• 388 Series - Time Delay Relays
  • 388 Series - Time Delay Relays - Dimensional Picture
The 388 timers are square base, bladed versions of time delay relays. On delay, off delay and interval functions are all available with either AC or DC inputs. On delay and interval products can have up to three poles. Off delays have two poles. The timing circuit is oscillator based. Fixed time and externally adjustable versions. Both socket and flange mount versions are available.

Additional contact configurations and coil options are available – please use the RFQ/RFI tab above to submit your request.
UL Recognized & CSA               Made in U.S.A.
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Item #

Type

Nominal Input Voltage

Timing Range

External Resistor

N/A On delay plug-in N/A 120 VAC N/A 0.1 to 10 s N/A 20,000 Ω/s
N/A On delay plug-in N/A 120 VAC N/A 1.0 to 120 s N/A 20,000 Ω/s
N/A On delay surface mount flange style N/A 120 VAC N/A 0.1 to 10 s N/A 20,000 Ω/s
N/A On delay surface mount flange style N/A 120 VAC N/A 1.0 to 120 s N/A 20,000 Ω/s
N/A On delay plug-in N/A 24 VDC N/A 0.1 to 10 s N/A 16,000 Ω/s
N/A On delay plug-in N/A 24 VDC N/A 1.0 to 120 s N/A 16,000 Ω/s
N/A On delay surface mount flange style N/A 24 VDC N/A N/A
N/A On delay surface mount flange style N/A 24 VDC N/A 0.1 to 10 s N/A 16,000 Ω/s
N/A Off delay plug-in N/A 24 VDC N/A 1.0 to 120 s N/A 16,000 Ω/s
N/A On delay plug-in N/A 120 VAC N/A 0.3 to 30 s N/A N/A Ω/s
N/A On delay plug-in N/A 120 VAC N/A 1.2 to 120 s N/A N/A Ω/s
N/A On delay plug-in N/A 120 VAC N/A 1 to 10 s N/A N/A Ω/s
N/A On delay plug-in N/A 120 VAC N/A Up to 60 s N/A
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