Gallagher T20 Back Box
Price range: £50.49 through £51.99
3D printed (ASA) back box for surface-mounting the Gallagher T20 terminal with secure conduit containment. Features integrated back tamper that connects to the T20’s own tamper circuit, maintaining tamper functionality and grading.
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Contact for Trade Pricing & StockNext-day delivery available on in-stock quantities · Delivery · 30-day returns · UK manufactured
Description
Gallagher T20 Back Box
The Gallagher T20 Back Box provides a professional, secure mounting solution for Gallagher T20 terminals in environments requiring conduit-fed cabling. Purpose-designed to match the T20 terminal footprint, it allows surface-mounted containment to connect directly to the terminal.
Key Features
- Designed for the Gallagher T20 — matches the terminal’s 179.5 x 95.7mm footprint for a clean, flush fit
- Integrated back tamper — connects to the T20’s own back tamper, maintaining full tamper functionality and grading compliance
- Brass conduit bush — secure 20mm or 25mm conduit entry (separate variants)
- Durable ASA construction — 3D printed in ASA for impact resistance and long-term durability
- Multiple colour options — standard Black, also available in White, Grey, Green, and Red
Technical Specifications
| Compatible Terminal | Gallagher T20 (179.5 x 95.7 x 23mm) |
| Material | ASA (3D printed) |
| Conduit Entry | 20mm or 25mm (brass bush) |
| Tamper | Integrated back tamper — maintains T20 tamper circuit and grading |
| Use | Indoor |
Typical Applications
Access control installations requiring conduit-fed cabling to Gallagher T20 terminals. Ideal for high-security, government, and compliance-led environments where exposed cabling is not acceptable and tamper grading must be maintained.
UK manufactured by Tier8 Ltd.
Additional information
| Weight | 0.156 kg |
|---|---|
| Dimensions | 17.95 × 9.57 cm |
| Conduit Size | 20mm, 25mm |
| Colour | Black, Green, Grey, Red, White |








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