WISE CONTROL INC : P953 (953 Series)_Explosion proof pressure switch

Service intended

P953 diaphragm type pressure switch can be used in a variety of process lines. Internal micro switch is operated by pressure of various fluids, such as atmospheric pressure and water pressure. The pressure sensing part is a force balanced and piston actuated assembly.

Fluid	Gas and oil
Repeatability	±1.0 % of adjustable range
Adjustable range (mbar, kPa, bar, MPa)	0.3 kPa to 15 MPa -0.1 ~ -0.15 bar to 15 MPa
Dead band	Fixed One SPDT : Approx. 5 % adjustable range Two SPDT : Approx. 10 % of adjustable range
Working temperature	Ambient : -40 ~ 65 °C Fluid : Max. 100 °C
Degree of protection	EN60529/IEC529/IP67

Standard features

Pressure connection	Stainless steel (316SS) 316L SS, Monel and Hastelloy-C
Element	Stainless steel (316L SS) Monel, Hastelloy-C Viton (Up to 4 kPa adjustable range)
Case and cover	ALDC 12.1 Silver gray finished aluminium
Process connection	¼", ⅜", ½" PT, NPT and PF
Contact	Micro contact type One SPDT (P953-1B3) Two SPDT (P953-2B3)(Only available with single setpoint)
Contact rating	SPDT contact rating AC 125 V / 250 V, 15 A DC 125 V, 0.4 A for resistance load DC 125V, 0.03 A for inductive load
Conduit connection	¾" NPT (F)
Certificates	KCS Ex d IIC T6 ATEX II 2G Ex d IIC T6 Gb IECEx Ex d IIC T6 Gb

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P953 (953 Series)_Explosion proof pressure switch

P953 (953 Series)

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