MC704-H V3

MC704-H V3


The MC704 V3 offers a multitude of functions for the monitoring of mechanically-controlled engines.

Rugged and inexpensive solution for use in harsh conditions
High machine availability at minimal investments for controller and engine protection.

Protection of the connected engines from damage

in the engine are reliably detected and displayed. The engine is

stopped in a controlled manner before the fault can cause severe engine


Anodised aluminium housing. Secure installation with retaineror rubber-metal mounts bolted from the rear
Fast installation and retrofit. Dependable functioning even in harsh environments.

Pre-heat and after-glow function, time- or temperature-controlled
Reliable starting process, even at very low temperatures. Reduced smoke generation.

Ignition starter switch with integrated starter safeguard lock
No external ignition starter switch required.
Mechanical protection of the starter against damage.

Operating hours counter
Reliable information about engine running times and required servicing.

Customised adaptations
Optimal and inexpensive controller, adapted for your specific needs and functions.

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  • Construction machinery Construction machinery
  • Agricultural engineering (agricultural machines) Agricultural engineering (agricultural machines)
  • Special machines Special machines
  • Diesel units for industrial applications Diesel units for industrial applications
  • Municipal utility vehicles Municipal utility vehicles

Electrical Data

Voltage range

6 – 36V (typ. 12 – 24V)

Peek voltages

200V (2ms at UB)

Power consumption

12 – 200mA (at UB 8 – 24V)

Interference voltage

14 – 28V (6Vss, 50Hz at UB)

Operating temperature

-40°C to +85°C

Storage temperature

-50°C to +85°C


oil pressure switch
temperature switche
Generator / D+
miscellaneous (Airfilter, V-Belt, etc.)
Extern Stop (tracer)


Fuel pump/torque winding (ETR or ETS) max. 20A
magnet (ETR or ETS) max. 3A
Preheat/Alarm max. 3A
D+ excitement max 0,5A
Starter max. 25A/50A (1s)

Operating hours counter



Display type

6 characters, 5mm, LCD B/W display

Mechanical Data

Installed dimensions (W x H x D)

72,5 x 72,5 x 125 mm

Housing Dimensions (W x H)

66 x 66 mm

Installation Cut-out (W x H)

72,5 x 72,5 mm

Housing material

aluminium, black anodised




Rubber-metal mounts or retainer

Degree of protection



In the device, cable feed via cable gland

Testing standards


DIN EN 60068-2-27

CE marking

according to Directive 2014/30/EU


DIN EN 60068-2-6


DIN EN 60068-2-3

Technical Drawings

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