Product data sheet
Characteristics
9037HW31Z20
closed tank - NEMA 4 - screw-in bushing - 2 NC
DPST-DB contacts
Main
Range of product Square D Pumptrol
Product or component type Float switch
Device application Closed tank
Device short name 9037H
Product specific application Liquid level control
Electrical circuit type Power circuit
Quantity per set Set of 1
Type of packing Individual
Complementary
Product destination For closed tank
Device mounting Screw-in bushing
Cable entry number 2 conduit entries for 3/4"-14 NPT UL 508
Contacts type and composition 2 NC snap action DPST-DB Form YY
Controlled fluid Fresh water @ specific gravity of 0.85 in or higher 0...250 °F
Sea water @ specific gravity of 0.85 in or higher 0...250 °F
Hydraulic oil @ specific gravity of 0.85 in or higher 0...250 °F
Corrosive fluid @ specific gravity of 0.85 in or higher 0...250 °F
Motor power kW 1.5 kW 2 hp @ 115 V AC 1 phase
2.2 kW 3 hp @ 115 V AC 3 phases
2.2 kW 3 hp @ 230 V AC 1 phase
3.7 kW 5 hp @ 230 V AC 3 phases
0.75 kW 1 hp @ 460 V AC 3 phases
0.75 kW 1 hp @ 475 V AC 3 phases
0.18 kW 0.25 hp @ 32 V DC
0.37 kW 0.5 hp @ 115 V DC
0.37 kW 0.5 hp @ 230 V DC
Electrical connection Screw-clamp terminals 10 AWG
Contact operation Contacts close on liquid rise
Float movement 6...11.5 in adjustable
Float position Right
Float rod angle 90° (offset)
Short-circuit protection Cartridge fuse gG
Local signalling With external pointer
Materials in contact with fluid Cast iron
Apr 18, 2019
Disclaimer: This documentation is not intended as a substitute for and is not to be used for determining suitability or reliability of these products for specific user applications
1
Viton
316 stainless steel
Yellow brass
304 stainless steel
Enclosure material Cast aluminium
Operating position Vertical position only
Electrical durability 100 cycles @ 60 cyc/mn
Mechanical durability 300 cycles
Terminal block type 4 terminals
Operating rate 60 cyc/mn
[Ui] rated insulation voltage 575 V UL 508
Terminals description ISO n°1 Line-load-load-line
Factory modification Without
Kit composition Float
Rod
Float switch
Environment
Standards CE
Ambient air temperature for operation -22...220 °F
Ambient air temperature for storage -22...220 °F
NEMA degree of protection NEMA 4 UL 50
Product certifications UL listed file E12158
UL 508
CSA file LR25490
Offer Sustainability
RoHS (date code: YYWW) Will not be compliant
Will not be compliant
Contractual warranty
Warranty period 18 months
2
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