STAHL 278814 Series 8150 Ex i Terminal Boxes Installation Guide
- June 3, 2024
- STAHL
Table of Contents
STAHL 278814 Series 8150 Ex i Terminal Boxes
Art. No: 278814
- Version for USA and Canada
- Resistant Ex i terminal boxes made of stainless steel
- Degree of protection IP66
- External earth connection M8
- Version as screw- on cover for other alternatives contact factory
- Equipped as required
WebCode 8150M
R. STAHL Series 8150 Ex i terminal boxes are made of brushed stainless steel (1.4301, AISI 304 or 1.4404, AISI 316L) and are particularly resistant. The optimised design and the circumferential protection channel on the cover opening and the silicone seal suitable for the most extreme temperature ranges make the enclosure usable worldwide. Various optional accessories are available.
Technical Data
Explosion Protection
Scope of validity| NEC
CEC
Application range (zones)| 1
2
21
22
Electrical Data
Rated operational voltage AC IEC| 60 V
Ambient Conditions
Ambient temperature| -50 °C … +75 °C
Ambient temperature| -58°F … +167°F
Mechanical Data
IP degree of protection (IEC 60529)| IP66
Enclosure material| Stainless steel 1.4404, (AISI 316L), brush finished
Material note| special version on request
External protective conductor connection| M8
Silicone-free| No
Connection cross-section| 2.5 mm²
Connection cross-section AWG| AWG14
Cover thickness| 2 mm
Cover thickness inch| 0.079 in
Wall thickness| 1.5 mm
Wall thickness, inches| 0.059 in
Dimensions (WxHxD)| 176.5 x 176.5 x 91 mm
Dimensions (WxHxD) inch| 7 x 7 x 3.6 inch
Width| 176.5 mm
Width, inches| 6.945 in
Mechanical Data
Height| 176.5 mm
Height, inches| 6.945 in
Depth| 91 mm
Depth, inches| 3.583 in
Weight| 8 kg
Weight| 17.64 lb
Mounting / Installation
Tightening torque of cover screw 1| 4.5 Nm
Cover screw 1 tightening torque lbf in| 39.83 lbf in
Components
Flange and plates| Without flange
Entries installation options/side| Without drilled holes
Terminal rail| 35 x 133 mm (1x)
Terminal rail| 1.38 x 5.24″ (1x)
Type of terminals 1| 1 x Phoenix UT
2-conductor, 2.5 mm², blue
Type of terminals 2| 1 x Phoenix UT 2-conductor, 2.5 mm², grey
PA terminal| 1 x Phoenix UT PE
2-conductor, 2.5 mm², green-yellow
Dimensional Drawings
(All Dimensions in mm [inches]) – Subject to Alterations
We reserve the right to make alterations to the technical data, dimensions, weights, designs and products available without notice. The illustrations cannot be considered binding.
R. STAHL Schaltgeräte GmbH
- Am Bahnhof 30 74638 WALDENBURG
- Tel: +49 7942 943 1700
- +49 7942 943 1777
- Email: sales.de@r-stahl.com
- r-stahl.com
References
- R. STAHL | Explosion Hazard Systems | Industrial Explosion Protection
- You will find a little bit of Stahl chemistry everywhere | Stahl | Stahl
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