HPL IT32 28–40A Thermal Overload Relay (OLR)

The HPL IT32 28–40A Thermal Overload Relay is a reliable motor protection device from HPL Electric & Power Ltd, engineered to safeguard motors and electrical circuits against overload, phase unbalance, and single phasing. Designed for seamless compatibility with HPL 22 AF and 40 AF contactors, this Class 10A OLR ensures quick and accurate tripping using a differential bimetallic mechanism with ambient temperature compensation—making it ideal for demanding industrial environments. ✨ Key Features at a Glance

• Accurate overload protection with differential bimetal mechanism

• Protection against overload, phase unbalance & single phasing

• Ambient temperature compensated tripping

• Sealable cover to prevent tampering

• Built-in auxiliary contacts for signaling & control

✅ Why Choose This Product

The HPL IT32 OLR combines precision, safety, and durability in one compact unit. Its fast Class 10A tripping minimizes motor damage, while flexible mounting and reset options make it installer-friendly. Trusted HPL build quality ensures long-term performance in industrial and commercial motor control panels.

🎯 Ideal For

• Industrial motor protection panels

• Pump, compressor & conveyor systems

• Manufacturing units & process industries

• Electrical control panels using HPL contactors

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❓ FAQs

Q1. Is the HPL IT32 compatible with non-HPL contactors?
It is specifically designed for HPL 22 AF and 40 AF contactors. Compatibility with other brands depends on mounting accessories.

Q2. Can the reset mode be changed after installation?
Yes, the relay allows selection between manual and auto reset modes.

Q3. Does this relay protect against single phasing?
Yes, it provides protection against overload, phase unbalance, and single phasing.