MT

7
sensing.honeywell.com
MICRO SWITCH™ Premium Large Basic Switches
O.F. • Operating force
R.F. • Release force
P.T. • Pretravel
O.T. • Overtravel
D.T. • Differential travel
O.P. • Operating position
MT SERIES ORDER GUIDE
Catalog
Listing
Recommended
For
Electrical
Data and
UL Codes
O.F.
N [oz]
R.F.
min.
N [ oz]
P. T.
max.
mm
[in]
O.T.
min.
mm
[in]
D.T.
mm [in]
O.P. max.
mm [in]
MT-4R-A28 Pin plunger
10 A
K
3,34 to 5,0
[12 to 18]
1,39
[5]
1,02
[0.04]
0,13
[0.005]
0,1 to 0,18
[0.004 to 0.007]
15,9 ±0,38
[0.625
±0.015]
MT-4RV-A28 Straight lever
10 A
K
0,56
[2]
0,14
[0.5]
12,7
[0.5]
1,19
[0.047]
2,16
[0.085]
19,1
[0.750]
MT-4RV2-A28
48,3 mm [1.90 in]
lever with SST roller
10 A
K
0,76
[2.75]
0,07
[0.25]
8,89
[0.35]
0,79
[0.031]
1,65
[0.065]
30,2
[1.188]
MT-4RV22-A28
26,2 mm [1.03 in]
lever with SST roller
10 A
K
1,25
[4.5]
0,28
[1]
5,08
[0.20]
0,38
[0.015]
0,89
[0.035]
31,3
[1.234]
MT-4RL-A28
49,5 mm 1.95 in]
flexible leaf
10 A
K
3,34
[12]
0,28
[1]
6,35
[0.25]
1,52
[0.060]
max.
–
19,1
[0.750]
MT-4RL2-A28
46,2 mm [1.82 in]
flexible leaf with SST
roller
10 A
K
3,34
[12]
0,28
[1]
6,35
[0.25]
1,52
[0.060]
max.
–
30,2
[1.188]
* ±0,76 mm [±0.030 in]
ELECTRICAL DATA AND UL CODES
Table 3. MT Series UL Electrical Ratings
Code Circuitry Electrical data and UL codes
K
SPDT (un-
less other-
wise noted
in order
guide)
Rating established with switch non-polarized
10 A, 125 Vac or Vdc;
1/4 HP, 125 Vac or Vdc
UL Code L 168
Non-polarized:
10 A res. or 1/4 HP, 125 Vdc;
3 A max. res. 250 Vdc
Polarized*:
10 A res. or 1/2 HP, 125 Vdc;
3 A max. res., 250 Vdc
*To polarize, connect negative side of line to common terminal. To
achieve the same effect, mount switch with brass screws, using a
non-magnetic barrier (at least 1⁄4 N thick) between the switch and
mounting surface