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iTB · Terminal Box

The enclosure that
does everything.

Hinged-lid terminal boxes in 316L stainless, 304 stainless and mild steel. ATEX Ex e certified for Zone 1 and Zone 2. Any size from 200×200×150 to 2000×1000×800.

iTB terminal box · 200×200×150 · 316L stainless · ATEX or industrial
iTB · 200×200×150
ATEXEx e · Zone 1 & 2
IP ratingIP66
SizesAny, built to drawing
Made inKent, UK
Lead time3–4 weeks
What it is

A hinged-lid box
built to your spec.

The iTB is indEx's core product: a fabricated terminal box with a hinged lid, available in any size, any material, with any entry configuration. In its ATEX variant (iTB·Ex) it is certified to Ex e increased safety under IEC 60079-7 and carries ATEX, IECEx and UKCA approvals. In its industrial variant it meets IP66 without hazardous area certification.

Every iTB is fabricated to your drawing in our Ashford, Kent facility. No standard SKUs , the size, material, finish, entry positions, and terminal population are all specified by you.

Hinged lid
Stays open at 90°

The lid stays open during installation, no hands needed. Stainless steel hinge pin. High-performance silicone gasket maintains IP66. Lid bolts on opposite side to hinge.

Any size
250×150×130 to 2000×1000×800

Custom sized to your footprint. Depth to accommodate your terminal block count and wiring radius. No minimum order.

ATEX II 2 GD certified
Gas and dust zones

Marked II 2 GD. Gas: Ex e IIC Gb, Zone 1 & 2, T4–T6. Dust: Ex tb IIIC Db IP66, Zone 21 & 22. ATEX Directive 2014/34/EU, IECEx and UKCA certified. CML-certified terminals to your schedule.

Three materials
316L · 304 · Mild steel

Cut, formed and welded in-house. 316L for marine and chemical. 304 for food and pharma. Mild steel powder-coated where corrosion is not a concern.

Gland entries
Any face, any metric size

Standard removable gland plates bottom and sides. Top-entry gland plates to order. Custom hole patterns to your cable schedule. Blanked as standard.

Populated or empty
Terminals fitted in-house

Supplied empty or fitted with Ex e certified terminal blocks (Phoenix, Entrelec or equivalent) to your terminal schedule. DIN rail, earth bars and end-stops included.

Specification

Key technical data.

Full dimensional drawings, material certificates and terminal datasheets are available on request. Download the product datasheet below for the standard specification.

IP rating
IP66
ATEX marking
II 2 GD
Gas protection
Ex e IIC Gb · T4 / T5 / T6
Dust protection
Ex tb IIIC Db · IP66
Zones (gas)
Zone 1 · Zone 2
Zones (dust)
Zone 21 · Zone 22
Ambient temperature
−50 °C to +70 °C
Service temp (seal)
−40 °C to +135 °C
Impact resistance
7 J (10 J self-certified)
Size range (ATEX)
230×150×130 to 2000×1200×800 mm
Size range (industrial)
Any size
Materials
316L (1.4404) · 304 (1.4301) · Mild Steel CR4
Body / lid thickness
1.2 mm (standard) · 1.5 mm (larger sizes)
Gland plate thickness
3.0 mm
Lid
Hinged · bolts on opposite side · stays open at 90°
Gasket
High-performance silicone (one piece)
Earth stud
M10 internal and external · 316L stainless
Hardware
316L stainless throughout
Standard finish
Stainless: brushed · Mild steel: powder coat RAL 7032 / 7035
ATEX certificates
CML 18ATEX3417X · CML 18ATEX3416U (component)
International
IECEx CML 18.0229X · UKCA GB/CML/QAR20.0009
Standard dimensions

12 standard sizes. Custom sizes at no extra lead time, send us your dimensions.

Order code H W D Hinges Bolts
iTB 231513 230 150 130 2 2
iTB 302015 300 200 150 2 2
iTB 303015 300 300 150 2 2
iTB 403015 400 300 150 2 2
iTB 404015 400 400 150 2 2
iTB 504015 500 400 150 2 2
iTB 604020 600 400 200 2 2
iTB 755020 750 500 200 3 2
iTB 906020 900 600 200 3 3
iTB 1008020 1000 800 200 4 5
iTB 1208030 1200 800 300 4 5
iTB 12010030 1200 1000 300 4 5

All dimensions in mm · H = height · W = width · D = depth

Gallery

Sizes, materials,
configurations.

iTB · 200×200×150 · 316L stainless
iTB · gland entries · ATEX Ex e
iTB · top gland plate fitted
iTB · 1200×1000×300 · right-hand hinge
iTB cabinet · floor-standing with plinth
iTB interior · Ex e terminals fitted
ATEX and industrial

One product line.
Two certification paths.

ATEX · Ex e

iTB·Ex, Hazardous area

Certified to ATEX Directive 2014/34/EU, IECEx and UKCA. Category II 2 G, Ex e IIC. Certified for Zone 1 and Zone 2 gas environments. Supplied with a Conformity of Construction document and a Declaration of Conformity. CML-certified Ex e terminals fitted to your schedule. Full ATEX documentation pack included with every order.

  • Zones 1 and 2 (gas)
  • ATEX CML 18ATEX3300X · IECEx CML 18.0229X · UKCA
  • Ex e terminals fitted and documented
  • Full compliance paperwork supplied
Industrial · IP66

iTB, Industrial

The same fabricated terminal box without the hazardous area certification. IP66 as standard. Used across food and beverage, marine, infrastructure and general industrial plant where ATEX certification is not required. Available in all three materials: 316L, 304 and mild steel. No minimum order. Quantities from a single unit.

  • IP66 (IP67 to order)
  • 316L stainless · 304 stainless · mild steel
  • Terminal blocks fitted or supplied empty
  • ISO 9001:2015 quality management
Certification

Fully certified.
Paperwork supplied.

Every ATEX iTB ships with a Declaration of Conformity and Conformity of Construction referencing the certificate numbers below. Originals available on request.

ATEX
CML 18ATEX3300X
II 2 G Ex e IIC · stainless and mild steel
View PDF ↓
IECEx
IECEx CML 18.0229X
Ex e IIC · international certification
View PDF ↓
UKCA
GB/CML/QAR20.0009
UK Conformity Assessed
View PDF ↓
ISO
ISO 9001:2015
Quality management system
View PDF ↓
Get started

Got a size or spec in mind?
We'll quote it today.

Send us your dimensions, material, entry requirements and terminal schedule. Same-day quote, 3–4 week lead time.

Get a quote Download datasheet