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BA 9038

Thermistor Motor Protection Relay

BA 9038

Contacts

Auxiliary voltage

Variant

  • 0026685
  • BA9038.11 AC50/60HZ 230V
The thermistor motor protection relay BA 9038 is used to protect against thermal overload of... more

Product description

The thermistor motor protection relay BA 9038 is used to protect against thermal overload of motors caused by high switching frequency, havy duty starting, phase failure on one phase, bad cooling, high ambient temperature. Also the temperature monitoring of bearings, transmissions, oil and cooling liquids is possible. Up to six thermistors can be connected via the input.

Technical specifications

Width: 45 mm
Measuring range max.: > 3 kΩ
Auxiliary voltage: AC, AC/DC
Classification: Thermistor-Motorschutz
Output contacts: 1 C/O contact, 2 C/O contacts
Enclosure design: Switch cabinet
Type: BA 9038

Advantages

  • Reliable temperature monitoring of motors

Features

  • According to IEC/EN 60947-8
  • 1 input for PTC-resistors or bimetal contacts
  • Broken wire detection in sensor circuit
  • Optionally with no voltage reclosing interlock
  • Closed circuit operation
  • 1 or 2 changeover contacts
  • Width 45 mm