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Square D 9080GCB20 - Supplementary Protector 20A 480V AC

Square D
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The Square D 9080GCB20 is a supplementary protector designed for branch circuit protection in industrial control panels. It is rated for 480Y/277 VAC and 250 VDC, with a current rating of 20 Amps and an AIC rating of 10 kA at 480V AC. This single-pole, thermal-magnetic trip unit features a compact, DIN-rail mountable design with dimensions of 3.45 in x 3.15 in x 0.5 in and a weight of 0.16 lb. It complies with DIN 57470, UL 1077, and CSA C22.2 No 235 standards, ensuring reliable overcurrent protection. Typical applications include motor control centers, panelboards, and switchboards in industrial environments.

Key Features & Specifications
  • Type: Supplementary Protector, Thermal-Magnetic Trip
  • Voltage Rating: 480Y/277 VAC, 250 VDC
  • Current Rating: 20 Amps
  • Dimensions: 3.45 in (87.63 mm) x 3.15 in (80.01 mm) x 0.5 in (12.7 mm) (Height x Width x Depth)
  • Standards: DIN 57470, UL 1077, CSA C22.2 No 235
  • Applications: Industrial control panels, motor control centers, panelboards, switchboards
  • Switch Type: Single-Pole
  • Configuration: 1 Pole
  • Coil Voltage Maximum: Not applicable (thermal-magnetic)
  • Temp Rating: Not specified
  • Shipping Dimensions: Not specified
  • Phase: 1
  • Voltage: 480Y/277 VAC, 250 VDC
  • Amperage: 20 A
  • AIC rating: 10 kA at 480V AC
  • Connection: Line and Load terminals
  • Poles: 1
  • Protection: Overcurrent
  • Functions: Supplementary protection
  • Frame Size: Not specified
  • Trip Type: Thermal-Magnetic
  • Panel Type: Not specified
  • Breaker Type: Supplementary Protector
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not specified
  • Metal Type: Not specified
  • Panel Style: Not specified
  • Bus Type: Not specified
  • Fuse Class: Not applicable
  • Insulation Temperature: Not specified
  • Inductance: Not specified
  • Impedance: Not specified
  • Barrels: Not specified
  • Class Rating: Not specified
  • Diameter: Not specified
  • Velocity: Not specified
  • Clip Center: Not specified
  • Clas: Not specified
  • Mounting: DIN Rail
  • Hz: 50/60 Hz
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: Not specified
  • CPT: Not specified
  • Full Load Amps: Not specified
  • Dist Voltage: Not specified
  • Bucket Size: Not specified
  • Bucket Style: Not specified
  • Bucket Type: Not specified
  • Full Load Amp Maximum: Not specified
  • Full Load Amp Minimum: Not specified
  • Enclosure: Not specified
  • Relay Style: Not specified
  • Coil Voltage Minimum: Not applicable
  • Wire: Not specified
  • Amperage Maximum: 20 A
  • Amperage Minimum: Not specified
  • Nema Rating: Not specified
  • Switch Style: Not specified
  • Wire Size: Not specified
  • Certification: UL 1077, CSA C22.2 No 235
  • Circuit Breaker Mounting Style: DIN Rail
  • Terminal Connection: Screw terminals
  • Frequency Rating: 50/60 Hz
  • Phase Connection: Single-phase
  • Standards: DIN 57470, UL 1077, CSA C22.2 No 235
  • Compatible Frames: Not specified
  • Installation Type: DIN Rail
  • Item QTY: 1
  • Nema Starter Size: Not specified
  • Breaker Frame: Not specified
  • Current Rating: 20 A
  • Reverse Standoff Voltage: Not specified
  • Watts: Not specified
  • Peak Pulse Current: Not specified
  • Breakdown Voltage (MIN VBR@IT ) (V): Not specified
  • Breakdown Voltage (VBR@IT) (V): Not specified
  • Polarity: Not specified
  • Operating Temperature Maximum Celsius: Not specified
  • Max Clamp Voltage: Not specified
  • On-State Current: Not specified


Product Identification
  • UPC: 078590148105
  • GTIN: 00785901481058