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Class CB Automatic Transfer Switch with Overcurrent Release and Rated Current WATSN-800
Class CB
ATSE with overcurrent release
Its main contact can be closed and used to break short-circuit
current
WATSN series automatic transfer switch is a class CB automatic
transfer switch if it
adopts a circuit breaker with overcurrent release as the actuator.
With selective
protective function, it can provide short-circuit and overload
protection for
downstream loads and cables. Its making and breaking capacity is
significantly
higher than other components such as contactors and relays.
Model and specification Electrical characteristics determined
according to IEC 60947-6-1&GB14048.11 | WATSN-800 | WATSN-1000 | WATSN-1250 | WATSN-1600 | |||
Number of poles | 34 | 3,4 | 34 | 34 | |||
Controller | |||||||
Type A | ■ | ■ | ■ | ■ | |||
Type B | ■ | ■ | ■ | ||||
Type D | |||||||
Actuation component | NS-N,NS-H | ||||||
Rated current (A) | In | 800 | 1000 | 1250 | 1600 | ||
Rated insulation voltage V) | Ui | 800 | 800 | 800 | 800 | ||
Rated impulse withstand voltage (kV) | Uimf | 8 | 8 | 8 | 8 | ||
Rated operation vottage (V) | Ue | AC50Hz | 415 | 415 | 415 | 415 | |
Ultimate breaking capacity | Icu | AC50Hz | 220/240V | 50/70 | 50/70 | 50/70 | 50/70 |
(kA effective value) | 380/415V | 50/70 | 50/70 | 50/70 | 50/70 | ||
Operation breaking capacity | Ics | (%lcu) | 75% | 75% | 75% | 75% | |
Isolation function | ■ | ■ | ■ | ■ | |||
Mechanical endurance | (“) | 10000 | 10000 | 10000 | 10000 | ||
Electrical endurance | (“) | AC50Hz 440V-In | 5000 | 5000 | 4000 | 2000 | |
Minimum contact transfer time | (**) | S | 2.5 | 2.5 | 2.5 | 2.5 | |
Protection and measurement | |||||||
Interchangeable control unit | Common release (standard) | Mic2.0 | Mic2.0 | Mic2.0 | Mic2.0 | ||
Common release (standard) | Mic5.0 | Mic5.0 | Mic5.0 | Mic5.0 | |||
Installation and connection | |||||||
Fixation /Panel front connection | (***) | ■ | ■ | ■ | |||
Monitoring and indication auxiliary device | |||||||
Position feedback signal | ■ | ■ | ■ | ||||
Fire protection linkage function | ■ | ■ | ■ | ||||
Alarm feedback signal | ■ | ■ | ■ |