DIN rail-mounted terminal block DTB-X3E50

panel-mountscrew connectionthree-phase

Presentation
Three-pole three-phase terminal block designed for three-phase distribution in electrical panels. Centralizes and distributes power on L1 / L2 / L3 with 2 outputs per pole, reducing intermediate connections and simplifying wiring and maintenance.

Electrical characteristics

• Maximum current: 160 A (Cu) / 145 A (Al)
• Connection: Copper (Cu) or Aluminium (Al)
• Configuration: three-phase, 3 poles (L1 / L2 / L3)
• Primary conductor range: 2.5 to 4 mm² (torque 4 Nm); 6 to 50 mm² (torque 12 Nm)
• Rated voltage: 1000 V AC / 1500 V DC
• Conductive grease: included for optimal contact
• Standard: compliant with EN60947-7-1

Physical characteristics

• Housing: PA66 V0 self-extinguishing, removable cover
• Conductive body: tinned aluminium
• Mounting: DIN rail or surface mounting
• Number of poles: 3 (inputs L1 / L2 / L3)
• Outputs per pole: 2
• Protection: IP20

Features

• Centralizes and distributes three-phase power up to 50 mm².
• 3-pole configuration with double output per pole for distribution to multiple feeders.
• Improves wiring clarity and installation reliability.

Applications

• Three-phase distribution boards
• Industrial control cabinets
• Commercial installations requiring continuous and balanced three-phase supply

Usage instructions

• Cable selection: primary conductor 2.5 to 50 mm², copper or aluminium
• Ferrules: recommended for flexible cables to ensure uniform contact
• Tightening: respect recommended torque by section (4 Nm for 2.5–4 mm²; 12 Nm for 6–50 mm²)
• Mounting: fix on DIN rail or surface-mount according to cabinet layout
• Organization: distribute conductors correctly across the three poles for optimal balance
• Identification: clearly mark L1, L2 and L3 to facilitate operation and maintenance
• Maintenance: regularly check torque and contact cleanliness

Packaging

• Sold individually
• Box: 8 pieces
• Carton: 176 pieces

Technical specifications

• Product reference: DTB-X3E50
• Current: 160 A (Cu) / 145 A (Al)
• Acceptable conductor sections: 2.5 to 50 mm²
• Tightening torques: 4 Nm (2.5–4 mm²); 12 Nm (6–50 mm²)
• Rated voltage: 1000 V AC / 1500 V DC
• Materials: PA66 V0 housing, tinned aluminium conductive body
• Mounting: DIN rail or surface mounting
• Protection degree: IP20
• Standard: EN60947-7-1