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.
CONTACT DIAGRAMS
Download
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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)