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Dwyer Mark User Manual

Page 6

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5

Construction


Output
Type

Switch Type
& Rating

1
3
4

1
2
3
31
32
35
310
320
4
5

51

52
6
7
8
9

A

B
C

D

G
H
I
M

0
R

S
T

V

W

Mark 1, Magnetic Coupling
Mark 3, Multi-Turn
Mark 4, Thru-Shaft

1 Switch
2 Switches
1K OHM Potentiometer 1/2%. Available with switches, see note below.*
1K OHM Potentiometer 1/4%. Available with switches, see note below.*
2K OHM Potentiometer. Available with switches, see note below.*
5K OHM Potentiometer. Available with switches, see note below.*
10K OHM Potentiometer. Available with switches, see note below.*
20K OHM Potentiometer. Available with switches, see note below.*
4 Switches
Transmitter 1K OHM Potentiometer 1/2%. 4 to 20mA. Available with
switches, see note below.*
Transmitter 1K OHM Potentiometer 1/4%. Available with switches, see note
below.*
Transmitter 2K OHM Potentiometer. Available with switches, see note
below.*
6 Switches. Available with Switch Types B, C, I, R, V, W.
AS-interface and 1 Switch. Available with Switch Types B, I, R, W.
AS-interface and 2 Switches. Available with Switch Types B, I, R, W.
Transmitter with HART

®

communication. Available with switches, see note

below.*

SPDT Snap, Rated: 15A @ 125/250/480 VAC (~) ; 1/8 hp @ 125 VAC
(~), 1/4 hp @ 250 VAC (~), 1/2A @ 125 VDC ( ), 1/4A @ 250 VDC( ).
Inductive Sensor. 10 to 30 VDC ( ). Load: 0.1A.
SPDT High Temperature Snap, 350°F (176°C) for 600 hours, Rated:
15.1A @ 125/250/277 VAC (~).
DPDT Snap, Rated: 10A @ 125/250 VAC (~), 0.3A @ 125 VDC ( ),
0.15A @ 250 VDC ( ).
SPDT Gold Contact Snap, Rated: 1A @ 125 VAC (~).
SPDT Hermetically Sealed Snap, Rated: 1A @ 125 VAC (~).
NAMUR Inductive Sensor. 15 mA max @ 5-25 VDC ( ).
SPDT Magnetic Blow-Out, Rated: 10A @ 125 VAC (~)/VDC ( ), 1/4 hp
@ 125 VAC (~)/VDC ( ).
No Switches
SPDT Hermetically Sealed Reed, Rated: 2A @ 125 VAC (~), 2A @
24 VDC ( ).
SPDT Snap, Rated: 4A @ 125/250 VAC (~).
SPDT High Temperature Snap, 250°F (121°C) Continuous, Rated: 5A
@ 125/250/480 VAC (~).
SPDT Snap, Rated: 10A @ 125/250 VAC (~), 1/3 hp @ 125/250 VAC
(~), 1/2A @ 125 VDC ( ), 1/4A @ 250 VDC ( ), 4A @ 125 VAC
(tungsten).
SPDT Gold Contact Snap, Rated 0.1A @ 125 VAC (~).

Available

Options “A”

signifies

available with

corresponding

construction

style.
Mark

1 3 4

--
A
A
A
A
A
A
A

A

A

A

A
--
--
A

A

--
A

A

A
--
--
A

A
--

--
A

A

A

A
A
A
A
A
A
A
A

A

A

A

A
A
A
A

A

A
A

A

A
A
A
A

A
A

A
A

A

A

A
A
A
A
A
A
A
A

A

A

A

A
A
A
A

A

A
A

A

A
A
A
A

A
A

A
A

A

A

*Note: Mark 1 and 4 potentiometer and transmitter outputs will have no switches when ordered with switch type 0; 2
switches if ordered with switch types B, C, I, R, V, or W; and 4 switches if ordered with switch type S. Mark 3
potentiometer and transmitter outputs will have no switches when ordered with switch type 0, and 2 switches if ordered
with switch types A, D, G, M or T.

Available on Mark 1, 3, 4