FD63T090 - 90Amp Trip Unit

FD63T090 - 90Amp Trip Unit

Choosing the right circuit breaker is about more than just finding the correct amperage. The breaker needs to match the electrical system, provide dependable protection, and handle the demands of the application. The FD63T090 Siemens circuit breaker is a 90 Amp, 3-pole molded case circuit breaker designed for commercial and industrial environments where reliable protection against overloads and short circuits is essential.

Whether you are upgrading an electrical distribution system, replacing an existing breaker, or completing maintenance on industrial equipment, the Siemens FD63T090 90 amp breaker provides a dependable solution.

Key Features and Benefits

• 90 Amp, 3-pole Siemens SENTRON molded case circuit breaker
• Designed for commercial and industrial electrical distribution systems
• Thermal magnetic trip unit provides overload and short-circuit protection
• Rated for 600 VAC applications
• 22kAIC at 600V and 35kAIC at 480V interrupting capacity
• Includes line and load side lugs for simplified installation
• Supports both copper and aluminum conductors
• Accepts 6 AWG–350 kcmil copper wire
• Accepts 4 AWG–350 kcmil aluminum wire
• Siemens FD frame design for compatible electrical equipment
  

Technical Specifications

• Catalog Number: FD63T090
  
• Manufacturer: Siemens
  
• Product Type: Molded Case Circuit Breaker (MCCB)
  
• Series: Siemens SENTRON FD Frame
  
• Frame Size: FD6
  
• Amperage Rating: 90 Amps
  
• Number of Poles: 3
  
• Voltage Rating: 600 VAC
  
• Interrupting Capacity:
  • 22 kAIC at 600V
  • 35 kAIC at 480V
• Trip Unit Type: Thermal Magnetic
  
• Temperature Rating: 40°C Standard
  
• Connection Type: Line and Load Side Lugs Included
  
• Lug Type: TA1FD350A
  
• Wire Range:
  • Copper: 6 AWG–350 kcmil
  • Aluminum: 4 AWG–350 kcmil
• Standards: UL 489 / IEC 60947-2
  
• Dimensions: 4.5 in W x 9.5 in H x 4 in D
  
• Weight: 1.29 lb
  
• UPC: 783643211919
  

Material Compliance and Certifications

The Siemens FD63T090 molded case circuit breaker is designed to meet recognized electrical safety and performance requirements, including UL 489 and IEC 60947-2 standards. These certifications help confirm that the breaker has been evaluated for applications requiring reliable overcurrent protection.

Where It Works Best

• Commercial electrical distribution systems
• Industrial facilities and manufacturing plants
• Three-phase 600V power applications
• Equipment feeder protection
• Electrical panels and distribution assemblies
• Siemens FD frame breaker replacement applications
• Systems requiring 90 amp circuit protection
• Applications using copper or aluminum conductors
• Electrical maintenance and upgrade projects