
5
Microswitches MK series
Technical data
Housing
Housing made of glass fiber reinforced technopolymer, self-extinguishing and shockproof.
Protection degree acc. to EN 60529: IP00 without terminal cover
IP20 (with terminal cover VF C01, VF C03)
IP40 (with terminal cover VF MKC•1•, VF C02)
IP65 (with terminal cover VF MKC•22 +
MK V•2••• or VF MKC•23 + MK H•2•••)
General data
Ambient temperature: -25°C … +85°C
Max. actuation frequency: 3600 operating cycles1/hour
Mechanical endurance: 10 million operating cycles
Safety parameters:
B
10d
Tightening torques for installation: see pages 235-246
(1) One operation cycle means two movements, one to close and one to open contacts, as defined in EN 60947-5-1.
1
: 20,000,000 for NC contacts
Main features
Technopolymer housing
High reliability contacts
Protection degree up to IP65
4 terminal types available
47 actuators available
Versions with positive opening
Versions with gold-plated silver contacts
Terminal covers with wiretrap cable gland
Markings and quality marks:
IMQ approval: CA02.05772
UL approval: E131787
CCC approval: 2013010305604291
EAC approval: RU C-IT ДМ94.В.01024
Installation for safety applications:
Use only microswitches marked with the symbol
closed contacts) as stated in standard EN 60947-5-1, encl. K, par. 2. Actuate the switch at least up to the positive opening travel (CAP)
stated aside the article code. Actuate the switch at least with the positive opening force (FAP) stated aside the article code.
Cable cross section (flexible copper strands)
MK series: min. 1 x 0.34 mm2 (1 x AWG 22)
max. 2 x 1.5 mm
In conformity with standards:
IEC 60947-5-1, EN 60947-5-1, IEC 60529, EN 60529, EN 60947-1, IEC 60947-1.
Approvals:
UL 508, CSA 22.2 No.14, EN 60947-1, EN 60947-5-1.
In conformity with the requirements of:
Low Voltage Directive 2006/95/EC, Machinery Directive 2006/42/EC and
EMC Directive 2004/108/EC.
Positive contact opening in conformity with standards:
IEC 60947-5-1, EN 60947-5-1.
aside the product code. Always connect the safety circuit to the NC contacts (normally
2
(2 x AWG 16)
If not expressly indicated in this chapter, for correct installation and utilization of all articles see chapter utilization requirements
from page 235 to page 246.
Electrical data Utilization category
Thermal current (Ith): 16 A
Rated insulation voltage (Ui): 250 Vac 300 Vdc
Rated impulse withstand voltage (U
Conditional short circuit current: 1000 A acc. to EN 60947-5-1
Protection against short circuits: type gG fuse 16 A 250 V
Pollution degree: 3
Dielectric strength 2000 Vac/min.
): 4 kV
imp
147
Alternating current: AC15 (50 … 60 Hz)
Ue (V) 250 120
Ie (A) 6 6
Direct current: DC13
Ue (V) 24 125 250
Ie (A) 5 0.6 0.3
General Catalogue 2015-2016

5
Characteristics approved by IMQ and CCC
Rated insulation voltage (Ui): 250 Vac
Conventional free air thermal current (Ith): 16 A
Protection against short circuits: type gG fuse 16 A 250 V
Rated impulse withstand voltage (Uimp): 4 kV
Conditional short circuit current: 1000 A
Protection degree of the housing: IP00
Terminals: screw terminals/faston
Pollution degree: 3
Utilization category: AC15
Operating voltage (Ue): 250 Vac (50 Hz)
Operating current (Ie): 5 A
Forms of the contact element: X; Y; C
Positive opening of contacts on contact blocks: 1, 3
In conformity with standards: EN 60947-1, EN 60947-5-1+ A1:2009, fundamental
requirements of the Low Voltage Directive 2006/95/EC.
Please contact our technical service for the list of approved products.
Circuit diagram
With direct and back direct action (F, D) With inverted action (R)
NO
NC
COMMON
Contacts with single interruption and
double contacts
COMMON
NC NO COMMON NO NCCOMMON
Actuation forces and travels
Characteristics approved by UL
Utilization categories Q300 (69 VA, 125-250 Vdc)
A300 (720 VA, 120 … 300 Vac)
In conformity with standard: UL 508, CSA 22.2 No.14
Please contact our technical service for the list of approved products.
NC NO
PC
FS
FAP
CAP
PC pre-travel
CAP positive opening travel
Microswitches with direct action
MK V11D01
Maximum and Minimum speed page 245 - type 1
16.6
14.6
4.2x5
11.9 25.4 11.9
1NO+1NC
23.3
49.2
PC
OC
CD
OC
OC over-travel
CD differential travel
9.7
4.2
0,5 mm
1,5 mm
0,05 mm
Maximum and Minimum speed page 245 - type 1 Maximum and Minimum speed page 245 - type 1
23.3
MK V11D03
24.5
14.6
4.2x5
1NO+1NC
49.2
PC
OC
CD
4.2
11.925.411.9
0,5 mm
2 mm
0,05 mm
9.7
CD
FR
24.3
12.2
17.4
FSFR4 N
24.3
12.2
17.4
FSFR4 N
Ø 2.5
3 N
Ø 3.8
3 N
Ø 7
26.3
34.2
FS operating force
FR releasing force
MK V11D02
28.5
MK V11D04
18.4
14.6
4.2x5
11.9 25.4 11.9
1NO+1NC
14.6
4.2x5
11.9 25.4 11.9
1NO+1NC
PC
OC
CD
PC
OC
CD
23.3
49.2
23.3
49.2
PC
4.2
0,5 mm
2 mm
0,05 mm
4.2
0,5 mm
2 mm
0,05 mm
FS
FAP
CAP
OC
FAP positive opening force
All measures in the drawings are in mm
Ø 2.5
9.7
24.3
FSFR4 N
9.7
24.3
FSFR4 N
28.1
12.2
17.4
3 N
Ø 3.8
Ø 7
38.2
12.2
17.4
3 N
CD
FR
Maximum and Minimum speed page 245 - type 1 Maximum and Minimum speed page 245 - type 1
General Catalogue 2015-2016
148