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YT1-25ZC/4 Electro Hydraulic Thrusters
YT1-25ZC/4 is a 250 N, 40 mm stroke electro‑hydraulic thruster for medium spring‑applied brakes. Class B, 0.06 kW, 380V/50Hz. Ideal for light cranes, conveyors, and general industrial machinery.
Description
YT1-25ZC/4 electro hydraulic thrusters
YT1-25ZC/4 is a compact, medium‑size electro‑hydraulic thruster (also called an electro‑hydraulic pusher) from the YT1 series, widely used to actuate spring‑return drum/disc brakes (e.g., YWZ, YWZB series).
YT1: Series code for electro‑hydraulic thruster
25: Rated thrust 250 N (≈25 kgf)
ZC: Structure code (with load spring, vertical mounting)
4: Rated stroke 40 mm
Products Description
2. Working Principle
Power ON (Release): Built‑in motor drives a centrifugal pump, generating hydraulic pressure to extend the push rod with 250 N force, overcoming the brake spring and releasing the brake.
Power OFF (Brake): Motor stops, pressure drops, and the brake's spring retracts the rod, applying the brake (fail‑safe).
3. Key Technical Parameters
表格
| Item | Specification |
|---|---|
| Rated Thrust | 250 N (25 kgf) |
| Rated Stroke | 40 mm |
| Motor Power | 0.06 kW |
| Rated Voltage | AC380V/50Hz (3‑phase) |
| Insulation Class | B |
| Protection Class | IP54 |
| Action Time (Up/Down) | ≈0.6 s / 0.4 s |
| Max Operating Frequency | 720 cycles/h |
| Ambient Temperature | ‑20℃ ~ +45℃ |
| Weight | Approx. 14 kg |
4. Core Features
- Fail‑safe: Power loss = brake applied; critical for hoists, conveyors.
- Compact & light: Small size, 14 kg, easy to mount on medium brakes.
- Durable: IP54 + Class B insulation; reliable in dust/moisture.
- Fast response: Quick on/off for frequent cycling (720 cycles/h).
- Vertical mounting: Standard rod‑up installation.
5. Typical Applications
- Drum brakes: YWZ2, YWZ4, YWZB series (medium‑size brakes).
- Light cranes & hoists: Parking and emergency stopping.
- Conveyors & winches: Speed control and holding.
- Textile & woodworking machinery: General braking.
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