Siemens overload heaters

SMFH heater element which must be installed before the starter will operate. Two speed manual starters are designed for control of small single phase AC motors having separate windings for high and low speed operation. Bimetal Standard Trip (Class 20).

Siemens Industrial Control Products.

It will still require one heater element per overload , based upon the motor current draw.

These are the trip curves for the ESP2and ESP1overload relays.

It also can operate two speed AC, single phase, one or two poles motors.

Solid State ESP20 Class 4 9and 958L. Heater elements to protect motors from . The heater - less overload minimizes the heat trapped in the enclosures, reduces cost for ventilation or cooling. Easily accessi- ble Reset button, provides visible and.

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The units are responsible in the main circuit for overload protection of the assigned electrical loads (e. g.motors), feeder cable and other switching and protection devices in the respective load feeder. Ambient Temperature other than 40˚C.

Please call for appropriate heater elements and for older discontinued units.

If you have questions about what type of overload heater . Direct mounting and stand-alone Main circuit: windows Auxiliary circuit scrw terminal Manual automatic reset . Use SIEMENS IEC overload relays with contactors in the motor starter, overload relays are designed to open the starting circuit and cut the power to the . Set the adjustment dial on the overload to the Full. Overload Relay, Current Range 12. In addition to the markings on the dial there are clicks which allow for extremely fine tuning.

Field Modification Kits see page . We carry heater overload packs from brands like Eaton and Cutler- Hammer so you know that they will protect your system.

Load Amps on the motor nameplate. When you need motor controls, .