Rating
GENERAL
Product: Weatherproof and flameproof. NEMA 1, 2, 3, 3R, 3S, 4, 4X, 6, 7, 9, 12, 13. UL rated: Class I, Div. 1 & 2, Groups B, C, D (some units available for Group A, consult factory)
Class II, Div. 1 & 2, Groups E, F, and G. CSA rated: Class I, Div. 1 & 2, Groups A, B, C, D
Class II, Div. 1 & 2, Groups E, F, and G
Submersible to 50 feet. Certified Ex d IIC T6 IP68 15 meters).
ATEX Compliant: -B suffix, directive 2014/34/EU, KEMA 03 ATEX 2391, II 2 G Ex d IIC T6 for (-25/-40/-50°C = Tamb = 80°C optional wording) depending on output and switch type selected.
-IS suffix directive 2014/34/EU, KEMA 03 ATEX 1392X, II 1 G Ex ia IIC T4. (Switch type C is not available with ATEX; Switch type B is not available with ATEX intrinsically safe, -IS suffix).
IECEx Compliant: IE suffix, IECEx DEK II.0056X Ex d IIC T6 Gb for -25°C/-40°C/-50°C = Tamb = 70°C and T5 for -25°C/-40°C/-50°C = Tamb = 80°C. II suffix, IECEx DEK II.0061X II Ex ia IIC T4 Ga.
Compliant
Maximum operating temperature
Switch Outputs (Mark 1, 3 and 4)
-58 to 176°F (-50 to 80°C). Switch Type C rated to 350°F (176°C) for 600 hours
Switch Type T rated to 250°F (121°C) continuous. [ATEX flameproof, -B suffix, rated -50 to 80°C (-58 to 176°F) for switch type A, G, H, T, or M
-40 to 80°C (-40 to 176°F) for switch type O, R, S, V, or W
-25 to 80°C (-13 to 176°F) for switch type B, D, I, or AS interface
ATEX intrinsically safe, -IS suffix, rated -25 to 40°C (-13 to 104°F) for switch type D or I
-40 to 40°C (-40 to 104°F) for switch type R, V, or W or -50 to 40°C (-58 to 104°F) for switch type A, G or H.]
Set Point
Adjustment: Mark 1 and 4: 5 to 360°
Accuracy
Transmitter (Mark 1, 3 and 4)
±0.5% of full span. Optional ±0.25% of full span
Maximum operating temperature
-40 to 176°F (-40 to 80°C). [ATEX flameproof, -B suffix, rated -40 to 80°C (-40 to 176°F) for switch type A, G, M, O, R, S, T, V, or W
-25 to 80°C (-13 to 176°F) for switch type B, D, or I
ATEX intrinsically safe, -IS suffix, rated -25 to 40°C (-13 to 104°F) for switch type I
-40 to 40°C (-40 to 104°F) for switch type O, R, S, V, or W]
Zero and Span Adjustments
Trim pots for adjusting both. Mark 1 and 4: Span is adjustable from 50 to 300°
Mark 3: Span is adjustable from 1.5 to 8.5 revolutions
Rotational Travel
Mark 1 and 4: Minimum 50°, Maximum 300°
Mark 3: Minimum: 1.5 revolutions, Maximum: 8.5 revolutions
Connection
Conduit: 3/4" female NPT standard. Optional one or two 1/2" female NPT. M25 X 1.5 and M20 X 1.5 optional
Out of Stock
Dwyer_Instruments_42AD0_2_switches_SPDT_snap.pdf 
