Structure and performance
The GN□-12D cable-side grounding disconnector has a novel structure and is a new type of disconnector independently developed by the company. The moving and static contacts are installed on two parallel insulators. It has small installation space, convenient busbar connection, obvious fracture, and is suitable for various installation heights. Grounding on the side of separate and protective outgoing cables.
The main technical parameters
| Model Specifications | GN□-12D/630 | GN□-12D/1250 | |
| Rated voltage (kV) | 12 | ||
| Rated current (A) | 630 | 1250 | |
| 4s short-time withstand current (kA) | 20 | 31.5 | |
| Rated peak withstand current (kA) | 50 | 80 | |
| Rated insulation level | Lightning impulse voltage (kV) | Phase-to-phase, relative to ground 42, fracture 48 | |
| 1min power frequency withstand voltage (kV) | Phase, relative to 75, fracture 85 | ||
Shape and installation dimensions
> What are the four types of timer switches?
A time switch, often simply referred to as a timer, is a device that automatically controls when an electrical circuit is turned on or off. It's like a programmable ...
> Can You Replace a 10 Amp Breaker with a 20 Amp Breaker?
Replacing a 10-amp circuit breaker with a 20-amp one without a thorough professional evaluation is extremely dangerous and poses a significant fire hazard. Let's ana...
> What Makes a Circuit Breaker Essential for Home Electrical Safety?
Home electrical safety ranks high on every homeowner’s priority list, yet many overlook the quiet workhorse that prevents crises before they start. This device acts ...
> What Scenarios Require the Use of a Residual Current Circuit Breaker?
Electrical safety is a top priority in daily life and work, yet many people are unsure when to use a device that guards against electric shock. This article explains...