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IAM 24 Store



Technical Data

Width: 45 mm
1- / 3-phase: 1, 3
Measuring range max.: 10 A
Operate delay: Yes
Auxiliary voltage: Without, AC
Output contacts: 1 C/O contact, 1 NO contact
Enclosure design: Switch cabinet
Type: BA 9065


The underload monitor BA 9065 measures the phase shift between voltage and current. The phase angle changes with changing load. This measuring method is suitable to monitor asynchronous motors on underload and no load independent of motor size. The change of cos ϕ has to be bigger then the hysteresis of the monitor. In some cases the cos ϕ does not change much with load change on the motor.

Monitors underload and no load on squirrel cage motors e.g.

- fan monitoring (broken belt)
- filter monitoring (blocked filter)
- pump monitoring (blocked valve, dry running)

Datasheet: Click here

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