Benefits
- Very fast shut off time
- Maintenance free
- Open and enclosed version
- Freely configurable modular principle
- High quality contacts for a long lifetime
- Customized solutions on request
- Positive opening contacts
- Robust and modular design
- Very compact design

Specifications
Short overview specifications
ACC. IEC 947-3, EN 60947-3 | Unit | from | to |
---|---|---|---|
Rated operational current Ie AC-21A | A | 16 | 125 |
Rated operational voltage Ue | V | 690 | 500 |
Rated uninterrupted current Ith (open) | A | 20 | 125 |
Rated uninterrupted current Ithe (encapsulated) | A | 20 | 125 |
Rated insulation voltage Ui Insulation group C acc. VDE 0110 | V | 690 | 500 |
Rated impulse withstand voltage Uimp (III/3) | kV | 4 | 6 |
Making Breaking capacity | Unit | from | to | |
---|---|---|---|---|
AC3 | Service category | |||
Motor switch for operational switching | 230 V 3~ | kW | 3 | 22 |
Motor switch for operational switching | 400 V 3~ | kW | 5,5 | 45 |
Motor switch for operational switching | 690 V 3~ | kW | 5,5 | 45 |
Single-phase motor | 230 V 3~ | kW | 2,2 | 11 |
Single-phase motor | 400 V 3~ | kW | 3 | 18,5 |
AC23A(B) | Service category | |||
Motor switch | 230 V 3~ | kW | 4 | 37 |
Main switch | 400 V 3~ | kW | 7,5 | 45 |
Maintenance switch | 690 V 3~ | kW | 7,5 | 45 |
3D View
The MERZ Cam Switch series MN104 – MN756, from 10A to 125A, are freely configurable thanks to their modular principle.
3D-Model: MN-A_151_4.0200 with handle and front plate
Click on the image to activate the 3D view. You can move the model by dragging it with the mouse.
DESIGN








Design Front Mounting
2/4-hole mounting
with front plate without lockout handle
Design Front Mounting
Central mounting 22,5 / 30,5 mm
with front plate without lockout handle
Design Front Mounting
Central mounting 22,5 / 30,5 mm
without front plate without lockout handle
Design Front Mounting
2/4-hole mounting
with front plate and lockout handle for 1 or 2 padlocks
Design Front Mounting
Central mounting 22,5 / 30,5 mm
with front plate and lockout handle for 1 or 2 padlocks
Design Front Mounting
Central mounting 16,0 mm
without front plate without lockout handle
Design Front Mounting
2/4-hole mounting
with lockout handle for 3 padlocks
Design Front Mounting
Central mounting 22,5 / 30,5 mm
with lockout handle for 3 padlocks








Design Base Mounting
Distribution board mounting with screw and snap-on mounting
with front plate without lockout handle
Design Base Mounting
Cover coupling
with front plate without padlock
Design Base Mounting
Door coupling
with front plate without padlock
Design Base Mounting
Distribution board mounting 2 with screw and snap fastening
with front plate and lockout handle for 1 or 2 padlocks
Design Base Mounting
Cover coupling
with front plate and lockout handle for 1 or 2 padlocks
Design Base Mounting
Door coupling
with front plate and lockout handle for 1 or 2 padlocks
Design Base Mounting
Cover coupling
with lockout handle for 3 padlocks
Design Base Mounting
Door coupling
with lockout handle for 3 padlocks











Design Wall Mounting Series "i"
I1N red/yellow
with lockout handle for 3 padlocks
Design Wall Mounting Series "i"
I1N black/grey
with lockout handle for 3 padlocks
Design Wall Mounting Series "i"
I1N black/grey
with front plate without lockout handle
Design Wall Mounting Series "i"
I1N black/grey
with front plate and lockout handle for 1 or 2 padlocks
Design Wall Mounting Series "i"
I1N red/yellow
with front plate and lockout handle for 1 or 2 padlocks
Design Wall Mounting Series "i"
I1N black/grey
with front plate and key operation
Design Wall Mounting Series "i"
I3N black/grey
Safety-switch with cover locking
with lockout handle for 3 padlocks
Design Wall Mounting Series "i"
I10N red/yellow
with lockout handle for 3 padlocks
Design Wall Mounting Series "89"
8920/8940 black/grey
with lockout handle for 3 padlocks
Design Wall Mounting Series "89"
8960/8980 red/yellow
with lockout handle for 3 padlocks
Design Wall Mounting Series "AL"
AL 2-5 red/yellow
Aluminium Enclosure with lockout handle for 3 padlocks
CONTACT DIAGRAMS
















