Description
The Schneider Electric (Square D) LRD3361 is a thermal overload relay engineered to provide dependable motor protection across a wide range of commercial and industrial HVAC applications. Designed for use with TeSys D-series contactors, this overload relay offers precise current adjustment and automatic or manual reset capability, making it an ideal solution for protecting motors from overload, phase loss, and phase imbalance conditions.
Product Overview
The LRD3361 covers a current setting range of 55 to 70 amps, making it well-suited for larger motor loads commonly found in commercial HVAC systems, chillers, air handlers, and pump applications. Its bimetallic thermal sensing technology ensures consistent, reliable trip response proportional to motor heating, helping extend motor life and reduce unplanned downtime.
Key Features
- Current setting range: 55–70A
- Compatible with Schneider Electric TeSys D-series contactors (LC1-D series)
- Automatic and manual reset modes
- Phase loss and phase imbalance sensitivity
- Bimetallic thermal overload protection
- Integrated test and stop functions
- Screw-clamp terminal connections for secure wiring
- Compact, direct-mount design for panel space efficiency
Specifications
- Brand: Schneider Electric (Square D)
- Model / SKU: LRD3361
- Current Range: 55–70A
- Series: TeSys LRD
- Mounting: Direct mount to TeSys D contactor
- Reset: Manual / Automatic selectable
- Protection: Overload, phase loss, phase imbalance
Applications
- Commercial HVAC motor starters
- Chiller and air handler motor protection
- Hydronic pump motor control panels
- Industrial motor control centers (MCCs)
- Fan and blower motor protection circuits
Trust Schneider Electric’s proven TeSys platform for robust, code-compliant motor overload protection. Order the LRD3361 from Jackson Systems for reliable availability and expert support.
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