8WPS Vacuum and Low Pressure Explosion Proof Pressure Switch

Overview

DESCRIPTION & FEATURES

• Heavy-duty explosion-proof pressure switch for extreme environments
• Vacuum pressure up to 10 psi
• High current ratings for 1 x SPDT or 2 x SPDT switches
• Fixed deadband for consistent operation
• Durable die-cast aluminum construction with welded seal
• 1% accuracy for precise pressure monitoring
• IP68 rated, including hermetically sealed option for harsh conditions
• cULus listed and RU recognized for compliance
• CRN registration pending
• 5-year warranty for long-term reliability

Applications

• Ideal for vacuum and low-pressure applications in hazardous areas, including:
  • Natural gas monitoring and control
  • Oil & Gas industries
  • Petrochemical processing
  • Power generation
  • Industrial safety systems

SPECIFICATIONS

Housing	Heavy-duty explosion-proof die-cast aluminum, blue colour
Accuracy	+/- 1% of the adjustable set-point range
Pressure Connection	1/4" or 1/2" NPT, BSP and M20xP1.5
Electrical Connection	Female 1/2" or 3/4" NPT, M20xP1.5
Wetted Parts	316 Stainless Steel welded (except for Vacuum range, Viton o-ring)
Set Point Adjustment	Field selectable
Deadband	Fixed or Adjustable, see Order Codes
Contact Rating	Fixed Deadband: 15A @ 125/250VAC 0.4A @ 125VDC 3A @ 30VDC Hermetically sealed switch 5A @ 250VAC Gold contact microswitch 1A @ 125/250VAC Adjustable Deadband: 20A @ 125/250/480VAC 5A @ 125VDC
No. of Contacts	1 x SPDT or 2 x SPDT (only 1 x SPDT available for Adjustable Deadband range)
Ambient/Process Temperature	-30 to 205 deg C (-22 to 400 deg F), Vacuum range only -5 to 150 deg C (23 to 300 deg F)
Enclosure Rating	IP68 Protection from dust ingress and submersion in fresh water to a maximum depth of 1.5 metres for up to 30 minutes
Approvals	cULus listed, Class I Divison 1 Groups A, B, C & D Class II Divison 1 Groups E, F & G (housing) RU recognized, file no E12252 (switch) CRN registration pending
Weight	3.95 lbs (1.79 kg)