Crouse-Hinds NBR53742WT203 - 200A 3-Pole MCCB 600V
Crouse-Hinds NBR53742WT203 - 200A 3-Pole MCCB 600V

Crouse-Hinds NBR53742WT203 - 200A 3-Pole MCCB 600V

Crouse-Hinds
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The Crouse-Hinds NBR53742WT203 is a heavy-duty industrial circuit breaker designed for overcurrent protection in demanding electrical distribution systems. This unit is rated for a maximum voltage of 600V AC and a continuous current of 200A, providing reliable fault interruption. Constructed with a robust thermoplastic housing, it weighs 5.19 lb and features a compact frame for panelboard installation. The breaker complies with UL 489 and CSA standards, ensuring safe operation in commercial and industrial environments. Typical applications include motor control centers, lighting panels, and branch circuit protection in manufacturing facilities.

Key Features & Specifications
  • Type: Industrial molded case circuit breaker, thermal-magnetic trip
  • Voltage Rating: 600V AC
  • Current Rating: 200A
  • Dimensions: Standard 3-pole frame size
  • Standards: UL 489, CSA C22.2 No. 5
  • Applications: Branch circuit protection, motor control centers, lighting panels
  • Switch Type: Toggle handle
  • Configuration: 3-pole
  • Coil Voltage Maximum: Not applicable (thermal-magnetic)
  • Temp Rating: 40°C ambient
  • Shipping Dimensions: 6 x 4 x 4 inches (approx.)
  • Phase: 3-phase
  • Voltage: 600V AC
  • Amperage: 200A
  • AIC rating: 25kA @ 480V
  • Connection: Line and load lugs
  • Poles: 3
  • Protection: Overload and short circuit
  • Functions: Thermal-magnetic trip
  • Frame Size: NBR frame
  • Trip Type: Thermal-magnetic
  • Panel Type: Panelboard
  • Breaker Type: Molded case
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: 4/0 AWG max
  • Metal Type: Copper alloy contacts
  • Panel Style: Flush mount
  • Bus Type: Plug-on
  • Fuse Class: Not applicable
  • Insulation Temperature: 105°C
  • Inductance: Not specified
  • Impedance: Not specified
  • Barrels: 1 per pole
  • Class Rating: Not applicable
  • Diameter: Not applicable
  • Velocity: Not applicable
  • Clip Center: 1.5 inches
  • Clas: Not applicable
  • Mounting: Panelboard plug-on
  • Hz: 50/60 Hz
  • Coil Material: Not applicable
  • Horse Power: 100 HP @ 480V
  • Aux Contacts: Not included
  • CPT: Not included
  • Full Load Amps: 200A
  • Dist Voltage: 600V
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 200A
  • Full Load Amp Minimum: 0A
  • Enclosure: Open type
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Copper or aluminum
  • Amperage Maximum: 200A
  • Amperage Minimum: 0A
  • Nema Rating: Not applicable
  • Switch Style: Toggle
  • Wire Size: 14 AWG to 4/0 AWG
  • Certification: UL, CSA
  • Circuit Breaker Mounting Style: Plug-on
  • Terminal Connection: Lug type
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-phase
  • Standards: UL 489, CSA
  • Compatible Frames: NBR series
  • Installation Type: Panelboard
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: NBR
  • Current Rating: 200A
  • Reverse Standoff Voltage: Not applicable
  • Watts: Not specified
  • Peak Pulse Current: Not applicable
  • Breakdown Voltage (MIN VBR@IT ) (V): Not applicable
  • Breakdown Voltage (VBR@IT) (V): Not applicable
  • Polarity: Not applicable
  • Operating Temperature Maximum Celsius: 40°C
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


Product Identification
  • UPC: 78227413489
  • GTIN: 00782274134895