High-Performance IP66 Portable Maintenance Box: The Ultimate TSHST-Series by Greis Electric

In demanding industrial environments, reliable and safe power distribution is non-negotiable. Greis Electric, a premier electrical manufacturer based in Wenzhou, Zhejiang, China, introduces the TSHST-Series Portable Maintenance Box. Engineered specifically for heavy-duty B2B applications, this rugged, high-visibility yellow distribution box combines absolute structural integrity with highly flexible configurations to keep your projects powered safely under any conditions.

Technical Specifications Matrix

To meet precise engineering blueprints, the TSHST-Series is built with top-tier materials and exact specifications:

Model No.: TSHST-Series
Brand: Greis Electric
Protection Rating: IP66 Waterproof & Dustproof
Rated Voltage: 220V / 380V Heavy-Duty Capacity
Circuit Capacities: Available in 12, 13, 24, 26, and 36 Ways
Row Capacity: 2 Rows Layout
Enclosure & Cover Material: Premium ABS Engineering Plastic
Internal Structural Support: Ultra-thick 4mm Sheet Metal Thickness
Weight: 3800g (Optimized for structural stability and portability)
Standard Overall Dimensions: 300*450*165 mm

Scalable Housing Configurations (Dimensions in mm):

230*300*287 mm
230*320*287 mm
340*370*330 mm
340*400*330 mm

Key Benefits for Industrial Procurement Managers

1. Engineered for Extreme Environments (IP66 Rated)

Constructed from premium ABS engineering plastic, both the enclosure and the cover offer superior electrical insulation and exceptional impact resistance. With an IP66 ingress protection rating, the TSHST-Series completely seals off internal components from high-pressure water jets and fine dust particles. Whether deployed at outdoor construction engineering sites or dusty mining operations, this box guarantees uninterrupted power.

2. Ergonomic Portable Design & High Visibility

Unlike traditional static panels, this series features an aesthetic, portable/handheld mounting type. Finished in a striking industrial yellow color, it ensures maximum visibility on-site, significantly reducing accidental physical impacts. Inside, it boasts an impressive 4mm sheet metal thickness, providing an ultra-rigid internal framework that easily absorbs the shocks of daily transport.

3. Rigorous Global Standards Compliance

Safety is a core value at Greis Electric. The TSHST-Series is fully CCC certified, ensuring compliance with strict national and international electrical safety standards for low-voltage distribution.

Built for Demanding Global Sectors

The versatility of the TSHST-Series makes it the go-to maintenance solution across multiple industries, both indoor and outdoor:

Construction Engineering: Delivering temporary site power safely.
Industrial Workshops: Powering high-current machinery and maintenance tools.
Mining & Oil Fields: Standing up to corrosive atmospheres, moisture, and rough handling.

Factory Direct & OEM/ODM Customization Services

Greis Electric operates on a Factory Direct Sale model, eliminating middleman markups to provide the most competitive B2B wholesale pricing. Recognizing that every workshop and field site has unique layout requirements, we offer comprehensive OEM/ODM customization services with a Minimum Order Quantity (MOQ) of just 1 unit.

Our advanced manufacturing facility supports:

Precision CNC Hole Drilling: Custom tailored sizes and placements for specialized sockets and inlets.
Permanent Laser Engraving: Permanent marking of your corporate logo, safety warnings, or circuit schematics directly onto the ABS surface.

Request Your Factory-Direct Quote Today

Maximize your site’s electrical safety and operational efficiency with Greis Electric. Click “Learn More” or contact our engineering team today to receive a customized quote and our latest product catalog.