Phoenix Contact 3211861 PT 4-HESI (5X20) Fuse modular terminal block

The Phoenix Contact PT 4-HESI (5X20) is a fuse modular terminal block for G 5x20 glass or ceramic fuses, rated 500 V and 6.3 A. Its tool-free push-in connection and lever element for fuse integration enable fast installation and maintenance across industrial, machine building, and railway environments. The single-position, DIN rail-mounted design accepts rigid conductors from 0.2 mm² to 6 mm².

Technical specifications:

• Part designation: PT 4-HESI (5X20)
• Catalog number: 3211861
• Manufacturer: Phoenix Contact
• EAN: 4046356482516
• Pack size: 50 pc
• Fuse type: Glass / ceramics, G / 5 x 20
• Nominal voltage: 500 V
• Nominal current: 6.3 A
• Rated surge voltage: 6 kV
• Overvoltage category: III, degree of pollution: 3
• Number of positions: 1, number of connections: 2
• Connection method: Push-in connection
• Nominal cross section: 4 mm²; conductor range rigid: 0.2 mm² - 6 mm² (AWG 24-10); flexible: 0.2 mm² - 4 mm²
• Stripping length: 10 mm - 12 mm
• Mounting type: NS 35/7.5, NS 35/15 DIN rail
• Dimensions (W x H x D): 6.2 mm x 55.9 mm x 63.4 mm
• Color: black (RAL 9005)
• Insulating material: PA, Group I; flammability rating: UL 94 V0
• Temperature index (UL 746 B): 130 °C; cold rating: -60 °C
• Weight (excl. packing): 12.127 g
• Country of origin: PL

Features and benefits:

• Tool-free push-in connection reduces wiring time during panel assembly
• Lever element allows easy fuse insertion and replacement without additional tools
• Integrated test pick-offs enable quick in-situ fuse condition checking
• Spring-clamp design delivers high conductor pull-out force retention
• Compatible with standardized CLIPLINE complete bridging, marking, and testing accessories

Applications:

• Circuit protection in railway rolling stock control panels (DIN EN 45545-2 certified)
• Switchgear and machine building control cabinets
• Plant engineering power distribution boards
• Industrial automation installations requiring frequent fuse inspection or replacement

Compliant with IEC 60947-7-3 and UL 94 V0 flammability standard; fire protection certified to DIN EN 45545-2 for rail vehicles. Part of the Phoenix Contact CLIPLINE complete terminal block system.

Also known as: Phoenix Contact PT 4-HESI (5X20), Phoenix 3211861, PT4HESI 5x20 fuse terminal block.