
Description
Description
The Helo WE 40 is a multi-voltage contactor box that allows a Helo Pure or Elite Free control panel to switch electric sauna heaters of up to 15 kW. It provides the safe, reliable link between panel and heater, accepting a 230 V 3~ or 400–415 V 3N~ supply and switching SKLE, Laava and Octa heaters from 9–15 kW, Cup and Vienna heaters from 4.5–8 kW, and Havanna heaters from 4.5–9 kW. The box is designed to be installed outside the sauna room, where the cooler air protects the electronics, and it supports a sauna door switch, a remote-control contact and a switched output for the sauna light. The control panel and heater are sold separately: the WE 40 will not operate without a Helo Pure or Elite Free panel connected.
Features
Technical Specification
| Contactor box | |
| Colour | Black |
| Weight | 5.3 kg |
| Dimensions (W × H × D) | 387 × 130 × 320 mm |
| Supply voltage | 230 V 3~ or 400–415 V 3N~ |
| Maximum heater power | 15 kW |
| Compatible control panels | Helo Pure, Helo Elite Free |
| Placement | Outside the sauna room |
| Compatible heaters (per manual) | |
| SKLE, Laava | 9 kW at 230 V 3~; 9–15 kW at 400–415 V 3N~ |
| Octa | 9–15 kW at 400–415 V 3N~ |
| Cup, Vienna | 4.5–8 kW at 230 V 3~ or 400–415 V 3N~ |
| Havanna | 4.5–9 kW at 230 V 3~ or 400–415 V 3N~ |
Installation
Installation and maintenance must be carried out by a certified electrician, with the electricity supply isolated before any work begins. The contactor box is installed outside the sauna room using fixed cabling, with a connection box inside the sauna and a semi-fixed connection to the heater; a heat-resisting connection box and heat-resisting cables are required in the zones the manual specifies. All Helo D-body electric heaters paired with the WE 40 must be installed on a three-phase power supply. The installation and user manual and local wiring regulations must be followed.
Brand
Helo, founded in 1919, was the first manufacturer of electric sauna heaters, and its heaters and controls are made in Hanko, Finland. The company is part of the Sauna360 group.
Ordering note
Check your heater model, heater power and controller generation before ordering, and confirm that the matching control panel or contactor box is in place. Electrical installation must be carried out by a certified electrician.
Delivery & Returns
Delivery
We offer fast and reliable delivery to customers across the UK and beyond. For full details on shipping times and costs, please review our delivery policy.
Returns
We offer hassle-free returns within 30 days of purchase, so you can shop with complete confidence. For details, see our returns policy.
Warranty & Quality Promise
We are committed to delivering products of the highest quality, for details surrounding warranty please contact us.
Description
The Helo WE 40 is a multi-voltage contactor box that allows a Helo Pure or Elite Free control panel to switch electric sauna heaters of up to 15 kW. It provides the safe, reliable link between panel and heater, accepting a 230 V 3~ or 400–415 V 3N~ supply and switching SKLE, Laava and Octa heaters from 9–15 kW, Cup and Vienna heaters from 4.5–8 kW, and Havanna heaters from 4.5–9 kW. The box is designed to be installed outside the sauna room, where the cooler air protects the electronics, and it supports a sauna door switch, a remote-control contact and a switched output for the sauna light. The control panel and heater are sold separately: the WE 40 will not operate without a Helo Pure or Elite Free panel connected.
Features
| Contactor box | |
| Colour | Black |
| Weight | 5.3 kg |
| Dimensions (W × H × D) | 387 × 130 × 320 mm |
| Supply voltage | 230 V 3~ or 400–415 V 3N~ |
| Maximum heater power | 15 kW |
| Compatible control panels | Helo Pure, Helo Elite Free |
| Placement | Outside the sauna room |
| Compatible heaters (per manual) | |
| SKLE, Laava | 9 kW at 230 V 3~; 9–15 kW at 400–415 V 3N~ |
| Octa | 9–15 kW at 400–415 V 3N~ |
| Cup, Vienna | 4.5–8 kW at 230 V 3~ or 400–415 V 3N~ |
| Havanna | 4.5–9 kW at 230 V 3~ or 400–415 V 3N~ |
Installation
Installation and maintenance must be carried out by a certified electrician, with the electricity supply isolated before any work begins. The contactor box is installed outside the sauna room using fixed cabling, with a connection box inside the sauna and a semi-fixed connection to the heater; a heat-resisting connection box and heat-resisting cables are required in the zones the manual specifies. All Helo D-body electric heaters paired with the WE 40 must be installed on a three-phase power supply. The installation and user manual and local wiring regulations must be followed.
Brand
Helo, founded in 1919, was the first manufacturer of electric sauna heaters, and its heaters and controls are made in Hanko, Finland. The company is part of the Sauna360 group.
Ordering note
Check your heater model, heater power and controller generation before ordering, and confirm that the matching control panel or contactor box is in place. Electrical installation must be carried out by a certified electrician.
Delivery
We offer fast and reliable delivery to customers across the UK and beyond. For full details on shipping times and costs, please review our delivery policy.
Returns
We offer hassle-free returns within 30 days of purchase, so you can shop with complete confidence. For details, see our returns policy.
Warranty & Quality Promise
We are committed to delivering products of the highest quality, for details surrounding warranty please contact us.









