Transformer Vault

Precast Electrical Transformer Vault

Precast Electrical Transformer Vaults provide a secure, below-ground enclosure for electrical equipment and connections. Manufactured in a controlled environment, Mack Industries’ vaults ensure consistent quality and durability.

Available in multiple sizes with scored knockouts for easy access, they are designed to meet project requirements efficiently.

Why Choose Mack Industries for Transformer Vaults?

Mack Industries delivers precision-engineered precast concrete transformer vaults that provide unmatched durability and security for electrical systems. With rapid delivery capabilities and a range of size options, we’re committed to meeting your project timelines without compromising quality.

Product Features:

  • Secure Foundation: Provides a stable base for electrical equipment

  • Thinwall Knockouts: Allows flexible cable and duct entry

  • Pre-Engineered: Ensures long-lasting, reliable performance

  • First Energy Compliant: Meets industry standards for safety and quality

  • In-Stock Availability: Ready for immediate delivery

Vault Size Options

Type

Dimensions (L x W x H)

Base Weight

Slab Weight

45-150 kVA

4’- 0”x 5’-6” x 3’-0”

8,000 ILB

2,700 LBS

225–1000 kVA

6’-0” x 6’-0” x 3’-0”

10,700 LBS

4,200 LBS

1500–2500 kVA

7’-0” x 7’-0” x 4’-0”

14,600 LBS

6,200 LBS

For More information on our Transformer Vaults: