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ZW32L-12
Fenarro
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With its compact structure, strong environmental adaptability, and maintenance-free design, it ensures reliable performance in substations, industrial plants, and rural power grids.
Substations – for load current switching, overload protection, and short-circuit protection
Industrial and mining enterprises – for system protection and control
Rural power grids – suitable for frequent switching operations
Distribution networks – as a sectionalizing switch for fault isolation
Smart grid systems – when equipped with a controller, supports distribution automation
Zero-Sequence Protection – Detects single-phase ground faults and isolates them quickly.
Vacuum Interruption – High breaking capacity, arc-free, safe, and reliable.
Automation Ready – With a controller, supports remote monitoring, control, and automation.
Strong Environmental Adaptability – Operates reliably in harsh climates, high humidity, and polluted areas.
Compact & Lightweight Design – Easy for pole-mounted or outdoor installation.
Low Maintenance – No oil or SF6 gas required, eco-friendly and maintenance-free.
Wide Application – Suitable for substations, industrial facilities, and rural networks.
| Serial No. | Item | Unit | Numerical Value |
|---|---|---|---|
| 1 | Rated Voltage | kV | 12 |
| 2 | Rated Frequency | Hz | 50 |
| 3 | Rated Current | A | 630, 1250 |
| 4 | Rated Short - circuit Breaking Current | kA | 20, 25, 31.5 |
| 5 | Rated Peak Withstand Current (Peak Value) | kA | 50 |
| 6 | Rated Short - time Withstand Current | kA | 20, 25, 31.5 |
| 7 | Rated Short - circuit Making Current (Peak Value) | kA | 50 |
| 8 | Mechanical Life | times | 10000 |
| 9 | Number of Rated Short - circuit Breaking Current Operations | times | 30 |
| 10 | Power Frequency Withstand Voltage (1min): Wet (Dry) (Phase - to - phase, Phase - to - ground / Across Contacts) | kV | 42/48 |
| 11 | Lightning Impulse Withstand Voltage (Peak Value) (Phase - to - phase, Phase - to - ground / Across Contacts) | kV | 75/85 |
| 12 | Power Frequency Withstand Voltage of Secondary Circuit (1min) | kV | 2 |
Q1: What is the main advantage of the ZW32L-12 compared to a standard vacuum circuit breaker?
A1: It integrates zero-sequence protection, allowing it to detect and isolate ground faults more effectively.
Q2: Can this breaker be used in smart grid applications?
A2: Yes, when paired with a controller, it supports distribution automation functions such as fault detection, remote monitoring, and automatic switching.
Q3: What type of environments can it operate in?
A3: It is designed to work in harsh climates, including temperatures from -40℃ to +40℃, high humidity, and polluted outdoor conditions.
Q4: Is it suitable for rural power grids?
A4: Absolutely. Its lightweight, reliable, and low-maintenance design makes it ideal for frequent switching in rural networks.
Q5: What installation methods are available?
A5: The breaker is designed for outdoor pole-mounted installation but can also be adapted for substations and sectionalizing applications.
