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GE FBL36TE025RV

Product Name:​ GE FBL Series Molded Case Circuit Breaker (MCCB)
Product Overview:​ The FBL36TE025RV is a frame-type molded case circuit breaker from GE’s industrial distribution product line. With a 36 A frame and 25 A trip rating, it provides overcurrent and short-circuit protection in AC 50/60 Hz distribution systems.
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Technical Specifications:
  • Series:​ GE FBL Series MCCB
  • Frame Current (In):​ 36 A
  • Trip Current Rating:​ 25 A
  • Poles:​ 3-pole (3P)
  • Rated Insulation Voltage (Ui):​ 690 VAC
  • Rated Operating Voltage (Ue):​ 250 VAC (per supplier documentation); also rated up to 600 VAC per alternative listing
  • Rated Short-Circuit Breaking Capacity (Icu):​ 25 kA @ 250 VAC (per supplier); 150 kA @ 240 VAC (alternative listing — confirm by model code)
  • Rated Short-Circuit Making Capacity (Icm):​ 50 kA peak
  • Trip Unit Type:​ TE — Thermal-Magnetic
  • Trip Adjustment Range:​ 25–40 A (adjustable)
  • Operating Temperature:​ -25 °C to +70 °C
  • Protection Class:​ IP40 (per IEC 60529)
  • Mechanical Life:​ ≥ 10,000 operations
  • Electrical Life:​ ≥ 5,000 operations
  • Power Loss:​ < 2.5 W per pole (at rated current)
  • Dimensions (W×H×D):​ Approx. 105 mm × 130 mm × 85 mm
  • Weight:​ Approx. 1.2 kg
Material Composition:​ Housing — flame-retardant PBT engineering plastic (UL94 V-0); contacts — silver alloy (AgSnO₂); operating mechanism — stainless steel spring + zinc alloy bracket; terminals — copper alloy (CuZn39Pb3) with tin plating.
Functional Features:​ Thermal-magnetic trip unit provides inverse-time overcurrent (thermal) protection and instantaneous short-circuit (magnetic) protection. Trip current adjustable via knob (0.7×–1.0× rating). Supports front or rear wiring. Optional shunt-trip interface for remote opening. Front-panel ON/OFF/TRIP handle with trip indication.
Performance Parameters:
  • Thermal Trip:​ < 2 h at 1.5×In (cold); 2–8 s at 6×In
  • Magnetic Trip:​ Adjustable 5×–10×In (typical 8×In); < 20 ms at 10×In
Structural Features:​ DIN-rail or screw-fix mounting; transparent protective cover (optional) over the front panel to prevent accidental contact with live parts.
Working Principle:​ During normal operation, current flows through the contacts and thermal-magnetic trip unit. When current exceeds the thermal trip setting, the bimetallic strip bends from heat and triggers the mechanical release for a time-delayed opening. When a short-circuit occurs, the electromagnetic coil generates a high instantaneous force that immediately releases the mechanism, clearing the fault in < 20 ms.
Application Scenarios:​ Overload and short-circuit protection in low-voltage AC distribution panels and Motor Control Centers (MCC).
Installation Requirements:​ Mount on 35 mm DIN rail or via screw fixing. Verify the trip current setting matches the circuit design. Ensure proper torque on terminal connections. Provide adequate clearances for ventilation.
Usage Notes:​ Do not exceed rated voltage (250 VAC per primary documentation, up to 600 VAC per alternative listing — confirm rating by the unit’s nameplate). Perform periodic inspection of contact wear. De-energize the circuit fully before any maintenance. Observe proper personal protective equipment (PPE) when operating.

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