Ashcroft L, G Data Sheet
Data Sheet
G & L-Series Pressure Switches
FEATURES
Precision SPDT or DPDT snap-acting micro switch
Setpoint adjustable from 15-100% of range
Single or dual adjustable set points
Fixed or adjustable deadband
Wide selection of switch elements
TYPICAL USES
Refineries
Chemical and petrochemical plants
Pulp and paper mills
Power plants
Steel mills
Water and sewage treatment plants
Pumps, compressors and turbines
Dairies and breweries
Boilers and burners
Reverse osmosis systems and filters
Filters and presses
Paint spraying equipment
Specialized OEM equipment
Pharmaceutical plants
SPECIFICATIONS
Set Repeatability
(Accuracy):
Switch Type: SPDT or 2 SPDT with independent setpoints,
Setpoint: Single setpoint, fixed deadband
Deadband: Fixed or adjustable deadband
Enclosure Ratings: G Series - NEMA 4X, IP66
Enclosure Material: G Series - 316L Stainless steel
Process Connection: ¼ NPT Female, ½ NPT Female,
Electrical Termination: ¾ NPT Female
APPROVALS
Watertight: L Series - UL, CSA, FM, CE, RoHS, CRN
±1% of span (Additional setpoint shift of
±1% of range per 50°F from initial setpoint
set at 70°F typical)
or 2 SPDT acting as DPDT (X2C)
Single setpoint, adjustable deadband
Independent setpoint, fixed deadband
L Series - NEMA 4X, IP66
L Series - Epoxy coated aluminum
¼ NPT Female and ½ NPT Male Combination
G Series - UL, CSA, CE, RoHS, CRN
L-Series
Watertight Enclosure
Differential Pressure Switch
L-Series
Watertight Enclosure
Pressure Switch
G-Series
Watertight Enclosure
Differential Pressure Switch
G-Series
Watertight Enclosure
Pressure Switch
KEY BENEFITS
• 316L SS (G-Series) or epoxy-coated aluminum
(L-Series) enclosures provide added protection
in harsh environments
• Designed for use in wide range of applications
• Easily configurable to meet your application
requirements
• Hermetically sealed micro switches offer
improved reliability and safety (UL Class I Div II
approval)
WETTED COMPONENTS
Actuator Seal
Buna-N®, Teflon®, Viton®,
316L SS, or Monel
®
Pressure Switches
316L SS or Monel®
for psi ranges
Epoxy coated carbon
steel or 316L SS for
Process Connection:
Differential Switches
Nickel plated brass or
316L SS for psid ranges
Epoxy coated carbon
steel or 316L SS for
IW ranges
IWD ranges
All speci fications are subject to change without notice.
All sales subject to standard terms and conditions.
©2018 Ashcroft Inc. glseries_p_switch_ds1.0, Rev. B, 07/19
of 61
ashcroft.com
info@ashcroft.com
1.800.328.8258
Data Sheet
G & L-Series Pressure Switches
ORDERING CODE Example: GPSN4 G S 25
Enclosure – Pressure Switch
GPSN4 - Single setpoint, fixed deadband, N4 - NEMA 4, 4X, IP66 GPSN4
GPAN4 - Single setpoint, adjustable deadband, N4 - NEMA 4, 4X, IP66
GPDN4 - Two independent adjustable setpoints, fixed deadband, N4 - NEMA 4, 4X, IP66
LPSN4 - Single setpoint, fixed deadband, N4 - NEMA 4, 4X, IP66
LPAN4 - Single setpoint, adjustable deadband, N4 - NEMA 4, 4X, IP66
LPDN4 - Two independent adjustable setpoints, fixed deadband, N4 - NEMA 4, 4X, IP66
Enclosure – Differential Pressure Switch
GDSN4 - Single setpoint, fixed deadband, N4 - NEMA 4, 4X, IP66
GDAN4 - Single setpoint, adjustable deadband, N4 - NEMA 4, 4X, IP66
GDDN4 - Two independent adjustable setpoints, fixed deadband, N4 - NEMA 4, 4X, IP66
LDSN4 - Single setpoint, fixed deadband, N4 - NEMA 4, 4X, IP66
LDAN4 - Single setpoint, adjustable deadband, N4 - NEMA 4, 4X, IP66
LDDN4 - Two independent adjustable setpoints, fixed deadband, N4 - NEMA 4, 4X, IP66
Switch Elements For Single Setpoint with Adjustable Deadband - UL/CSA Listed
H - General purpose, 10A - 125/250 Vac. 1⁄2 A, 125Vdc, 1⁄4 A, 250Vdc
J - Hermetically sealed, general pupose - 11A, - 125/250 Vac, 5A, 30Vdc
Single/Dual Switch Setpoint with Fixed Deadband - UL/CSA Listed
C/CC - Heavy duty ac, 22A - 125/250 Vac
F/FF - Sealed environment proof, 15A - 125/250 Vac. (estimated dc rating - 4A, 28Vdc, not UL listed)
G/GG - General purpose, 15A - 125/250/480 Vac, 1⁄2 A - 125 Vdc, 1⁄4 A - 250 Vdc (not listed at
H/HH - General purpose, 10A - 125/250 Vac 10A, Vdc (P series only)
J/JJ - Hermetically sealed switch, general purpose, 11A, 125/250 Vac, 5A, 30 Vdc
K/KK - Narrow deadband, 15A - 125/250 Vac. (estimated dc rating, 0.4A, 120 Vdc, not UL listed)
L/LL - Hermetically sealed switch, gold contacts, 1A - 125 Vac
M/MM - Low level (gold) contacts, 1A - 125 Vac
P/PP - Hermetically sealed AC - 5A, 125/250 Vac. (estimated dc rating - 2.5A, 28Vdc, not UL listed)
S/SS - Heavy duty dc, 10A - 125 Vac or dc, 1⁄8 HP - 125 Vac or dc.
U/UU - Manual reset actuates on increasing pressure 15A, 125/250 Vac, 6A, 130Vdc
Y/YY - High temperature 300°F (148°C) ambient, 15A, 125/250 Vac
W/WW - Ammonia service - 5A, 125/250 Vac, 6A, 30 Vdc
Actuator Seal
Temperature Limits
Material Ambient Process
B - Buna-N®-20°F to 150°F 0°F to 150°F
V - Viton
T - Teflon®-20°F to 150°F 0°F to 150°F
S - 316L SS -20°F to 150°F 20°F to 300°F
P - Monel®-20°F to 150°F 20°F to 300°F
Process Connections
25 - 1⁄4 NPT Female 25
06 - 1⁄4 NPT Female and 1⁄2 NPT Male combination
07 - 1⁄2 NPT Female
Options - Select from Table 4 on page 4 (If choosing an option(s) must include an “X’’) X _ _
6B - Cleaned for oxygen service 6B
Pressure Range (select from pressure range table on page 3)
100# - 100 psi 100#
®
-20°F to 150°F 20°F to 300°F
Not available in vacuum, & inches of water ranges or
pressures above 1,000 psi
Not available in vacuum, & inches of water ranges or
pressures above 1,000 psi
480 Vac)
G
S
X6B
100#
All speci fications are subject to change without notice.
All sales subject to standard terms and conditions.
©2018 Ashcroft Inc. glseries_p_switch_ds1.0, Rev. B, 07/19
of 62
ashcroft.com
info@ashcroft.com
1.800.328.8258
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