Certificates and Conformities
NECK
- Class I, Divisions 1 and 2, Groups B* (Division 2), C, D
- Class II, Divisions 1 and 2, Groups E, F, G
- Class III
- Zones 1 and 2, Group IIB*
- UL standard: UL1203
- NEMA 4X, 7B (Div. 2) CD, 9EFG, 12
*For Class I, Division 1, Group B or Zone 1 hydrogen applications, use the full EFS(C) control station part numbers.
Design Features
- Momentary contact pushbuttons, constant contact pushbuttons and pilot lights offer a choice of functions
- Selector switches in two- or three-position configurations, including keyed and spring return options
- Covers with one, two and three openings for one, two or three devices respectively per station
- Robust control devices for safe and reliable operation in industrial environments
- Enclosures with additional space for wiring and termination also feature two integrated mounting feet for quick and secure installation.
- The housings have 1/2", 3/4" or 1" blind or through bushings for the supply channel with a built-in bushing to protect the wire insulation.
- Covers and housings are available in Feraloy or copper-free aluminum for low weight and corrosion resistance.
- DL labels feature large letters to clearly indicate the device's function; space is provided for field markings.
Standard materials
- Housings, covers – Feraloy or copper-free aluminum.
- Buttons and protective covers - nylon type 6/6
- Working shafts and bearings – stainless steel