Phoenix Contact UK 5-HESILED 24 Fuse Terminal Block

Technical Overview

24V LED fuse terminal block, 6.3A nominal, 0.2-4mm² (26-10 AWG) screw connection, DIN rail mountable. Operates -60°C to 105°C.

Key Features

Screw connection technology for reliable wiring.
DIN rail mountable (NS 35/7.5, NS 35/15, NS 32) for easy installation.
Designed for 5x20mm cartridge fuses, also compatible with 5x25mm and 5x30mm types.
Wide operating temperature range of -60°C to 105°C.
Accommodates a broad range of conductor sizes from 0.2 to 4 mm² (26-10 AWG).
Robust black polyamide housing for industrial environments.

Technical Specification Matrix

Parameter	Value
Amperage	6.3 A
Nominal LED Voltage	24 V
Operating Voltage (IEC)	800 V
Rated Impulse Voltage (Uimp)	8 kV
Conductor Size	0.2 - 4 mm² (26 - 10 AWG)
Connection Type	Screw
Mounting Type	NS 35/7.5, NS 35/15, NS 32 DIN Rail
Temperature Rating (Operating)	-60°C to 105°C
Torque Rating	0.6 - 0.8 N-m
Fuse Type	Glass / Ceramics / G / 5 x 20 / 5 x 25 / 5 x 30
Color	Black
Housing Material	Polyamide (PA)
Flammability Rating	UL 94 V-0
Physical Weight (kg)	0.02
Dimensions L x W x H (cm)	5.65 x 0.82 x 7.25

Industrial Applications

1. Industrial Control Panel Fuse Protection

This fuse terminal block provides reliable overcurrent protection for low-voltage control circuits within industrial control panels. The 6.3A nominal current and 24V LED indication are ideal for safeguarding PLCs, sensors, and actuators. Its screw connection ensures stable wiring in environments with vibrations, and DIN rail mounting simplifies installation, while the LED quickly identifies blown fuses to minimize downtime.

Problem Solved

Prevents damage to sensitive control components from overcurrents and reduces troubleshooting time with immediate visual fault indication.

Control PanelCircuit ProtectionDIN RailFuseLED IndicatorLow Voltage

2. Machine Safety Circuit Isolation

With an operating voltage of up to 800V and an impulse voltage of 8kV, this terminal block is suitable for isolating and protecting individual components or sub-circuits in machine safety systems. The lever-type fuse and clear LED indication support safe and efficient maintenance. Its wide temperature range (-60°C to 105°C) ensures reliable operation even under demanding conditions.

Problem Solved

Protects critical machine components from overcurrent faults and allows for quick, safe isolation during maintenance or troubleshooting of safety circuits.

Machine SafetyOvercurrent ProtectionCircuit IsolationLever FuseHigh Voltage Rating

3. Distributed I/O Module Protection in Harsh Environments

The robust polyamide housing and wide operating temperature range (-60°C to 105°C) make this fuse terminal block ideal for protecting distributed I/O modules in harsh industrial settings. Its compact 8.2mm width enables high-density wiring in control cabinets, and the 26-10 AWG conductor size range offers versatility for various field wiring. The visible LED indicator assists in rapid fault identification in remote or hard-to-reach locations.

Problem Solved

Secures distributed I/O modules from overcurrents in challenging industrial environments and simplifies troubleshooting with a clear visual status indicator.

Distributed I/OHarsh EnvironmentCompact DesignOvercurrent ProtectionRemote Troubleshooting