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GE SGHH36BA0400

  • Product Name: GE SGHH Series Air Circuit Breaker (ACB)
  • Product Overview: A 3600 A frame-class air circuit breaker with 400 A rating, equipped with an electronic intelligent trip unit for comprehensive protection in low-voltage power distribution.
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Detailed content

  • Technical Specifications:
    • Frame Current (In): 3600 A
    • Rated Current (Ir): 400 A
    • Poles: 3-pole (4-pole optional)
    • Rated Operating Voltage (Ue): 690 V AC (50/60 Hz)
    • Rated Insulation Voltage (Ui): 1000 V AC
    • Rated Impulse Withstand Voltage (Uimp): 8 kV
    • Short-circuit Breaking Capacity (Icu): 65 kA @ 690 V AC
    • Service Breaking Capacity (Ics): 50 kA @ 690 V AC
    • Trip Unit: Electronic intelligent (Micrologic series)
    • Protection Functions: L (overload, 0.4–1.0× Ir, adjustable), S (short-circuit short-delay, 1.5–10× Ir, 0.1–0.4 s), I (instantaneous, 1.5–15× Ir, ≤20 ms), G (ground fault, 0.2–1.0× Ir)
    • Auxiliary Contacts: Up to 4 groups (NO/NC configurable)
    • Operator: Electric spring-storage + manual + electric close/open
    • Operating Temperature: –5°C to +40°C
    • Protection Rating: IP40 (front wiring) / IP20 (rear wiring)
    • Mounting: Vertical or horizontal (optional)
    • Dimensions (W×H×D): approx. 360 mm × 600 mm × 280 mm (3-pole)
    • Weight: approx. 55 kg (3-pole)
  • Functional Features: Electronic trip unit with front-panel knob or communication-based setting; Zone Selective Interlock (ZSI); fault waveform recording; self-diagnostic; electric operation for remote switching; pre-alarm function; Modbus RTU / Profibus DP communication support.
  • Structural & Material Features:
    • Housing: Flame-retardant engineering plastic (UL94 V-0) + steel plate frame
    • Arc chute: Multi-break series arc-quenching with magnetic blow-out
    • Contacts: Silver alloy (Cd-free eco type)
    • Operating springs: Stainless steel (SUS301)
    • Terminals: Tin-plated copper alloy
    • Front panel: LCD display, 4 LEDs, 6 keys, setting knobs
  • Working Principle: The electronic trip unit acquires current signals via CT, and a DSP processor calculates all protection values in real time.
  • Application Scenarios: Low-voltage power distribution systems requiring high breaking capacity and intelligent protection.
  • Installation & Use Notes: Install vertically or horizontally per design. Ensure proper wiring torque on main terminals. Configure protection parameters only by qualified personnel.

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