Westinghouse WL-34999C Vacuum Interrupter Unit

Feature & Principle

This vacuum interrupter uses high vacuum sealed chamber to extinguish electric arc rapidly during breaking operation. When contacts separate, the arc will be quenched quickly under vacuum environment, realizing reliable on-off of load current and fault short-circuit current. It provides long service life and stable dielectric performance for medium voltage switchgear.

Specifications

Model: WL-34999C Brand: Westinghouse Rated voltage: 15 kV Rated current: 2000 A Short circuit breaking current: 40 kA Impulse withstand voltage: 95 kV Structure: Ceramic vacuum envelope Mounting: Inside vacuum circuit breaker mechanism Certification: IEC, ANSI

Components & Diagnostics

Ceramic insulating shell, movable and fixed contact, metal shielding cylinder, bellows assembly, end connection terminals. Common faults: vacuum leakage, contact ablation, bellows fatigue damage, insulation decline.

Product Brief

WL-34999C vacuum interrupter, Westinghouse medium voltage switchgear spare widely used for power plant, substation and industrial distribution vacuum circuit breaker maintenance.