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Thermal Overload Relay LR2-D33 (23–32A) – Motor Protection Relay with 1NO/1NC, IEC Rated, DIN Rail Mount

Shopcorp Thermal Overload Relay LR2-D33 (23-32A) - Motor Protection Relay with 1NO/1NC, IEC Rated, DIN Rail Mount

Rated 4.5 out of 5
Based on 8 reviews
$21.99 - $21.99
$21.99
$21.99 - $21.99
$21.99
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Technical Specifications

- Model: LR2-D33
- Type: Thermal Overload Relay
- Amp Range: 23–32A
- Auxiliary Contacts: 1NO + 1NC
- Rated Voltage: Up to 660V AC
- Protection: Overload & phase-failure protection
- Compensation: Thermal & temperature compensation
- Reset Options: Manual / Automatic
- Mounting: 35 mm DIN rail
- Compatibility: LC1-D series AC contactors
- Dimensions: Approx. 93 × 55 × 64 mm (L × W × H)
- Housing: Industrial-grade construction
- Mechanical Endurance: High-cycle durability for industrial use
- Wiring: Screw-type terminals
- Certifications: IEC/EN compliant, CE certified
- Applications: HVAC compressors, pumps, fans, conveyors, refrigeration systems, industrial motors

About the Product

Overview – Heavy-Duty Overload Protection for Industrial Motors
The Shopcorp LR2-D23 Thermal Overload Relay (23–32A) is built for reliable protection against overload, overheating, and phase failure in HVAC systems, industrial motors, and automation equipment. Designed for compatibility with LC1-D contactors, it delivers precise trip performance and long-term operational stability.

High-Capacity Relay for HVAC, Compressors & Motor Loads
With a 23–32A protection range, this overload relay is ideal for medium and large horsepower motors used in pumps, fans, compressors, conveyors, and industrial machinery. Thermal and temperature compensation ensures consistent trip accuracy under changing ambient conditions.

Compact, Durable & DIN Rail Ready
Engineered for space-efficient panel integration, the LR2-D23 features a robust body measuring 93 × 55 × 64 mm and mounts quickly on standard DIN rails. Its 1NO + 1NC auxiliary contacts provide reliable status signaling for automation circuits, safety interlocks, and control panels.

IEC-Compliant Motor Protection
Designed with high-quality materials for industrial durability, this overload relay meets IEC performance and safety standards—ensuring dependable protection and long mechanical service life in demanding motor applications.

SKU B0G26M9Q24

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average rating 4.5 out of 5
Based on 8 reviews
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Reviewed by Hugo B.
Rated 5 out of 5
Review posted

Good protection upgrade for aging equipment

I switched out an older relay in a workshop ventilator system and the improvement in response was immediate. Feels like a modern upgrade. Easy to test and reset. Great price for the protection it brings.

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Reviewed by Miriam C.
Rated 5 out of 5
Review posted

Excellent compatibility with LC1-D

As an electrician, compatibility saves me time. This unit clicked into the contactor perfectly and the auxiliary contacts gave me clean feedback for the automation panel. Great performance so far in a refrigeration system.

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Reviewed by Lucian D.
Rated 5 out of 5
Review posted

Reliable solution for pumps and fans

I used this on a pump motor that kept running hot. Since installing the LR2-D33, the trips have been accurate and the motor runs within a safer range. The build quality feels solid and meant for industrial environments.

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Reviewed by Brianna L.
Rated 5 out of 5
Review posted

Great for heavy-duty HVAC jobs

I installed this LR2-D33 relay on a 3-phase HVAC system at a commercial site. It communicates perfectly with the LC1-D contactor and keeps the compressor safe under load variations. The reset switch is smooth and trips only when it should. Absolutely trustworthy for motor protection.

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Reviewed by Daphne C.
Rated 4 out of 5
Review posted

Industrial-grade reliability

I was impressed by how well this relay handles varying ambient conditions. Thermal compensation keeps it accurate even on hot days inside mechanical rooms. It is a powerful, properly designed overload relay.

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