21D Series Pressure Switches

Range & models

Diaphragm pressure switches for neutral, gaseous and liquid fluids 【Technical Data】 - Medium: Neutral, gaseous and liquid fluids, non-combustible - Operation: Diaphragm - Pressure Ranges: - High pressure: 0.1 ... 10 bar (1.4 ... 145 psi) - Low pressure: 0.1 ... 6.5 bar (1.4 ... 94 psi) - Extra low pressure: 0.1 ... 2.5 bar (1.4 ... 36 psi) - Media Viscosity: Up to 1000 mm2/s - Repeatability: +/-3% of final value - Degree of Protection: IP65 - Ambient/Media Temperature: -40 ... +70degC (-40 ... 158degF)

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21D Series Pressure Switches

54 configurations

pressurerange	portsize	switchtype	circuit	circuitdiagram	electricalinterface	weightkg	dimno
21D1101	0.1 ... 10 bar (High pressure)	G1/4	A	SPDT	C1	DIN EN 175301-803; form A	0.55	1
21D1201	0.1 ... 10 bar (High pressure)	1/4 NPT	A	SPDT	C1	DIN EN 175301-803; form A	0.55	1
21D1102	0.1 ... 10 bar (High pressure)	G1/4	A	SPDT	C1	Thread for cable gland	0.55	1
21D1202	0.1 ... 10 bar (High pressure)	1/4 NPT	A	SPDT	C1	Thread for cable gland	0.50	3
21D1103	0.1 ... 10 bar (High pressure)	G1/4	A	DPDT	C2	DIN 43651; M26x1.5	0.50	3
21D1203	0.1 ... 10 bar (High pressure)	1/4 NPT	A	DPDT	C2	DIN 43651; M26x1.5	0.55	2
21D1104	0.1 ... 10 bar (High pressure)	G1/4	A	DPDT	C2	Thread for cable gland	0.55	2
21D1204	0.1 ... 10 bar (High pressure)	1/4 NPT	A	DPDT	C2	Thread for cable gland	0.50	3
21D1105	0.1 ... 10 bar (High pressure)	G1/4	B	SPDT	C1	DIN EN 175301-803; form A	0.50	3
21D1205	0.1 ... 10 bar (High pressure)	1/4 NPT	B	SPDT	C1	DIN EN 175301-803; form A	0.55	1
21D1106	0.1 ... 10 bar (High pressure)	G1/4	B	SPDT	C1	Thread for cable gland	0.55	1
21D1206	0.1 ... 10 bar (High pressure)	1/4 NPT	B	SPDT	C1	Thread for cable gland	0.50	3
21D1107	0.1 ... 10 bar (High pressure)	G1/4	B	DPDT	C2	DIN 43651; M26x1.5	0.50	3
21D1207	0.1 ... 10 bar (High pressure)	1/4 NPT	B	DPDT	C2	DIN 43651; M26x1.5	0.55	2
21D1108	0.1 ... 10 bar (High pressure)	G1/4	B	DPDT	C2	Thread for cable gland	0.55	2
21D1208	0.1 ... 10 bar (High pressure)	1/4 NPT	B	DPDT	C2	Thread for cable gland	0.50	3
21D1110	0.1 ... 10 bar (High pressure)	G1/4	C	DPDT	C3	Thread for cable gland	0.50	3
21D1210	0.1 ... 10 bar (High pressure)	1/4 NPT	C	DPDT	C3	Thread for cable gland	0.50	3
21D2101	0.1 ... 6.5 bar (Low pressure)	G1/4	A	SPDT	C1	DIN EN 175301-803; form A	0.55	1
21D2201	0.1 ... 6.5 bar (Low pressure)	1/4 NPT	A	SPDT	C1	DIN EN 175301-803; form A	0.55	1
21D2102	0.1 ... 6.5 bar (Low pressure)	G1/4	A	SPDT	C1	Thread for cable gland	0.55	1
21D2202	0.1 ... 6.5 bar (Low pressure)	1/4 NPT	A	SPDT	C1	Thread for cable gland	0.50	3
21D2103	0.1 ... 6.5 bar (Low pressure)	G1/4	A	DPDT	C2	DIN 43651; M26x1.5	0.50	3
