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Thermal magnetic circuit breaker
STTS1 Sentera Thracia

  • thermal magnetic circuit breaker STTS1 Sentera Thracia
The STTS1 transformer speed controllers are based on the principle of voltage control with auto-transformers. They are applicable to voltage-controllable motors (230 Vac, 50/60 Hz) to control the rotational speed (of fans, pumps, etc.) in 5 steps. They are fitted out with TK contacts and a thermo-magnetic circuit breaker for overheating, short circuit and phase failure motor protection.

Switch: 5 positions with off-position
Several voltage ranges possible
Indicator light on/fault
Current fuse
230 Vac unregulated output / max 2A
230 Vac alarm output / max 1A
Motor protection by connecting thermal (overheating) contacts of the motor and/or thermo-magnetic circuit breaker with overload and short circuit tripping, phase failure sensitivity

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