MB OWRG 3000W 400V 6/4 inch heating rod for hot water tank

The MB OWRG 3000W 400V is a powerful heating element with 6/4"- Connection for electric hot water heating in storage tanks from 200 to 500 liters. Ideal for heating support in winter or as a sole hot water solution outside the heating season.

Highlights/Advantages

⭐ 3000 watts of power – efficient supplemental or full heating
⭐ 400V three-phase connection – stable power output
⭐ Integrated thermostat (approx. 30–75 °C) – precise temperature control
⭐ Overheating protection at approx. 90 °C – high operational reliability
⭐ 6/4"-Threaded connection – suitable for common storage tanks

Detailed description

Area of ​​application & Target audience

The MB OWRG 3000W heating element is designed for use in hot water storage tanks and heat exchangers with a volume of 200 to 500 liters. It is suitable for single-family homes, apartment buildings, and smaller commercial applications.

Everyday benefits

The electric auxiliary heater allows for rapid reheating when hot water demand is high. Outside the heating season, the storage tank can be operated entirely electrically.

Technology & equipment

The heating element operates on 400V ~ 50 Hz three-phase current. The temperature is adjustable from approximately 30 °C to 75 ±5 °C via an integrated thermostat. A thermal safety cut-off activates at approximately 90 °C.

Two indicator lights show mains connection and heating operation.

Efficiency & Operational safety

The unit should be operated at a moderate temperature to reduce limescale buildup. The radiator must be completely surrounded by water.

compatibility & System integration

Suitable for storage systems with 6/4"-Socket (max. 90 mm length). Not recommended for stainless steel storage tanks.

Technical data

Scope of delivery

• Heating element MB OWRG 3000W 400V

• User manual

• Assembly instructions

Accessories/Recommendation

Recommended additions:

• Safety group for hot water storage tank

• Storage thermostat or external control

• Buffer storage tank 200–500 liters

• PV surplus regulation for self-consumption

You can find suitable products at:
https://gemashop.de

Assembly & Safety instructions

Installation must be carried out exclusively by an approved specialist company with valid electrical qualifications.
Maximum fuse rating 25A.
Operation only when fully immersed in water.
Not suitable for other liquids.

FAQ

Is the heating element suitable for 230V?
No, this model requires 400V three-phase power.

Will the heating element fit in every storage tank?
He needs a 6/4"-Socket with a maximum length of 90 mm.

Can the heating element serve as the sole heat source?
Yes, outside of the heating season it can heat the water completely.

Is temperature control integrated?
Yes, an adjustable thermostat is installed.

Is there overheating protection?
Yes, a safety shutdown occurs at approximately 90 °C.

Is this device suitable for stainless steel storage tanks?
Its use is not recommended.

Conclusion

The MB OWRG 3000W is a reliable solution for electric water heating in 400V systems. Ideal for retrofitting or as a seasonal addition.