Product Highlights

Wide CompatibilitySupports leading circuit breaker brands.

01
High Electrical CapacityWithdrawable switchgear rated up to 4000A with 40kA breaking capacity.

02
Arc Fault CertificationSuccessfully passed IAC AFLR 31.5kA/1s type test for arc resistance.

03
TÜV CertifiedMeets 60Hz operational requirements under German TÜV standards.

04
Anti-Accident DesignConforms to State Grid "18 Anti-Accident Measures" with ≥300mm insulation spacing and no insulation boards inside.

05
High-Altitude Insulation PerformanceLow partial discharge (≤3pC) and long creepage distances ensure operation up to 3000m.

06
Enhanced Insulation StrengthStainless-steel reinforced bushings eliminate corona discharge and reduce insulation aging.

07
Smart Monitoring SystemIntegrates digital data acquisition, temperature and status monitoring, and health assessment functions.

08

Product Overview

The UDQ-40.5 is an intelligent, metal-clad withdrawable switchgear for 40.5kV indoor power distribution systems. It is used for receiving and distributing power in demanding environments such as power plants and industrial complexes.

● As an independent product model refined from the Eaton UR7 cabinet type, it inherits excellent craftsmanship while being fully optimized for Chinese standards and the latest State Grid specifications, ensuring superior compatibility and performance.

Technical Specifications

Basic Parameters
Rated voltage	40.5 kV
Rated power frequency withstand voltage	95 kV/1min
Rated lightning impulse withstand voltage	185 kV
Rated frequency	50 Hz / 60 Hz
Rated short-time withstand current	25~40 kA/4s
Rated peak withstand current	63~100 kA
Busbar rated current	630~4000 A
Internal fault arc withstand current	31.5 kA/1s
Weight	1500~2400 kg
Protection level	Enclosure IP4X, compartment IP2X, IK10