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Ashcroft 400 Pressure and Differential Pressure Switches, Watertight Enclosure

Pressure and Differential Pressure Switches, Watertight Enclosure
400

This general purpose Ashcroft® switch series is ideal for use in virtually all Industrial and OEM applications.

• Watertight NEMA 4X enclosure, IP66
• Choice of switch elements for all applications, including hermetically sealed
• Wide choice of wetted materials including all-welded Monel or stainless steel
• Fixed or limited adjustable deadband
• Approved for UL, CSA and FM ratings
• Setpoints adjustable from 15-100% of range
• Choice of actuators, including designs for fire-safe and NACE applications
• Readily available
• Standard pressure connection materials:
     Pressure psi ranges - 316L stainless steel
     Differential psid ranges - Nickel-plated brass 
     Pressure and differential inches of water ranges - Epoxy coated carbon steel

Select a link under the "item" tab below to order.

Table 1Table 2Table 3Table 4Table 5
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Table 1Enclosure
B4Pressure switch, type 400, watertight enclosure meets NEMA 3, 4, 4X and 13, IP66 requirements
D4Differential pressure switch, type 400, watertight enclosure meets NEMA 3, 4, 4X and 13, IP66 requirements
Table 2Switch Element
20Narrow deadband
21*Ammonia service
22Hermetically sealed switch, narrow deadband
23Heavy duty ac
24**General purpose
25Heavy duty dc
26Sealed environment proof
27High temp. 300°F
28Manual reset trip on increasing
29Manual reset trip on decreasing
31Low level (gold) contacts
32Hermetically sealed switch, general purpose
50Variable deadband
UL/CSA Listed Dual SPDT(2)
61Dual narrow deadband
UL/CSA Listed Dual SPDT(2)
62Dual narrow environment proof
UL/CSA Listed Dual SPDT(2)
63Dual high temp. 300°F
UL/CSA Listed Dual SPDT(2)
64Dual general purpose
UL/CSA Listed Dual SPDT(2)
65Dual ammonia service
Table 2Actuator Seal
CodeMaterial Range
BBuna N yes yes
VViton yes yes
TTeflon yes yes
SSS
PMonel
Table 3Options
XPKPilot light(s), top mounted
Table 4Pressure Range
10 in.H₂O10 in.H₂O psi
30 in.H₂O30 in.H₂O psi
60 in.H₂O60 in.H₂O psi
100 in.H₂O100 in.H₂O psi
150 in.H₂O150 in.H₂O psi
15#15 psi
30#30 psi
60#60 psi
100#100 psi
200#200 psi
400#400 psi
600#600 psi
1000#1000 psi*
3000#3000 psi


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