Description:
The 604 Series Diaphragm Pressure Switches feature state-of-the-art disc spring design. This unique feature eliminates the "tracing" common in most spring type pressure switches. They are fully adjustable and suitable for a wide range of fluids and environments. The microswitch can be wired for either normally open or normally closed operation.

General Specifications:
1/4" NPT Female Port Connection; U.L. Listed, CE Approved, NEMA 4, 13; Weatherproof; Internal Case Ground; AC & DC Operation to 125 VDC, 480 VAC; Proof pressures to 4500 PSI; SPDT Switch Element

Description:
The 604 Series Piston Type Pressure Switches incorporate all the same quality features found in the 604 Diaphragm type switch but are adjustable to pressures over 4,000 PSI for those applications demanding higher switch sensing pressures.

General Specifications:
1/4" NPT Female Port Connection; U.L. Listed, CE Approved, NEMA 4, 13; Weatherproof; Internal Case Ground; AC & DC Operation to 125 VDC, 480 VAC; SPDT Switch Element

Description:
The 604 Series Temperature Switches also utilize the proven Disc Spring technology used in the pressure switches, but these temperature switches now couple a probe, partially filled with a volatile liquid which is vaporized when heated, This causes an increase in the vapor pressure which actuates the fully adjustable switch mechanism. The 604T Series has a stainless steel probe. The 604TU features a 5' capillary tube.

General Specifications:
1/4" NPT Female Port Connection; U.L. Listed, CE Approved, NEMA 4, 13; Weatherproof; Internal Case Ground; AC & DC Operation to 125 VDC, 480 VAC; Extended ranges to +630°F available