.250" (6.3mm) | DIP Switches | Input Voltage | 120VAC | |
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Littelfuse Inc.
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SPDT (1 Form C) | 30A @ 125/240VAC | 0.1 Min ~ 12.7 Min | Programmable (Multi-Function) | Chassis Mount | Mechanical Relay | Quick Connect - 0.250" (6.3mm) | DIP Switches | Input Voltage | 120VAC | |
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Littelfuse Inc.
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SPDT (1 Form C) | 30A @ 125/240VAC | 0.1 Min ~ 12.7 Min | Programmable (Multi-Function) | Chassis Mount | Mechanical Relay | Quick Connect - 0.250" (6.3mm) | DIP Switches | Input Voltage | 120VAC | |
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DPST-NO (2 Form A) | - | 0.05 Sec ~ 100 Sec | Off-Delay | Panel Mount | Solid State Relay | Screw Terminal | Screwdriver Slot | Input Voltage | 24 ~ 240VAC/DC | |
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DPST-NO/NC (1 Form A and B) | 3A @ 250VAC | 5 Sec ~ 100 Sec | Off-Delay | DIN Rail | Solid State Relay | Screw Terminal | Screwdriver Slot | Input Voltage | 24VAC/DC | |
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DPST-NO/NC (1 Form A and B) | 3A @ 250VAC | 5 Sec ~ 100 Sec | Off-Delay | DIN Rail | Solid State Relay | Screw Terminal | Screwdriver Slot | Input Voltage | 200 ~ 240VAC | |
Littelfuse Inc.
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SPST-NO (1 Form A) | - | - | One Shot | Chassis Mount | Solid State Relay | Quick Connect - 0.250" (6.3mm) | DIP Switches | Input Voltage, Trigger Signal | 24 ~ 240VAC | |
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Littelfuse Inc.
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SPDT (1 Form C) | 10A @ 120/240VAC | 0.1 Sec ~ 102.3 Sec | Off-Delay, On-Delay | Socketable | Mechanical Relay | Plug In, 8 Pin (Octal) | DIP Switches | Input Voltage, Trigger Signal | 120VAC | |
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Littelfuse Inc.
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DPDT (2 Form C) | 10A @ 120/240VAC | 1 Sec ~ 1023 Sec | Off-Delay, On-Delay | Socketable | Mechanical Relay | Plug In, 11 Pin (Octal) | DIP Switches | Input Voltage, Trigger Signal | 120VAC | |
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Finder
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DPDT (2 Form C) | 16A @ 250VAC | 1 Min ~ 168 Hrs | Programmable (Multi-Function) | DIN Rail | Mechanical Relay | Screw Terminal | Up/Down Digit Keys | Input Voltage | 110 ~ 230VAC/DC | |
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Littelfuse Inc.
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SPST-NO (1 Form A) | - | 10 FPM ~ 100 FPM | Repeat Cycle | Chassis Mount | Solid State Relay | Quick Connect - 0.250" (6.3mm) | Screwdriver Slot | Input Voltage, Trigger Signal | 24 ~ 240VAC | |
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 | 12VDC | |
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 | 24VAC | |
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Littelfuse Inc.
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SPDT (1 Form C) | 10A @ 120/240VAC | 10 Sec ~ 10230 Sec | One Shot | Socketable | Mechanical Relay | Plug In, 8 Pin (Octal) | DIP Switches | Input Voltage, Trigger Signal | 120VAC | |
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Littelfuse Inc.
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SPDT (1 Form C) | 10A @ 120/240VAC | 0.1 Sec ~ 102.3 Sec | One Shot | Socketable | Mechanical Relay | Plug In, 8 Pin (Octal) | DIP Switches | Input Voltage, Trigger Signal | 120VAC | |
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Littelfuse Inc.
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DPDT (2 Form C) | 10A @ 120/240VAC | 1 Sec ~ 1023 Sec | Repeat Cycle | Socketable | Mechanical Relay | Plug In, 8 Pin (Octal) | DIP Switches | Input Voltage | 12VDC | |
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Littelfuse Inc.
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DPDT (2 Form C) | 10A @ 120/240VAC | 1 Sec ~ 1023 Sec | Repeat Cycle | 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 | Repeat Cycle | Socketable | Mechanical Relay | Plug In, 8 Pin (Octal) | DIP Switches | Input Voltage | 120VAC | |
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Littelfuse Inc.
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DPDT (2 Form C) | 10A @ 120/240VAC | 1 Sec ~ 1023 Sec | Repeat Cycle | Socketable | Mechanical Relay | Plug In, 8 Pin (Octal) | DIP Switches | Input Voltage | 120VAC | |
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Littelfuse Inc.
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DPDT (2 Form C) | 10A @ 120/240VAC | 10 Sec ~ 10230 Sec | Repeat Cycle | Socketable | Mechanical Relay | Plug In, 8 Pin (Octal) | DIP Switches | Input Voltage | 120VAC |
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