HRDM120
Littelfuse Relays, HRDM Series

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HRDM120

Littelfuse Relays, HRDM Series
Littelfuse
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HRDM120

Littelfuse Relays, HRDM Series
Littelfuse
On Delay Timer, 12VDC, 0.1-10 Second
MFG Item Number
HRDM120
Series
HRDM
More specs
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Description

Relays, HRDM Series
Item #
HRDM120
On Delay Timer, 12VDC, 0.1-10 Second

HRDM Series Information

  • 30A, SPDT, NO Output Contacts
  • 12 to 230V Operation in 5 Options
  • Encapsulated Circuitry
  • Delays from 0.1s‑100m in 5 Ranges
  • ±0.5% Repeat Accuracy
The HRDM Series combines an electromechanical relay output with microcontroller timing circuitry. It offers 12 to 230V operation in five ranges and factory fixed, onboard, or external adjustable time delays with a repeat accuracy of ±0.5%. The output contact rating allows for direct operation of heavy loads, such as compressors, pumps, blower motors, heaters, etc. This series is ideal for OEM applications where cost is a factor.

Operation (Delay‑on‑Make): Upon application of input voltage, the time delay begins. The output is de‑energized before and during the time delay. At the end of the time delay, the output relay energizes and remains energized until input voltage is removed. Reset: Removing input voltage resets the time delay and output.

  • Factory Fixed, Onboard or External Adjust

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Specifications

Specifications
Manufacturer Part Number HRDM120
Manufacturer Littelfuse
Product Series HRDM
Family Series Littelfuse Relays, HRDM Series
Description On Delay Timer, 12VDC, 0.1-10 Second Onboard Adjustable Delay, SPDT 30A Output, Surface Mount
Operation On Delay
Contacts SPDT
Mounting Surface
Time Range Adjustment Onboard
Adjustment Operator Knob
Timing Range 0.1-10 s
Max Time 10 s
Time Tolerance 5 %
Coil Voltage 12 VDC
Nominal Coil Voltage 12 VDC
Contact Rating 30 A
Termination 0.250 in Flat Blade
Approvals CE, CSA, UL
Net Weight 0.2438 lbs
Gross Weight 0.309 lbs