Power distributor DDB-XB400 series

IP20DIN rail

Overview
Single-pole 400 A busbar distributors with 5 to 12 outputs for circuit breaker outlets. Solution for high-power electrical distribution in industrial and commercial installations, designed to simplify wiring and maintenance.

Detailed characteristics

• Electrical:
  • Rated current : 400 A
  • Insulation voltage : 1000 V
  • Available configurations : 5 outputs – 25 mm²; 6 outputs – 16 mm²; 9 outputs – 16 mm²; 12 outputs – combination 6x16 mm² + 6x10 mm²
  • Short-circuit withstand : Ipk 51 kA / Icw 24.5 kA

Physical

• Conductor : high-conductivity tinned copper
• Enclosure : thermoplastic UL94-V0
• Color : RAL7035 grey
• Connection : direct at molded circuit breaker output
• Mounting : DIN rail, surface-mounted or direct plate fixing
• Degree of protection : IP20
• Identification : area provided for a colour marker to identify each distributed conductor

Functionalities

• Distributes high-power supply to multiple outgoing circuits.
• Allows direct connection at the circuit breaker output to simplify wiring and reduce intermediate connections.
• Designed to improve reliability and continuity of service in distribution panels and electrical cabinets.

Applications

• Industrial and commercial installations with high current requirements.
• Distribution panels and electrical cabinets requiring multiple outgoing circuits, simplified maintenance and future expansion.

Usage recommendations

• Verify cable cross-section compatibility with distributor terminals.
• Respect recommended tightening torques for each connection type.
• Correctly identify each outgoing circuit using the marking areas.
• Choose the configuration according to power needs and number of outputs.
• Periodically check connections to prevent overheating.

Variants and ordering codes
Order code | Primary current | Number of outputs | Stock status
DDB-5B400 | 400 A | 5 | in stock
DDB-6B400 | 400 A | 6 | in stock
DDB-9B400 | 400 A | 9 | in stock
DDB-12B400 | 400 A | 12 | in stock

Download area (document mentioned)
Range of busbar distributors (product brochure, PDF).

Associated products / Accessories

• Colour markers (areas provided for marking/identification of outputs)

technical specifications

• Rated current: 400 A
• Insulation voltage: 1000 V
• Short-circuit withstand: Ipk 51 kA / Icw 24.5 kA
• Configurations: 5, 6, 9 or 12 outputs (cable sections according to variant)
• Conductor: tinned copper
• Enclosure: thermoplastic UL94-V0, RAL7035 grey
• Mounting: DIN rail, surface-mounted or plate fixing
• Degree of protection: IP20
• Connection: direct at molded circuit breaker output