A _ _ _ /1.
1 pole, switching angle 60°
FB 6001
A _ _ _ /2.
2 pole, switching angle 60°
FB 6001
A _ _ _ /3.
3 pole, switching angle 60°
FB 6001
A _ _ _ /62.
1 pole, switching angle 90°
FB 9229
A _ _ _ /50.
2 pole, switching angle 90°
FB 9229
A _ _ _ /6.
3 pole, switching angle 90°
FB 9229
A _ _ _ /22.
3 pole +N, switching angle 90°
FB 9229
A _ _ _ /143.
A _ _ _ /10.
6 pole, switching angle 90°
FB 9229
A _ _ _ /215.
3 pole +1NO, switching angle 90°
FB 9229
A _ _ _ /216.
3 pole +1NO+1NC, switching angle 90°
FB 9229
A _ _ _ /219.
6 pole +1NO+1NC, switching angle 90°
FB 9229
A _ _ _ /394.
9 pole +1NO+1NC, switching angle 90°
FB 9229
A _ _ _ /227.
Switch with Spring return in 0-position
1 pole
FB 4024
A _ _ _ /228.
Switch with Spring return in 0-position
2 pole
FB 4024
A _ _ _ /229.
Switch with Spring return in 0-position
3 pole
FB 4024



























Z _ _ _/1.
1 pole, switching angle 60°
with 0-position
FB 6002
Z _ _ _/2.
2 pole, switching angle 60°
with 0-position
FB 6002
Z _ _ _/3.
3 pole, switching angle 60°
with 0-position
FB 6002
Z _ _ _/12.
4 pole, switching angle 60°
with 0-position
FB 6002
Z _ _ _/4.
1 pole, switching angle 60°
without 0-position
FB 6018
Z _ _ _/5.
2 pole, switching angle 60°
without 0-position
FB 6018
Z _ _ _/6.
3 pole, switching angle 60°
without 0-position
FB 6018
Z _ _ _/23.
4 pole, switching angle 60°
without 0-position
FB 6018
Z _ _ _/9.
5 pole, switching angle 60°
with 0-position
FB 6002
Z _ _ _/26.
6 pole, switching angle 60°
with 0-position
FB 6002
Z _ _ _/27.
7 pole, switching angle 60°
without 0-position
FB 6018
Z _ _ _/235.
1 pole, separate contacts
switching angle 60° with 0-position
FB 6002
Z _ _ _/237.
3 pole, separate contacts
switching angle 60° with 0-position
FB 6002
Z _ _ _/230.
1 pole, separate contacts
switching angle 60° without 0-position
FB 6018
Z _ _ _/232.
3 pole, separate contacts
switching angle 60° without 0-position
FB 6018
Z _ _ _/147.
Change-over switch with 0-position
2 pole, 90° switching angle
FB 9009
Z _ _ _/185.
Change-over switch with 0-position
3 pole+N, 90° switching angle
(mains change-over-switches)
FB 9009
Z _ _ _/67.
Change-over switch with 0-position
1 pole, 40° switching angle
duplex spring return to 0-position
FB 4001
Z _ _ _/48.
Change-over switch with 0-position
2 pole, 40° switching angle
duplex spring return to 0-position
FB 4001
Z _ _ _/65.
Change-over switch with 0-position
3 pole, 40° switching angle
duplex spring return to 0-position
FB 4001
Z _ _ _/212.
On-Off switch 40° switching angle
spring return to STOP-position
1-polig
FB 4014
Z _ _ _/241.
On-Off switch 40° switching angle
spring return to STOP-position
1-polig, separate contacts
FB 4014
Z _ _ _/213.
On-Off switch with indexing position 90°/40°
switching angle, spring return to position 1
1 pole
FB 1039
Z _ _ _/243.
On-Off switch with indexing position 90°/40°
switching angle, spring return to position 1
2 pole
FB 1039
Z _ _ _/242.
On-Off switch with indexing position 90°/40°
switching angle, spring return to position 1
1 pole, separate contacts
FB 1039
Z _ _ _/214.
On-Off switch with indexing position 60°/30°
switching angle, spring return to position 1 or 2
1 pole, 60°/30°
FB 1001
Z _ _ _/244.
On-Off switch with indexing position 60°/30°
switching angle, spring return to position 1 or 2
1 pole, separate contacts 60°/30°
FB 1001








