
TOPBAS Type 1 + 2 Surge Protection Device (TB7K320T12L)
The TOPBAS TB7K320T12L is a Type 1 + 2 (Class B + C) three-phase surge protection device, 3 pole + N, that protects electrical panels and sensitive equipment from partial lightning currents and induced surges in a single unit.
Technical Specifications
TOPBAS Type 1 + 2 Surge Protection Device (TB7K320T12L)
Consult a qualified engineer for project-specific design decisions.
Typical applications
- Main incoming electrical panels
- Industrial and commercial installations
- Buildings with external lightning protection
- Sensitive equipment and data systems
Supply & installation
Henel Engineers supplies this product and installs it as part of a complete lightning protection and earthing system across India — from site assessment and design to installation.
Surge Protection Devices (SPD) — Supply & InstallationTOPBAS Type 1 + 2 Surge Protection Device (TB7K320T12L) — FAQs
What type of SPD is the TB7K320T12L?
It is a Type 1 + 2 (Class B + C) three-phase surge protection device with 3 pole + N configuration.
What are the ratings of the TB7K320T12L?
Rated voltage (Uc) 320 VAC, voltage protection level (Up) 1.6 kV, impulse current (Iimp) 7 kA, nominal discharge current (In) 30 kA, IP20.
Where is a Type 1 + 2 SPD installed?
A Type 1 + 2 SPD is typically installed at the main incoming electrical panel, especially in buildings with external lightning protection.
How do I buy this SPD?
Call +91 94432 82312 or +91 94436 92711, chat on WhatsApp at +91 94432 82312, email henelkkla@gmail.com, or use the quote request form on the contact page.
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