Phoenix Contact 3214325 UT 4-L/HESI (5X20) Fuse modular terminal block

The UT 4-L/HESI (5X20) is a DIN rail-mounted fuse modular terminal block from Phoenix Contact, accepting G-type 5 x 20 mm glass or ceramic fuse-links. With a 4 mm² nominal cross section, thermal continuous current of 28 A, and screw connection on both levels, it provides reliable individual circuit protection in switchgear and control cabinet applications.

Technical specifications:

• Part designation: UT 4-L/HESI (5X20)
• Catalog number: 3214325
• Manufacturer: Phoenix Contact
• EAN: 4046356909402
• Fuse type: Glass/ceramics, G / 5 x 20 mm
• Number of connections: 4 (2 per level, 2 rows)
• Connection method: Screw connection, M3, tightening torque 0.6 - 0.8 Nm
• Stripping length: 9 mm
• Nominal cross section: 4 mm²
• Conductor cross-section: 0.14 - 6 mm² rigid and flexible (AWG 26-10)
• Thermal continuous current Ith: 28 A
• Nominal voltage: 250 V (Level 1), 500 V (Level 2)
• Rated surge voltage: 6 kV
• Overvoltage category: III, degree of pollution: 3
• Mounting: NS 35/7.5 and NS 35/15 DIN rail
• Color: black
• Operating temperature: -60°C - 130°C
• Weight (net): 31.77 g
• Pack size: 50 pc
• ATEX/IECEx: II 3 G Ex ec IIC Gc

Features and benefits:

• Maintenance-free, vibration-resistant screw connection using the patented Reakdyn principle
• Integrated lever element for easy fuse insertion and replacement
• Built-in test pick-offs enable fast in-circuit fuse verification
• Integrated level bridging connects circuits across levels without additional accessories

Applications:

• Individual circuit protection in industrial control and switchgear panels
• Fused power distribution in machine control and building automation cabinets
• Fused terminal rows in process control and instrumentation installations
• Circuit protection in ATEX Zone 2 hazardous area control enclosures

Compliant with IEC 60947-7-1 and IEC 60947-7-3. Note: fuse-link not included as standard; if the fuse is faulty, the downstream circuit is not disconnected. Part of the Phoenix Contact UT terminal block family.

Also known as: Phoenix Contact UT 4-L/HESI (5X20), Phoenix 3214325, Phoenix Contact fuse terminal block 5x20.