V _ _ _/10.
Step Switch with 0-position
60° switching angle, 2 steps
1 pole
FB 6013
V _ _ _/1224.
Step Switch with 0-position
1 pole, 45° switching angle, 3 steps
FB 4004
V _ _ _/1221.
Step Switch without 0-position
1 pole, 60° switching angle, 4 steps
FB 6028
V _ _ _/1222.
Step Switch without 0-position
1 pole, 60° switching angle, 5 steps
FB 6014
V _ _ _/64.
Step Switch with 0-position
1 pole, 45° switching angle, 7 steps
FB 4015
V _ _ _/60.
Step Switch with 0-position
1 pole, 45° switching angle, 6 steps
FB 4007
V _ _ _/1202.
Step Switch with 0-position
5 pole, 45° switching angle, 3 steps
FB 4004
V _ _ _/1225.
Step Switch with 0-position
1 pole, 45° switching angle, 5 steps
FB 4088









V _ _ _ /46.
Group switch 60° switching angle, 2 groups
1 pole
FB 6013
V _ _ _ /1204.
Group switch 60° switching angle, 2 groups
2 pole
FB 6013
V _ _ _ /174.
Group switch 60° switching angle, 2 groups
3 pole
FB 6013
V _ _ _ /38.
Group switch 45° switching angle, 3 groups
1 pole
FB 4004
V _ _ _ /1205.
Group switch 45° switching angle, 3 groups
2 pole
FB 4004
V _ _ _ /30.
Group switch 45° switching angle, 3 groups
3 pole
FB 4004
V _ _ _ /1206.
Group switch 45° switching angle, 2 groups in series
1 pole
FB 4004
V _ _ _ /1207.
Group switch 45° switching angle, 2 groups in series
2 pole
FB 4004
V _ _ _ /1208.
Group switch 45° switching angle, 2 groups in series
3 pole
FB 4004







V _ _ _ /2.
Voltmeter selector switch with 0-position
30° switching angle
3 phases to N
FB 3006
V _ _ _ /3.
Voltmeter selector switch with 0-position
30° switching angle
3 line voltages
FB 3006
V _ _ _ /49.
Voltmeter selector switch with 0-position
30° switching angle
3 line voltages and 3 phases to N
FB 3004
V _ _ _ /188.
Voltmeter selector switch with 0-position
30° switching angle
3 line voltages for 2 mains
FB 3002
V _ _ _ /1144.
Voltmeter selector switch with 0-position
30° switching angle
3 line voltages
FB 3016
V _ _ _ /1146.
Voltmeter selector switch with 0-position
30° switching angle
3 voltages, 3 currents
FB 9001
V _ _ _ /1210.
Voltmeter selector switch without 0-position
30° switching angle
3 line voltages, 3 phases to N
FB 3103




V _ _ _ /1212.
90° switching angle
1 pole, 3 transformer circuits without 0-position
FB 9042
V _ _ _ /147.
90° switching angle
1 pole, 3 transformer circuits
FB 9003
V _ _ _ /1145.
90° switching angle
2 pole, 3 transformer circuits
FB 9003
V _ _ _ /1146.
Voltmeter-ammeter selector switch
90° switching angle
3 Spannungen, 3 Ströme
FB 9001









V _ _ _ /1403.
Code switch 30° switching angle
Binary-Code
0-7
FB 3021
V _ _ _ /1404.
Code switch 30° switching angle
Binary-Code
0-7 complement
FB 3021
V _ _ _ /1405.
Code switch 30° switching angle
Binary-Code
0-7 + complement
FB 3021
V _ _ _ /1406.
Code switch 30° switching angle
Binary-Code
0-11
FB 3009
V _ _ _ /1407.
Code switch 30° switching angle
Binary-Code
0-11 complement
FB 3009
V _ _ _ /1408.
Code switch 30° switching angle
Binary-Code
0-11 + complement
FB 3009
V _ _ _ /1409.
Code switch 30° switching angle
BCD-Code
0-9
FB 3088
V _ _ _ /1410.
Code switch 30° switching angle
BCD-Code
0-9 complement
FB 3088
V _ _ _ /1411.
Code switch 30° switching angle
BCD-Code
0-9 + complement
FB 3088





