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Mercoid PG系列氣用差壓開關(guān)

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產(chǎn)品簡介

可調(diào)可視設(shè)定點刻度
特點：大膜盒，高靈敏度，外部可視刻度可調(diào)，快動或水銀密封開關(guān)，被列入UL，F(xiàn)M和CSA清單
介質(zhì)：空氣及相容氣體

詳細介紹

產(chǎn)品名稱: PG系列氣用微壓/微差壓開關(guān)
產(chǎn)品型號: PG

可調(diào)可視設(shè)定點刻度

特點：大膜盒，高靈敏度，外部可視刻度可調(diào)，快動或水銀密封開關(guān)，被列入UL，FM和CSA清單
介質(zhì)：空氣及相容氣體
可調(diào)范圍：250-7500Pa ～ 3.5-35 KPa
工作溫度：0-82.2 ℃
額定壓力：不能超過zui大的可調(diào)工作壓力范圍
接點容量：SPDT為4A/120VAC, 2A/240VAC,SPST為6A /120VAC, 3A/240VAC
安裝方式：垂直
尺寸：177.8X101.6mm
重量：3.4Kg

選型表：

型號	范圍	zui大死區(qū)	開關(guān)類型
PG-153-P1	1-30" water (.25-7.47 kPa)	1.9" w.c. (0.47 kPa)	SPDT Mercury
PG-153-P2	0.5-5 psid (.03-3.45 bar)	0.4 psid (0.38 bar)	SPDT Mercury
PG-3-P1	1-30" water (.25-7.47 kPa)	1.3" w.c. (0.32 kPa)	SPST Mercury¹
PG-3-P2	0.5-5 psid (.03-3.45 bar)	0.3 psid (0.21 kPa)	SPST Mercury¹
PG-7000-153-P1	1-30" water (.25-7.47 kPa)	4" w.c. (1.0 kPa)	SPDT Snap
PG-7000-153-P2	0.5-5 psid (.03-3.45 bar)	.5 psid (.035 bar)	SPDT Snap
PG-7000-153HS-P1	1-30" water (.25-7.47 kPa)	4" w.c. (1.0 kPa)	SPDT Hermetically Sealed Silver Snap
PG-7000-153HG-P1	1-30" water (.25-7.47 kPa)	4" w.c. (1.0 kPa)	SPDT Hermetically Sealed Gold Snap

舉例	PG			153	P1	PG-153-P1 (Vacuum) (Pressure) (Differential Pressure) Control, fixed deadband, automatic reset, SPDT mercury switch, adjustable range 1.0-30" w.c. (25-760 bar).	UL	FM	CSA
結(jié)構(gòu)	PG					General purpose enclosure, NEMA-1 (standard)	UL	FM	CSA
復(fù)位操作	PR					Manual reset, operates on pressure increase automatically, resets on decrease¹	UL	FM	CSA
復(fù)位操作	PRL					Manual reset, operates on pressure decrease automatically, resets on increase¹	UL	FM	CSA
封裝選項		W				Weather-resistant enclosure, NEMA-2, 3R		FM	CSA
封裝選項		E				Explosion-proof enclosure, NEMA-7, 9, Class I, Groups C & D; Class II, Groups E, F & G, includes drain, specify if for pressure, vacuum or differential pressure.
電路(開關(guān)) 選項 (For Electrical Codes see Chart Below)				2		SPST mercury switch, elect. code K†, opens on vacuum, pressure or differential pressure increase	UL	FM	CSA
				2P		SPST mercury switch, elect. code L†, opens on vacuum, pressure or differential pressure increase	UL	FM	CSA
				3		SPST mercury switch, elect. code K†, closes on vacuum, pressure or differential pressure increase	UL	FM	CSA
				3P		SPST mercury switch, elect. code L†, closes on vacuum, pressure or differential pressure increase	UL	FM	CSA
				153		SPDT mercury switch, elect. code M†	UL	FM	CSA
				103		DPST, two SPST mercury switches, elect. code L†, both close on increase, FM approved, PG, PGW only	UL	FM	CSA
				105		DPST, two SPST mercury switches, one elect. code L†, one elect. code N, both open on decrease	UL	FM	CSA
				127		DPST, two SPST mercury switches, elect. code L†, both open on increase	UL	FM	CSA
				129		DPST, two SPST mercury switches, one elect. code L†, one elect. code N, both open on increase	UL	FM	CSA
				158		SPDT, two SPST mercury switches, one elect. code L† - opens on increase, one elect. code N - closes on increase	UL	FM	CSA
				161		SPDT, two SPST mercury switches, one elect. code L† - opens on decrease, one elect. code N - closes on decrease	UL	FM	CSA
				156		SPDT, two SPST mercury switches, elect. code L†, one- opens on increase, one closes on increase	UL	FM	CSA
				804		DPDT, two SPDT mercury switches, elect. code M†
				(__)		Other circuits available, consult factory
			7000	153		SPDT, snap acting switch, rated 15A at 120 VAC, 8A at 240 VAC, 0.5A at 120 VDC, .25A at 240 VDC (1)
				153HS		SPDT, Hermetically sealed snap switch, rated 5A at 125/250 VAC, 5A resistive at 30 VDC	UL
				153HG		SPDT, Hermetically sealed gold contact snap switch, rated 1A at 125 VAC, 1A resistive at 30 VDC	UL
			7200	804		DPDT, two SPDT snap acting switches, rated 5A at 120/240 VAC, 30 VDC resistive (1)
可調(diào)壓差范圍					P1	Adjustable range 1.0-30" w.c. (25-760 bar), maximum sustained pressure 2 psig* (0.14 bar)	UL	FM	CSA
可調(diào)壓差范圍					P2	Adjustable range 0.5-5 psig (.03-.35 bar), maximum sustained pressure 10 psig* (0.69 bar)	UL	FM	CSA

*	Maximum sustained pressure 15 psig (1.0), maximum surge limit 20 psig (1.4), both ranges when used as single pressure switch with low pressure port vented to atmosphere.
¹	7000-153 and 7200-804 not available with PR or PRL manual reset.
†	See Electrical Rating Chart Below.

ELECTRICAL RATINGS - Mercury Switch