Process Control Instrumentation, Field Devices and Industrial Automation
CCS 646PE21
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CCS 646PE Piston Sensor Adjustable Pressure Switch for Hazardous Areas. 10 to 5000 PSIG. 0.069 to 345 bar. Vibration and shock resistant. High cycle life. IP66. NEMA: 4, 7, 9 & 13. Explosion proof. CE Mark and UL/CSA Listed for Div 1 and Div 2.

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DESCRIPTION
  • Highly reliable devices utilizing the CCS Dual-Snap® Belleville disc spring principle pioneered by CCS’ engineers.
  • Engineering based on aerospace technology.
  • Rigid, midsize and internally adjustable for convenient field set point adjustment.
  • Repeatable and stable set points.
  • Vibration and shock resistant.
  • High cycle life.
  • High over-pressure capability (System and Proof).
  • Certifi ed explosion proof hermetically sealed electrical assembly for environmental protection.
  • Various options for wetted materials and electrical ratings to meet a wide range of application requirements and media compatibility.
  • Well suited for high impulse hydraulic applications.
STANDARD FEATURES:
  • CE Mark
  • CCC
  • CRN
  • Dual Seal: ANSI/ISA-12.27.01
  • NACE MR0175 / ISO 15156
  • NEMA: 4, 7, 9, 13 / IP66
  • U.L. / CSA Listed
  • Hermetically Sealed Electrical Assembly
ELECTRICAL ENCLOSURE CERTIFICATIONS

* c-UL, U.L./CSA Explosion Proof: Div. 1, 2 hermetically sealed electrical assembly P/N 17-51 (17-73 for M model option), listed by both Underwriter’s Laboratories, Inc. (File No. E32961) and Canadian Standard Association (CSA) Testing Laboratories (File No. LR22921) for hazardous locations, Class 1, Groups A, B, C, and D; Class 2 Groups E, F, and G.
* ATEX - Baseefa certifi ed for potentially explosive atmospheres. Models 646**Y, II 2 GD Ex d IIC, Ex tb IIIC, Baseefa 05ATEX0011X. (Option Y)

646PE* Specifications
ADJUSTABLE SET POINT RANGE: 10 to 5000 PSIG
0.069 to 345 bar
68.9 to 34474 kPa
OPERATING TEMPERATURE: -40° to 186°F
-40° to 86°C
SHIPPING WEIGHT: APPROXIMATELY 39 OUNCES (1105 GRAMS)
SERIES 646PE* WETTED PARTS: 1/4"-18 NPT ALUMINUM PRESSURE PORT, 400 STAINLESS STEEL PISTON, BUNA N O-RING/TEFLON
ADJUSTABLE SET POINT RANGE APPROXIMATE DEAD BAND PSI (BAR) SYSTEM PRESSURE PSIG (BAR) PROOF PRESSURE PSIG (BAR)
INCREASING PRESSURE PSID (BAR) DECREASING PRESSURE PSID (BAR)
646PE*12 20-200
(1.4-13.8)
10-188
(0.68-12.9)
10-12
(0.68-0.83)
2000
(138)
3000
(207)
604PE*15 170-1400
(11.7-96.5)
90-1230
(6.2-84.8)
80-170
(5.5-11.7)
3000
(207)
5000
(345)
604PE*21 300-3000
(20.7-207)
180-2780
(12.4-192)
120-220
(8.3-15.2)
5000
(345)
7500
(517)
604PE*31 2500-5000
(172-345)
2220-4520
(153-312)
280-480
(19.3-33.1)
7500
(517)
10,000
(690)