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Enclosure IP4X; partition between compartments IP2X
Packaging Details
Carton
Payment Terms
L/C,D/A,D/P,T/T,Western Union
Place of Origin
China
ZW32-12 Series Outdoor High Voltage Vacuum Breaker
The ZW32-12 series is a high-performance outdoor vacuum circuit breaker designed for 12kV three-phase power systems (AC 50Hz). Engineered for reliability, it excels in closing and breaking load currents, overcurrents, and short-circuit currents.
Key Advantages & Capabilities
✅ Smart Integration: Equipped with reclosing controllers to identify fault characteristics and automate fault isolation.
✅ Self-Powered System: Features an integrated PT power source, providing voltage and current signal outputs.
✅ Advanced Protection: Electronic PT enables three-stage composite protection, including overcurrent delay, inrush current delay, and short-circuit quick-break.
Technical Specifications
No.
Description
Unit
Parameter
1
Rated voltage
kV
12 / 24
2
Rated current
A
630 - 4000 / 630-3150
3
Rated frequency
Hz
50 / 50
4
Rated busbar current
A
630 - 4000 / 630-3150
5
Power frequency withstand voltage (1min)
kV
Phase to phase/earth: 42/65; Across the isolating distance: 48/79
6
Lightning impulse withstand voltage
kV
Phase to phase/earth: 75/125; Across the isolating distance: 85/145
7
Rated short circuit breaking current
kA
25, 31.5, 40 / 25, 31.5, 40
8
Rated short circuit making current (peak)
kA
63, 80, 100 / 63, 80, 100
9
Rated peak withstand current
kA
63, 80, 100 / 63, 80, 100
10
Rated short time withstand current
kA
25, 31.5, 40 / 25, 31.5, 40
11
During of short circuit
s
4 / 25, 31.5, 40
12
Protection degree
-
Enclosure IP4X; partition between compartments IP2X
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Ecer Certification：
Verified Supplier
Zhejiang Zhongyi Electric Power Technoloay Co.Ltd. is a manufacturer specializing in the production of high-voltae vacuum switches. vacuum extinauishing rooms, composite insulators and composte Zinc Oxide arresters, fuse cutouts, isolating switches. lt is a modern enterprise with high staring point,... Zhejiang Zhongyi Electric Power Technoloay Co.Ltd. is a manufacturer specializing in the production of high-voltae vacuum switches. vacuum extinauishing rooms, composite insulators and composte Zinc Oxide arresters, fuse cutouts, isolating switches. lt is a modern enterprise with high staring point,...
