New LRD-33 thermal overload relay for NLC1 contactor
LR-D series thermal relay can be used in the circuit of 50Hz or 60Hz, rated insulation voltage 660V, rated current 0.1-93A for protecting the phase break when the electric motor is overload.
The relay has different mechanism and temperature compensation& can be pluged in LC1 series AC contactor.
A. Fundamental parameter of the main circuit
Rated insulation voltage 660V;
Rated working current 25, 36, 93A separately;
The regulator seal of rate setting current and setting.
Current of the thermal component
B. Auxiliary circuit
There is a pair of NO and NC contact with electric insulation;
Rated insulation voltage 500V;
Rated frequency 50-60Hz;
Use group, rated working voltage, appoint thermal current and rated current.LR-D Thermal overload relay Technical Data
| Type | Rated working current of
thermal relay | Thermal component
Scale of rated current(A) | | | LRD-33 | 36 | 2353 | 23.0-32.0 | | | 2255 | 28.0-36.0 | | | LRD-63 | 93 | 3353 | 23.0-32.0 | | | 3355 | 30.0-40.0 | | | 3357 | 37.0-50.0 | | | 3359 | 48.0-65.0 | | | 3361 | 55.0-70.0 | | | 3363 | 63.0-80.0 | | | 3365 | 80.0-93.0 | |
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The under is our workshop, all contactors and thermal relays are good assembled and tested before ship.
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