W _ _ _ /2.
Reversing switch 60° switching angle
2 pole, with 0-position
FB 6002
W _ _ _ /3.
Reversing switch 60° switching angle
3 pole, with 0-position
FB 6002
W _ _ _ /5.
Reversing switch 60° switching angle
3 pole, one-side spring return to 0-position 60°/30°
FB 1024
W _ _ _ /7.
Reversing switch 30° switching angle
3 pole, duplex spring return to 0-position 30°
FB 3030
W _ _ _ /12.
Reversing switch 60° switching angle
3 pole, without 0-position
FB 6018






S _ _ _ /1.
Star-delta switch
60° switching angle
standard
FB 6003
S _ _ _ /2.
Star-delta switch
60° switching angle
with I-contact for contactor control without mains contacts
FB 6003
S _ _ _ /3.
Star-delta switch
45° switching angle
2 rotating directions
FB 4002
S _ _ _ /5.
Star-delta switch
60° switching angle
for individually compensated motors
FB 6003
S _ _ _ /16.
Star-delta switch
45/90° switching angle
2 rotating directions with I-contact
FB 1032
S _ _ _ /26.
Star-delta switch
60° switching angle
with I-contact for contactor control
FB 6003






P _ _ _ /1.
Multi-speed switch 60° switching angle
2 speed switches, tapped windings
FB 6012
P _ _ _ /2.
Multi-speed switch 60° switching angle
2 speed switches, tapped windings with I-contact for contactor control
FB 6012
P _ _ _ /3.
Multi-speed switch 45° switching angle
2 speed switches, tapped windings, 2 rotating directions
FB 4003
P _ _ _ /7.
Multi-speed switch 60° switching angle
2 speed switches, 2 separate windings
FB 6012
P _ _ _ /6.
Multi-speed switch 45° switching angle
2 speed switches, tapped windings, with starting position
FB 4089
P _ _ _ /24.
Multi-speed switch 60° switching angle
2 speed switches, 2 separate windings, 2 rotating directions
FB 6108





E _ _ _ /1.
Single-phase starter switch
30°/60° switching angle
with spring return to position 1, 90°/40°
FB 1038
E _ _ _ /2.
Single-phase starter switch
30°/60° switching angle
with spring return to 0-position
FB 1042
E _ _ _ /3.
Single-phase starter switch
30°/60° switching angle
with spring return to position 1, 2 rotating directions
FB 1043
E _ _ _ /4.
Single-phase starter switch
30°/60° switching angle
with spring return to 0-position, 2 rotating directions
FB 1044
E _ _ _ /5.
Single-phase starter switch
30°/60° switching angle
reversing 60°, with operating capacitor
FB 6002
Download
-
Contact diagrams on_off
(793.7 KB) -
Contact diagrams change
(836.7 KB) -
Contact diagrams step
(780.0 KB) -
Contact diagrams group
(1.0 MB) -
Contact diagrams voltmeter
(692.2 KB) -
Contact diagrams ammeter
(729.3 KB) -
Contact diagrams code
(662.3 KB) -
Contact diagrams reversing
(635.5 KB) -
Contact diagrams star-delta
(716.4 KB) -
Contact diagrams multispeed
(793.0 KB) -
Contact diagrams single-phase
(658.0 KB)
APPLICATION EXAMPLES

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Distribution Cabinet V/VEV

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Swing crane

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Welding machines

Bakery production line

Cleaning
High pressure cleaning

Pillar crane
Accessories



















Extension terminals
Blade terminals
Heavy current connectors
Protecting covers
Gold plated contacts
Snap-on mounting on mounting rail
Pressure balance element
Back Panel Gasket I1-I3
EMC shielding solution
Undervoltage release UVR
PE-terminal - N-terminal
Switch couplings
Handles P / Sphercial handles K
Locking Handles with large cutout
Key operation
Steel-axle-shaft / Extension shafts
Additional front plates yellow
Additional front plates
Additional front plates