Certifications and compliances

(When used with EDS/EDSC or EFS/EFSC back box):

DSD:

• Class I, Division 1, Groups C, D
• Class I, Division 2, Groups B, C, D
• Class I, Zones 1 & 2, IIA
• Class I, Zone 2, IIB + H₂
• Class II, Division 1, Groups E, F, G
• Class III
• UL1203, UL121201, UL508
  
• C22.2 Nos. 14, 25, 213-17
  
• NEMA 3
  
• Operating temperature range: -25°C to +40°C

DSDX:

• Class I, Division 2, Groups B, C, D
• Class I, Zone 2, IIA, IIB + H₂
• Class II, Division 1, Groups E, F, G
• Class III
  
• UL standards: UL1203, UL121201, UL508
• CSA standards: C22.2 Nos. 14, 25, 213-17
• NEMA 4X
• Operating temperature range: -40°C to +60°C

DSD/DSDX cover and device sub-assemblies have:

• Device contacts for pilot light, pushbutton, and selector switch control stations are factory sealed; external sealing is not required, improving safety and reducing costs
• Factory sealing available for motor starting switch and snap switch sub-assemblies
• Large captive screws for fastening cover to body (DSDX only)
• Retrofit design enables easy upgrade to NEMA 4X protection*; simply purchase a DSDX cover and device assembly and use with the existing installed aluminum back box
• Lockout hole for padlock having 1/4” hasp is provided when used with covers for front lever and side type operation
• Lockout provisions on front operated pushbutton (marked “STOP” and “OFF”) and all selector switch covers
• For covers with front lever and side type operating handles, threaded type shafts and bushings are used to ensure hazardous protection
• Accurately ground flange for flametight joint when mated with ground flange on back box

• Covers – Feraloy iron alloy and copper-free aluminum
• Shafts and shaft bushings – stainless steel
  
• Handles, pushbuttons and guards – type 6/6 nylon 
• Sealing enclosures – copper-free aluminum