| Main circuit | Rated working voltage | 380V（440V） | Auxiliary circuit | Rated working voltage | 380V |
| Rated working current | 32A, 63A, 100A | Rated working current | 2.5A | ||
| Agreed heating current | 32A, 63A, 100A | Agreed heating current | 10A | ||
| Usage category | AC-2 | Usage category | AC-15 | ||
| Electrical lifespan | 75000 times | Electrical lifespan | 1 million times | ||
| Rated insulation voltage | 500V | Handle operating force | Not exceeding 50N | ||
| Rated operating frequency | 600 times/h | Maximum number of control gears | 6 | ||
| Mechanical life | 1.5 million times | Maximum number of control loops | 17（21） | ||
KTJ17 cam controller
Standards
- GB 14048.1 General Requirements for Low-voltage Switchgear and Controlgear
- GB 14048.5 Low-voltage Switchgear and Controlgear — Part 5 – 1
- JB/T 6748 Crane Control Consoles
Scope of Application
The KTJ series of AC cam controllers are suitable for use in main circuits with an alternating current of 50 Hz (60 Hz) and a rated operating voltage of 380 V (440 V) or less. They are used to change the resistance value in the stator circuit of wound – rotor motors, thereby controlling the starting, speed regulation, operation, and reversing of the motors.
Structural Features
In this product series, the KTJ15A series of AC cam controllers are developed based on the KTJ15 series, which was a nationally unified – designed product organized by the former Ministry of Machine – Building Industry with our company’s participation. Taking into account the advantages of our company’s contacts and the actual usage requirements of customers, we’ve improved the internal contact structure. This enhancement makes the structure more rational, prolongs the service life, and boosts the reliability of the product while keeping the external dimensions intact.
The KTJ17 series of AC cam controllers are optimized versions of the KTJ15A series. Through the optimization process, the height of the product has been effectively reduced, thus providing a more comfortable operating experience.
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