The CLW32 / 12 kV – 36 kV series is an advanced outdoor vacuum recloser designed for three-phase AC 50 / 60 Hz systems, with voltage ratings of 12 kV, 17.5 kV, 24 kV and 36 kV. Ideal for overhead distribution lines and substations, it efficiently switches load, overload, and short-circuit currents.
Featuring comprehensive protection, measurement, signaling, and control capabilities, it supports adjustable auto-reclosing up to three times. Compliant with IEC62271-111:2012 and international standards, it ensures reliable performance in diverse grid applications.
Features of Product
Product Structure
- Three-phase pillar design: Compact size for easy installation.
- Outdoor epoxy resin pillars: Equipped with built-in current transformers.
- Current transformers: Installed on each phase pillar, with optional external connections.
- Vacuum interrupter: Utilizes longitudinal magnetic field technology.
- Manual quick switch: Integrated into the operating mechanism.
Performance Features
- Electrical performance: Partial discharge <10 pC.
- Breaking capacity: Longitudinal magnetic field ensures reliable and stable interruption.
- Reliability: Monostable permanent magnet operating mechanism minimizes moving parts, reducing maintenance.
- Environmental resistance: Stainless steel exterior printing enhances corrosion resistance in harsh conditions.
Functional Modules
- Power system: Supports battery charging; input range 165–265 VAC, 50/60 Hz.
- Core unit: Includes HMI (human-machine interface), communication, sampling, and operation logic.
- Driver unit: Controls the open/close operations of CLW32-12/24 kV switches.
Protection Functions
- Overcurrent protection
- Zero-sequence ground protection
- Directional zero-sequence ground protection
- Under-voltage/over-voltage protection
- Auto-reclosing function
Controller Features
- Backup power: Supports >300 switching operations or 48 hours of continuous operation during power outages.
- Smart functions: Event logging, fault recording, real-time measurement, and remote communication.
Technical Parameters
| Rated Voltage (Un) | kV | 12 | 24 | 36 | |
| Rated Frequency | Hz | 50 / 60 | 50 / 60 | 50 / 60 | |
| Rated Current | A | 630 / 1250 | 630 / 1250 | 630 / 1250 | |
| Rated Short Circuit Breaking Current | kA | 20 | 20 | 20 | |
| Rated Short-circuit Making Current (Peak) | kA | 50 | 50 | 50 | |
| Rated Peak Withstand Current | kA | 50 | 50 | 50 | |
| Rated Short Time Withstand Current | kA | 20 | 20 | 20 | |
| Rated Duration of Shor-circuit | s | 3 | 3 | 3 | |
| Rated Short-circuit Current Breaking Time | times | 30 | 30 | 30 | |
| Rated Insulation Level | Power Frequency Withstand Voltage 1min | kV | 28 / 32 | 50 / 60 | 70 / 80 |
| Lightning Impulse Withstand Voltage (Peak) | kV | 75 / 86 | 125 / 145 | 170 / 195 | |
| Rated Operating Sequence | O-0.2s-CO-2s-CO-5s-CO | ||||
| Mechanical Life | times | 10000 | |||
| Standard：IEC62271-111:2012 | |||||
Outling Dimension (mm)
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Title: Recloser【EN】_V1.2
file size: 691.52 KB
published: 16 Dec, 2025
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