Description

Description of Raychem Fire Rated Steel Junction Box

Raychem Fire Rated Steel Junction Boxes are high-performance electrical enclosures designed to maintain circuit integrity during fire conditions. Manufactured by Raychem RPG, these boxes are widely used in critical installations such as tunnels, industrial plants, and infrastructure projects where safety is essential.

Product Overview :

These junction boxes are made from powder-coated steel or stainless steel and are specifically engineered to withstand extreme temperatures, fire, water, and mechanical impact while protecting electrical connections.

Key Features :

• Fire resistance: Complies with DIN 4102-12 and BS 6387:2013 standards, ensuring circuit protection during fire exposure
• High durability: Steel construction with powder coating for corrosion resistance and long life
• IP protection: Typically IP65/IP66, protecting against dust and water ingress
• Impact resistance: Rated up to IK10 (20 Joules) for mechanical strength
• Wide temperature range: Operates in extreme conditions (approx. -60°C to +140°C depending on material)
• Suitable for tunnel application : for conductor cross-sections up to 4 mm²
• Safety design: Prevents accidental contact and ensures secure cable termination
• Mounting accessories: Comes with external brackets for easy installation

Technical Specifications (Typical) :

• Material: Stainless steel / Mild steel / GI with powder coating
• Rated voltage: ~800 V
• Current capacity: ~57 A
• Protection class: IP65 / IP66
• Color: Usually RAL 2003 (orange) for easy identification
• Standards: IEC 62208, DIN 4102-12, BS 6387 (Cat C, W, Z)

Applications :

• Fire safety systems (alarms, emergency circuits)
• Tunnels and underground infrastructure
• Power plants and industrial facilities
• Critical cable routing where fire survival is required

 Working Purpose :

These junction boxes ensure that electrical circuits remain operational even during a fire, when used with fire-survival cables and ceramic terminal blocks. This is crucial for emergency systems like alarms and evacuation equipment.

Summary

Raychem Fire Rated Steel Junction Boxes are robust, fire-resistant enclosures designed for critical safety applications. They provide reliable protection, high durability, and compliance with international fire standards, making them essential for environments where maintaining electrical continuity during fire is vital.