thermistor motor protection

Eaton EMT6 Thermistor Motor Protection Rlay

The Eaton EMT6 thermistor motor protection relay from Eaton’s Moeller series protects equipment against over-temperatures caused by heavy starting duties, braking, undervoltages, overvoltages, and high switching frequencies. The temperature is monitored by means of a thermistor sensor located directly at the motor winding. The EMT6 is also suitable for monitoring the temperatures of motor bearings, gearboxes, oils and coolants.

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Features

  • UL/CSA and CCC approvals
  • The K version is ATEX certified

 

Application

  • Motor protection and control for a variety of drives
  • Application-specific standard configurations resulting in a shorter relay setup and commissioning time
  • Preconfigured solutions for utility distribution and industrial applications

 

Specification

        General XTOD/XTOG
Standards IEC/EN 60947, GB 14048
Climatic Proofing Damp heat, constant, to IEC60068-2-78

Damp heat, cyclic, to IEC60068-2-30
Ambient temperature
Open °C -25~55
Enclosed °C -25~40
Temperature compensation °C -5~40
Weight kg 0.15
Protection type IP20
 

Main contacts

  

XTOD/XTOG
Rated impulse withstand voltage Uimp VAC 6000
Overvoltage category/pollution degree III/3
Rated insulation voltage
AC Ui VAC 690
Rated operational voltage Ue VAC 690
Overload release setting range A 0.1-97
Terminal capacity

Solid

  

mm2

  

1 x (1-6)
2 x (1-6)
Flexible with ferrule mm2 1 x (1-6)

2 x (1-6)
Solid/stranded AWG
Terminal screw M4
Tightening torque Nm 1.2
 

Auxiliary and control circuits

  

 

XTOD/XTOG
Rated impulse withstand voltage Uimp V 6000
Overvoltage category/pollution degree III/3
Terminal capacity

Solid

  

mm2

  

1 x (1-6)
2 x (1-6)
Flexible with ferrule mm2 1 x (1-6)

2 x (1-6)
Solid/stranded AWG
Terminal screw M3.5
Tightening torque Nm 0.8
Rated insulation voltage Ui VAC 690
Rated operational voltage Ue VAC 690
Conventional thermal current Ith A 10
Rated operational current
AC-15

120V

  

Ie

  

A

  

6
220/240V Ie A 3
380V Ie A 1.9
480V Ie A 1.5
500V Ie A 1.4
600V Ie A 1.2
DC-13
125V Ie A 0.55
250V Ie A 0.27

 

 

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