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CBI QL29MS20 - Hydraulic-Magnetic Circuit Breaker 20A 2-Pole (120/240VAC)

United Fuses
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CBI QL29MS20 is a 2-pole hydraulic-magnetic circuit breaker engineered for precise overcurrent protection in electrical distribution systems. It is rated for 20 amps at 120/240 volts AC with a 10,000 amp interrupting capacity, and its hydraulic-magnetic trip technology ensures reliable performance independent of ambient temperature. The breaker features a dual-mount design compatible with both DIN and mini rails, weighs 5.19 lb, and measures approximately 3.8 inches in height, 0.51 inches in width, and 2.7 inches in depth. It is certified to UL 489, CSA, CE, and VDE standards, and is suitable for industrial and commercial electrical distribution applications.

Key Features & Specifications
  • Type: Hydraulic-Magnetic Circuit Breaker
  • Amperage: 20 A
  • Voltage: 120/240 VAC
  • Poles: 2
  • Mounting Type: Dual mount (DIN rail and mini rail)
  • Interrupt Rating: 10,000 A
  • Trip Unit: Hydraulic-Magnetic
  • Series/Frame: QL Series
  • Certifications: UL 489, CSA, CE, VDE
  • Time Delay Curves: 1, 9, KM
  • Operating Temperature: -40°F to 140°F (-40°C to 60°C)
  • Dimensions: Approx. 3.8"H x 0.51"W x 2.7"D
  • Weight: 5.19 lb