Datasheet
  Switches 149
Switches
Low Prole Brass Chrome Plated Vandal Resistant
Front Panel Mounting
Front Panel Mounting
Front Panel Mounting
MPB038
Sealed to IP66
MPB031
Sealed to IP66
MPB037
Sealed to IP68
 Front Panel Sealed to IP66
 21mm diameter
 S.P.C.O. Microswitch
 5A, 250Vac
 Front Panel Sealed to IP68
 21.5mm diameter
 S.P. Push to Make
 1A, 50Vac/dc
Front Panel Sealed to IP66
28mm diameter
S.P.C.O. Microswitch
5A, 250Vac
Specications
Terminations:
Switching:
Max. Rating:
Contact Resistance:
Insulation Resistance:
Dielectric Strength:
Operating Temp. Range:
Sealing 
(Front of panel only):
Operations
Mechanical:
Electrical:
Operating Pressure:
Rear Nut Fixing Torque:
Materials
Mouldings:
Tags/Terminations:
Switch Body & Button:
Contacts:
Thread size:
RoHS
Solder Tags
S.P.C.O. Momentary Action
(Microswitch)
5A, 250Vac.
2A, 28Vdc
<10mΩ
>10³ MΩ
>2.0kVac
–20°C to +70°C
1,000,000 (min)
35,000 (min)
12.5N (typ)
1.13Nm
Glass Filled Nylon
Brass, Tin Plated
Brass
Fine Silver
1.0” x 26TPI
Compliant
MPB038 MPB031 MPB037
Solder Tags
S.P.C.O. Momentary Action
(Microswitch)
5A, 250Vac.
2A, 28Vdc
<10mΩ
>10³ MΩ
>2.0kVac
–20°C to +70°C
1,000,000 (min)
35,000 (min)
4.7N (typ)
0.57Nm
Glass Filled Nylon
Brass, Tin Plated
Brass
Fine Silver
0.747” x 26TPI
Compliant
Screw Terminals
S.P. Push to make 
Momentary action
1A, 50Vac/dc
<10mΩ
>10⁵ MΩ
>1.0kVac
–20°C to +70°C
1,000,000 (min)
30,000 (min)
7.5N (typ)
0.57Nm
Glass Filled Nylon
Brass, Tin Plated
Brass
Brass, Silver Plated, Silver
0.747” x 26TPI
Compliant
Protection Classication: 
IP66 EN60529-1:1992 + A2:2013.
(Micro switch not sealed)
Protection Classication: 
IP66 EN60529-1:1992 + A2:2013.
(Micro switch not sealed)
Protection Classication: 
IP68 EN60529-1:1992 + A2:2013.
(Micro switch not sealed) (10m for 2 weeks)










