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.
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.
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
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 |
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