1.Product Description
        The XGN2-12 adopts a modular compartment design. The welded enclosure (angle steel/cold-rolled steel plate) comprises four independent compartments:

        Circuit Breaker Compartment: Front-lower section; houses vacuum circuit breakers (e.g., VS1, ZN28 series) with arc-gas pressure relief vents.
        Busbar Compartment: Rear-upper section; delta-configured busbars supported by porcelain insulators (bending strength 7350 N).
        Cable Compartment: Rear-lower section; includes cable racks and voltage indicators for overhead/cable terminations.
        Relay/Control Compartment: Front-upper section; accommodates protection relays, meters, and intelligent controllers; door-integrated status indicators.

        Complies with GB3905 “Five Interlocking Protections” and enables dual-sided maintenance (front: breaker access; rear: busbar/cable access).

2. Functional Capabilities
(1) Core Protection Functions
        Intelligent Protection: Controller supports overcurrent, instantaneous trip, undervoltage release, and auto-reclosing (resets transient faults, locks out permanent faults).
Arc Fault Protection: Pressure relief channels rapidly vent arc gases to limit internal arc damage.

(2) Safety Interlocks (“Five Protections”)
        Prevent load switching of disconnectors.
        Prevent erroneous opening/closing of circuit breakers.
        Prevent energizing with closed earthing switches.
        Prevent closing earthing switches on live circuits.
        Prevent access to live compartments.

(3) Data Management
        Real-time upload of current, voltage, fault records; supports remote SCADA integration.

3.Standard & Optional Configuration

4. Product Features
(1) Structural Advantages
        Compact Layout: Delta busbar arrangement reduces height; 20% smaller footprint vs. conventional switchgear.
        High Reliability: Maintenance-free vacuum interrupters; mechanical endurance >10,000 operations.

(2) Maintenance Efficiency
        Visual Inspection: Observation windows and compartment lighting for real-time status checks.
        Modular Replacement: Integrated breaker-mechanism design enables quick interchange.

(3) Environmental Resilience
        Harsh Conditions: Operational range -40℃ to +40℃ (special design); seismic withstand 8 Richter.
        Robust Enclosure: Segregated compartments + IP2X protection against dust/condensation.

5.Detailed Technical Parameters

Note: Custom designs available for special conditions (e.g., heavy pollution, extreme low temperatures).

Domestic Models & Dimensions
XGN2-12 (Standard) 1100×1200×2650 Conventional distribution
XGN2-12(Z) (Smart) 1100×1200×2650 Remote monitoring/Auto-protection
XGN2-12(G) (High-altitude) 1100×1200×2650 Areas ≤3000 m ASL