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美商實快電力品牌開發(fā)的產品和系統(tǒng)在生活中處處可見，小到斷路器，大到監(jiān)控系統(tǒng)。高級建筑、民用住宅是實快電力產品的主要消費者。

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美商實塊的產品：
SQUARE D壓力開關、SQUARE D壓力繼電器、SQUARE D壓力傳感器、SQUARE D開關、SQUARE D限位開關、SQUARE D安全開關、SQUARE D塑殼斷路器、SQUARE D馬達控制中心、SQUARE D線路監(jiān)測系統(tǒng)美國SQUARE-D(美商實塊電力)公司作為世界一流的電氣產品， 服務于美國各大公司及電力設施，并在世界各地遍布企業(yè)和銷售網絡，憑借近百年生產經驗的配電設備品牌，它承諾創(chuàng)新和可靠的產品來迎合客戶需要。在輸配電及工控及自動化，廣泛用于商業(yè)，建筑及工業(yè)各領域。

SQUARE D美商實快壓力開關9012系列具體型號有：

Main

range of product	9012G
pressure sensor type	Electromechanical pressure switch
pressure sensor name	9012G
pressure sensor size	10 psi
maximum pressure	100 psi
contacts type and composition	NC-NO, SPDT-DB, Form Z, snap action, silver nickel contacts
controlled fluid	Air Hydraulic oil (-40...250 °F) Non-corrosive liquids Non-corrosive gas
fluid connection type	0.25 inch 18 NPTF conforming to UL 508
pressure switch type of operation	Regulation between 2 thresholds
scale type	Adjustable differential
local display	Without

Complementary

range on decreasing pressure	0.2...10 psi
approx adjustable differential at mid range	1...2 psi +/- 2.5 % full scale
cable entry	0.5 inch NPT conduit entrance
terminal block type	4 screw terminals
electrical connection	Screw-clamp terminals, AWG 22...AWG 12
electrical circuit type	Control circuit
local signalling	Without
[In] rated current	3 A (Ue = 240 V AC) contact code: A600 conforming to NEMA rating designation 6 A (Ue = 120 V AC) contact code: A600 conforming to NEMA rating designation 0.27 A (Ue = 250 V DC) contact code: R300 conforming to NEMA rating designation 0.22 A (Ue = 125 V DC) contact code: R300 conforming to NEMA rating designation
setting	Internal
enclosure material	Cast aluminium
pressure actuator	Diaphragm (nitrile (Buna-N))
height	7.8 in
depth	5.34 in
width	7.13 in
operating position	Any position
materials in contact with fluid	Zinc plated steel Nitrile (Buna-N)
short-circuit protection	10 A by gL (cartridge) overload and short-circuit protection
operating rate	<= 120 cyc/mn
mechanical durability	5000000 cycles
repeat accuracy	4 %
product weight	18.5 lb(US)