Cam Switches

Cam Switches according to their contact arrangement are fitted with switching chambers with 1, 2 or 3 (series 111 only) double interrupted conduct paths. Each conduct path is arranged of 2 firmly seated terminals and one mobile contact bridge which is guided by a plunger. The contact bridge is positively opened by the cam and closed by a spring. The indexing device is available in different torques and 4 different switching angles. The finger proof Cam Switches are equipped with screws with captive screw heads. All terminals are fitted with screwdriver guiding, funnel-shaped cable entries and in chamber like design. Cable end stops assure the correct insertion depth.

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
show more technical data
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

Find out more

Download the complete specifications and get an overview of our high-performance products.

Complete specifications Cam Switches MN
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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
Design Base Mounting
Design Wall Mounting Enclosed

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 | On-Off switches
Z | Change-over switches
V | Step switches
V | Group switches
V | VOLTMETER SELECTOR SWITCHES
V | AMMETER SELECTOR SWITCHES
V | CODE SWITCHES
W | REVERSING SWITCHES
S | STAR DELTA SWITCHES
P | MULTI-SPEED SWITCHES
E | SINGLE-PHASE STARTER SWITCHES

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

APPLICATION EXAMPLES

Mobile Power

Distribution Cabinet V/VEV

Vertical circular saw

Swing crane

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