Phoenix Contact 3270221 PTRVB 4-FI /BU Potential distributors nominal

The Phoenix Contact PTRVB 4-FI /BU is a 4-row push-in potential distributor rated at 250 V and 37 A maximum total current, with 13 connections across four levels. Its blue connection elements identify it as a 24 V DC power distribution terminal block, and the feed-in stage accepts conductors up to 6 mm² for high-capacity supply connections.

Technical specifications:

• Part designation: PTRVB 4-FI /BU
• Catalog number: 3270221
• Manufacturer: Phoenix Contact
• EAN: 4055626186375
• Connection method: Push-in connection
• Number of rows: 4, positions: 2, connections: 13
• Nominal voltage: 250 V, rated surge voltage: 4 kV, overvoltage category: III
• Nominal current: 17.5 A (1.5 mm²), max total current: 37 A
• Distribution conductor: 0.14 mm² - 2.5 mm² rigid, stripping length 8 mm - 10 mm
• Feed-in conductor: 0.2 mm² - 6 mm², nominal cross section 4 mm², nominal current 32 A, stripping length 10 mm - 12 mm
• Mounting: DIN rail NS 35/7.5, NS 35/15
• Dimensions: 8.3 mm W x 64 mm H x 55.5 mm D (on NS 35/7.5)
• Color: gray (RAL 7042), connection elements: blue
• Insulating material: PA, flammability rating UL 94 V0
• Weight: 20.57 g (excl. packing)
• Pack size: 10 pc, country of origin: Poland

Features and benefits:

• Tool-free push-in connection enables fast, reliable wiring in confined panel spaces
• Blue connection elements provide instant visual identification as a 24 V DC power rail terminal
• Feed-in stage accepts up to 6 mm² conductors, supporting supply currents up to 37 A
• Bridgeable design distributes a single potential across multiple output connections
• PA insulation with UL 94 V0 rating and DIN EN 45545-2 certification for fire safety

Applications:

• 24 V DC power distribution in industrial control cabinets and enclosures
• PLC and automation system power rail supply and distribution
• Multi-circuit power supply in machine building and panel manufacturing
• Rail vehicle electrical installations requiring certified fire-rated terminal components

Compliant with IEC 60947-7-1 and UL 94 V0. Meets DIN EN 45545-2 fire protection requirements for rail vehicles (R22, R23, R24, R26 HL1-HL3).

Also known as: Phoenix Contact PTRVB 4-FI /BU, Phoenix 3270221, Phoenix Contact blue potential distributor 24V DC.