Littelfuse, Inc. Relay-Output, Recycling Time Delay Relay HRDM3112S

Description
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.
Description
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.
Datasheet
Datasheet Summary
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The HRDM3112S is a delay-on-make timer in the HRDM Series, featuring a 24VDC input voltage and a fixed 12-second time delay. It uses microcontroller-based timing with a repeat accuracy of ±0.5% or 20 ms, whichever is greater. The output is a non-isolated, 30A SPDT electromechanical relay rated for resistive loads up to 240VAC and motor loads up to 2 hp at 240VAC. The device operates from -40°C to 60°C, is encapsulated for protection against shock and humidity, and mounts via a single #10 screw with dimensions of 3 x 2 x 1.5 in. (76.7 x 51.3 x 38.1 mm). Termination is via 0.25 in. (6.35 mm) male quick-connect terminals.

Datasheet Summary
Powered by GS/AI

The HRDM3112S is a delay-on-make timer in the HRDM Series, featuring a 24VDC input voltage and a fixed 12-second time delay. It uses microcontroller-based timing with a repeat accuracy of ±0.5% or 20 ms, whichever is greater. The output is a non-isolated, 30A SPDT electromechanical relay rated for resistive loads up to 240VAC and motor loads up to 2 hp at 240VAC. The device operates from -40°C to 60°C, is encapsulated for protection against shock and humidity, and mounts via a single #10 screw with dimensions of 3 x 2 x 1.5 in. (76.7 x 51.3 x 38.1 mm). Termination is via 0.25 in. (6.35 mm) male quick-connect terminals.

Suppliers

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Product
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Supplier Links
Relay-Output, Recycling Time Delay Relay - HRDM3112S - Littelfuse, Inc.
Rosemont, IL, United States
Relay-Output, Recycling Time Delay Relay
HRDM3112S
Relay-Output, Recycling Time Delay Relay HRDM3112S
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.

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.

Datasheet

Technical Specifications

  Littelfuse, Inc.
Product Category Electromechanical Relays
Product Number HRDM3112S
Product Name Relay-Output, Recycling Time Delay Relay
Mounting Surface mount with 1 #10 (M5 x 0.8) screw
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