ZW32Y-12 Outdoor Permanent Magnetic Vacuum Circuit Breaker

General Introduction

ZW32Y-12/630-20/25 type outdoor permanent magnetic H.V. vacuum on pillar dry circuit breaker (hereinafter referred to as circuit breaker), is the control and protection equipment used in rated voltage 12KV, 50HZ AC three phase high voltage distribution grid.

Mainly used for load current, overload current and short-circuit current breaking, closing in the power lines.

Applied to substation and industrial and mining enterprises in power system used for protection and control purposes.

In accordance with “GB1984 AC high voltage circuit breaker”, “GB1985 high voltage AC disconnectors and earthing switches”, DL/T402, DL/T403 requirements.

Working Conditions

Ambient temperature: upper limit +40℃, lower limit -30℃;

Altitude: ≤2000m;

Wind pressure: not more than 700Pa (corresponding to the wind speed 34m/s);

Earthquake intensity: do not exceed 8 degree;

Pollution grade: III class;

Maximum daily temperature variety less than 25℃.

Model&Meaning

Technical Specification

Outline Drawing

Frequently Asked Questions

What is the advantage of permanent magnetic mechanism?

Permanent magnetic operating mechanisms provide faster response, fewer moving parts, lower maintenance, and longer operational life compared with traditional spring-operated mechanisms.

Can the ZW32Y-12 be used for smart grid applications?

Yes. Optional intelligent controllers support automatic reclosing, remote communication, and SCADA integration for smart distribution automation.

Is the breaker suitable for harsh outdoor environments?

Yes. The fully sealed structure and silicone insulation design provide excellent weather resistance and corrosion protection.