Sub Main Distribution Boards

ASTA Certified Secondary Distribution Solutions

Our SMDB range of products 800A/ 400A/ 250A have been tested and certified by ASTA, UK. Smaller and intermediate ranges can also be manufactured with similar design features. All design parameters are selected to suit IEC requirement and various customer requirement.

ASTA Certified
Modular Design
Versatile Applications
Sub Main Distribution Boards

Technical Specifications

Applicable Standards
IEC 61439 PART 1 & 2
Enclosure and Busbar System
3 Phase, 4 Wire, 415V AC, 50 Hz system with Earthing
Current Rating
Up to 2500A
Short Circuit Rating
From 25kA up to 50kA rated for 1 Second and 3 Seconds
Degree of Protection
IP43 / IP54 / IP55 / IP65 – INDOOR and OUTDOOR
Type of Construction
Modular, Form 2b/ 3b, Compartmentalized and Extensible design
Mounting
Free Standing, Floor mounted, Wall mounted
Incomer Device
Fixed – MCCB/ MCB
Outgoing Devices
Fixed – MCCB/ MCB/ MCB

Key Features

SMDB range 800A/ 400A/ 250A
ASTA certified quality
IEC compliant design parameters
Compartmentalized design
Indoor and outdoor applications
Modular construction
Easy maintenance access
High reliability systems

Applications

Commercial Buildings
Residential Complexes
Shopping Centers
Office Buildings
Educational Institutions
Healthcare Facilities
Hotels and Restaurants
Small Industrial Units

Standards & Certifications

IEC 61439-1 & 2
ASTA Certified
CPRI Approved
ISO 9001:2015

Benefits

ASTA Certified Quality
Modular Design
Versatile Applications
Easy Maintenance

Product Gallery

Explore our product in detail with high-quality images showcasing different aspects and features.

Form 3b SMDB

Form 3b SMDB

Form 3b Sub Main Distribution Board showing modular construction and compartmentalized design.

Form 2b Panel Assembly

Form 2b Panel Assembly

Form 2b panel assembly type SMDB with advanced circuit protection and modular construction.

Outdoor Panel

Outdoor Panel

Outdoor SMDB panel with IP65 protection for external applications and harsh environments.

SMDB Design & Features

Our SMDB range of products 800A/ 400A/ 250A have been tested and certified by ASTA, UK.

ASTA Certified

Our SMDB range has been tested and certified by ASTA, UK, ensuring the highest quality and safety standards.

Modular Design

Form 2b/ 3b modular construction with compartmentalized design for easy maintenance and future expansion.

Versatile Applications

Suitable for both indoor and outdoor applications with protection degrees from IP43 to IP65.

Ready for SMDB Solutions?

Contact our engineering team for customized Sub Main Distribution Board solutions tailored to your power distribution requirements.