产品品牌：

德维尔Dwyer

产品型号：

H3

H3防爆压差开关

 

产品名称: H3防爆压差开关

产品型号:H3

用途：防爆设计，适用于工业精密测控
可调压差范围：2.44-44.78KPa,3.44-103KPa,34.4-482KPa,68.9-1379KPa
死区：可调范围的5%
压力腔材质：铝，铜或不锈钢可选
连接：1/8"NPT
耐压：1500PSIG
温度：105°C
输出：SPDT/DPDT可选
重量：2Kg
尺寸：76.2X136.53mm

 

型号	压力腔材质	膜盒材质(Wetted)	可调范围	开关(Switch)	单价	备注
H3A-1SL	Aluminum	Nitrile	10-180" w.c. (2.48-44.78 kPa)	SPDT Snap Action Switch, Rated 5 A @ 125/250 VAC, 30 VDC		标准
H3A-2SL	Aluminum	Nitrile	0.5-15 psid (0.3-1 bar)	SPDT Snap Action Switch, Rated 5 A @ 125/250 VAC, 30 VDC		标准
H3A-3SL	Aluminum	Nitrile	5-70 psid (.34-4.8 bar)	SPDT Snap Action Switch, Rated 5 A @ 125/250 VAC, 30 VDC		标准
H3S-1SL	316 SS	Viton®	10-180" w.c. (2.48-44.78 kPa)	SPDT Snap Action Switch, Rated 5 A @ 125/250 VAC, 30 VDC		标准
H3S-2SL	316 SS	Viton®	0.5-15 psid (0.3-1 bar)	SPDT Snap Action Switch, Rated 5 A @ 125/250 VAC, 30 VDC		标准
H3S-3SL	316 SS	Viton®	5-70 psid (.34-4.8 bar)	SPDT Snap Action Switch, Rated 5 A @ 125/250 VAC, 30 VDC		标准

选型表 

举例	H3	S	2	S	C	MV	H3S-2SC-MV Differential Pressure Control; 316SS pressure chamber and Viton® diaphragm, weatherproof and ATEX, SPDT snap action switch with gold contacts; fixed deadband; automatic reset; adjustable range 0.5-15 psid.
结构	H3						Series designator, weatherproof and explosion-proof
压力腔& 膜盒材质(Wetted)		A S					Aluminum chamber with Nitrile diaphragm 316SS chamber with Viton® diaphragm
可调范围			1 2 3 4				Adjustable range 10-180" w.c. (2.48-44.78 kPa) Adjustable range 0.5-15 psid (0.03-1 bar) Adjustable range 5-70 psid (.34-4.8 bar) Adjustable range 10-200 psid (.7-13.8 bar)
开关(Switch)				S D			SPDT snap action switch rated 5A @ 125/250VAC, 30 VDC DPDT snap action switch rated 5A @ 125/250VAC, 30 VDC
电气连接					L T C		18 AWG x 18 inch lead wires UL, CSA approved internal terminal block ATEX approved internal terminal block
可选项						DRAIN MV VIT	Housing with drain - allows condensate to be drained from inside enclosure (meets NEMA 3 instead of 4X) Gold contacts on snap switch for dry circuits rated 1A @ 125VAC, 1A resistive or 0.5A inductive @ 30VDC Viton® diaphragm option where not standard

 

危险场所/全天候防护等级

Model	UL	CSA	Directive 94/9/EC ATEX Compliant
H3_-__C	---	---	0344 II 2 G EEx d IIB -20°C≤ T amb ≤75°C T6 EC-Type Certificate No. KEMA 03ATEX 2584
H3_-__L H3_-__T	Cl. I, Gr. B, C & D Cl. II, Gr. E, F & G NEMA 4X	Cl. I, Gr. B, C & D Cl. II, Gr. E, F & G NEMA 4X	---
H3_-__C-DR	---	---	0344 II 2 G EEx d IIB -20°C≤ T amb ≤75°C T6 EC-Type Certificate No. KEMA 03ATEX 2584
H3_-__L-DR	Cl. I, Gr. B, C & D Cl. II, Gr. E, F & G NEMA 3	---	---

详细资料:H3.pdf