Product Overview
ZR3R series thermal overload relays are designed for AC motor control circuits and can be used together with AC contactors to provide overload protection, phase failure protection, temperature compensation, and manual reset. The product covers a wide range of current adjustments, suitable for industrial control cabinets, equipment control, and motor protection systems.
Key Parameters
- Frame size: 25, 32, 93
- Current adjustment range: 0.10A~93A, choose according to specs
- Rated operating voltage: AC380V
- Rated insulation voltage: AC660V
- Auxiliary contacts: 1NO 1NC
- Reset method: manual reset
- Mounting method: plug-in / standalone
- Standards: GB/T 14048.4, IEC 60947-4-1
Features
- Suitable for motor overload and phase failure protection.
- Comes with temperature compensation, trip indication, and reset button.
- Can be used with ZR3C series AC