21D2203	0.1 ... 6.5 bar (Low pressure)	1/4 NPT	A	DPDT	C2	DIN 43651; M26x1.5	0.55	2
21D2104	0.1 ... 6.5 bar (Low pressure)	G1/4	A	DPDT	C2	Thread for cable gland	0.55	2
21D2204	0.1 ... 6.5 bar (Low pressure)	1/4 NPT	A	DPDT	C2	Thread for cable gland	0.50	3
21D2105	0.1 ... 6.5 bar (Low pressure)	G1/4	B	SPDT	C1	DIN EN 175301-803; form A	0.50	3
21D2205	0.1 ... 6.5 bar (Low pressure)	1/4 NPT	B	SPDT	C1	DIN EN 175301-803; form A	0.55	1
21D2106	0.1 ... 6.5 bar (Low pressure)	G1/4	B	SPDT	C1	Thread for cable gland	0.55	1
21D2206	0.1 ... 6.5 bar (Low pressure)	1/4 NPT	B	SPDT	C1	Thread for cable gland	0.50	3
21D2107	0.1 ... 6.5 bar (Low pressure)	G1/4	B	DPDT	C2	DIN 43651; M26x1.5	0.50	3
21D2207	0.1 ... 6.5 bar (Low pressure)	1/4 NPT	B	DPDT	C2	DIN 43651; M26x1.5	0.55	2
21D2108	0.1 ... 6.5 bar (Low pressure)	G1/4	B	DPDT	C2	Thread for cable gland	0.55	2
21D2208	0.1 ... 6.5 bar (Low pressure)	1/4 NPT	B	DPDT	C2	Thread for cable gland	0.50	3
21D2110	0.1 ... 6.5 bar (Low pressure)	G1/4	C	DPDT	C3	Thread for cable gland	0.50	3
21D2210	0.1 ... 6.5 bar (Low pressure)	1/4 NPT	C	DPDT	C3	Thread for cable gland	0.50	3
21D3101	0.1 ... 6.5 bar (Low pressure)	G1/4	A	SPDT	C1	DIN EN 175301-803; form A	0.75
21D3201	0.1 ... 6.5 bar (Low pressure)	1/4 NPT	A	SPDT	C1	DIN EN 175301-803; form A	0.75
21D3102	0.1 ... 6.5 bar (Low pressure)	G1/4	A	SPDT	C1	Thread for cable gland	0.75
21D3202	0.1 ... 6.5 bar (Low pressure)	1/4 NPT	A	SPDT	C1	Thread for cable gland	0.70
21D3103	0.1 ... 6.5 bar (Low pressure)	G1/4	A	DPDT	C2	DIN 43651; M26x1.5	0.70
21D3203	0.1 ... 6.5 bar (Low pressure)	1/4 NPT	A	DPDT	C2	DIN 43651; M26x1.5	0.75
21D3104	0.1 ... 6.5 bar (Low pressure)	G1/4	A	DPDT	C2	Thread for cable gland	0.75
21D3204	0.1 ... 6.5 bar (Low pressure)	1/4 NPT	A	DPDT	C2	Thread for cable gland	0.70
21D3105	0.1 ... 6.5 bar (Low pressure)	G1/4	B	SPDT	C1	DIN EN 175301-803; form A	0.70
21D3205	0.1 ... 6.5 bar (Low pressure)	1/4 NPT	B	SPDT	C1	DIN EN 175301-803; form A	0.75
21D3106	0.1 ... 6.5 bar (Low pressure)	G1/4	B	SPDT	C1	Thread for cable gland	0.75
21D3206	0.1 ... 6.5 bar (Low pressure)	1/4 NPT	B	SPDT	C1	Thread for cable gland	0.70
21D3107	0.1 ... 6.5 bar (Low pressure)	G1/4	B	DPDT	C2	DIN 43651; M26x1.5	0.70
21D3207	0.1 ... 6.5 bar (Low pressure)	1/4 NPT	B	DPDT	C2	DIN 43651; M26x1.5	0.75
21D3108	0.1 ... 6.5 bar (Low pressure)	G1/4	B	DPDT	C2	Thread for cable gland	0.75
21D3208	0.1 ... 6.5 bar (Low pressure)	1/4 NPT	B	DPDT	C2	Thread for cable gland	0.70
21D3110	0.1 ... 6.5 bar (Low pressure)	G1/4	C	DPDT	C3	Thread for cable gland	0.70
21D3210	0.1 ... 6.5 bar (Low pressure)	1/4 NPT	C	DPDT	C3	Thread for cable gland	0.70

21D Series Pressure Switches

21D Series Pressure Switches

21D Series Pressure Switches

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