Name: Wago 281-623/281-541 Fuse Disconnect Terminal Block - INOSAKI
SKU: Wago-281-623/281-541
Price: 27.14 USD
Availability: InStock

Technical Overview

The WAGO 281-623/281-541 is a 2-conductor fused disconnect terminal block from the 280 Series, designed for DIN-rail mounting. It features a pivoting fuse holder for standard ¼" x 1¼" glass cartridge fuses and includes an LED for blown fuse indication, operating on 15-30 V. Utilizing CAGE CLAMP® technology, it provides secure, maintenance-free connections for conductors ranging from 0.08 mm² to 4 mm² (28-12 AWG).

Key Features

2-conductor design for efficient wiring.
Pivoting fuse holder for easy fuse replacement.
Accepts standard ¼" x 1¼" glass cartridge fuses.
CAGE CLAMP® connection technology ensures secure, vibration-proof, and maintenance-free wiring.
Suitable for solid and fine-stranded conductors from 0.08 mm² to 4 mm² (28-12 AWG).
DIN-rail mountable (35 x 15 and 35 x 7.5) for flexible installation.
Rated for 800 V and 10 A for reliable circuit protection.
Gray polyamide housing with front-entry wiring.

Technical Specification Matrix

Parameter	Value
Fuse Type	Glass cartridge fuse ¼" x 1¼"
Blown Fuse Indication	LED, 15 - 30 V
Connection Technology	CAGE CLAMP®
Conductor Cross-section (AWG)	28 AWG to 12 AWG
Conductor Cross-section (mm²)	0.08 mm² to 4 mm²
Rated Voltage (IEC/EN 60947-7-3)	800 V
Rated Impulse Withstand Voltage	8 kV
Rated Current	10 A
Overvoltage Category	III
Pollution Degree	3
Strip Length	9–10 mm
Mounting	DIN-rail 35 x 15 and 35 x 7.5
Color	Gray
Number of Positions	2

Industrial Applications

1. Industrial Control Panel Circuit Protection

This terminal block provides robust overcurrent protection for sensitive control circuits or individual loads within industrial control panels, preventing damage from electrical faults.

Problem Solved

Immediate visual fault identification via the integrated LED reduces troubleshooting time in complex industrial systems, ensuring quicker recovery from overcurrent events. The 800V/10A rating and standard fuse support accommodate a wide range of industrial applications.

Overcurrent protectionControl panelDIN railFault indicationCAGE CLAMP800V10A15-30V LEDFuse

2. Machine Safety Circuit Isolation and Monitoring

Ideal for providing fused protection and clear status indication for individual safety-related circuits or components in machinery, enhancing both operational safety and maintenance efficiency.

Problem Solved

The pivoting fuse holder enables quick and safe replacement of fuses during maintenance, while the LED indicator immediately signals a tripped safety circuit. This rapid fault detection improves machine uptime and ensures compliance with safety protocols.

Machine safetyCircuit isolationEmergency stopFuse monitoringLED indicationMaintenanceUptime800V10ADIN rail

3. Distributed I/O Module Protection in Automation Systems

Offers individual protection for power supply lines to distributed I/O modules or field devices that are prone to localized overcurrents in automation systems.

Problem Solved

The compact 10mm width facilitates high-density wiring solutions in space-constrained automation cabinets. Localized LED feedback simplifies troubleshooting at remote I/O locations, providing immediate fault status without requiring central diagnostics for efficient system management.

Distributed I/OAutomation systemsCompactHigh-densityField devicesLocalized protectionTroubleshootingLED indicator10A