TeSys K Differential Thermal Overload Relay For 3HP Motors 3.7-5.5A With Class 10A Trip And Phase Unbalance Protection Plug And Play Fit With TeSys K Contactors Built For Smooth Motor Startup And Reliable Protection

LRK Thermal Overload Relay for K-Series Motor Starters
✔️ 3.7-5.5 A trip range, Class 10A, phase unbalance protection, single unit

The LRK overload relay works with K-series contactors to protect 3HP motors by detecting overcurrents and disconnecting power when an overload occurs. It is commonly used in motor starters inside control panels and industrial automation setups.

✅ 3.7-5.5 A adjustable trip rating per Class 10A
✅ DIN rail mounting with a separate LA7K0064 terminal block requirement
✅ Multi-standards certified (IEC, UL, CSA, CCC, EAC) and Green Premium RoHS
✅ Designed for motor protection with phase unbalance protection

💡 What is a thermal overload relay used for in a motor starter with a K-series contactor?

It’s handy for protecting motor windings from overcurrent and preventing damage during startup by automatically disconnecting power when limits are exceeded.

• protects motor windings from overloads in motor starters
• adjustable trip range 3.7-5.5 A with Class 10A protection
• phase unbalance protection improves startup reliability
• DIN rail mounting simplifies control panel installations