Product Description

Reliable Emergency Shutdown Protection for Sauna Safety Systems

The Harvia A-EMS Emergency Stop Switch is designed to provide immediate interruption of safety circuits in sauna environments and other demanding installations. Engineered for dependable performance in humid and temperature-variable conditions, this emergency switch enhances operational safety while supporting integrated warning and control systems.

Built with splash-resistant construction and dual-contact functionality, the A-EMS supports both emergency shutdown activation and external warning devices such as horns, lamps, or visual indicators. Designed to perform reliably across a wide operating temperature range, it is suitable for environments where durability and fast response are essential.

Compact and practical in design, the A-EMS adds an additional layer of safety for residential and commercial sauna systems.

Key Features

  • Emergency Shutdown Function: Provides immediate interruption of connected safety circuits.

  • Dual Contact Configuration: Supports both safety shutdown and external warning signal activation.

  • Warning Device Compatibility: Can connect to alarms, lamps, horns, and optical indicators.

  • Wide Temperature Range: Designed for reliable operation in demanding environmental conditions.

  • Splash-Proof Construction: IPX4 protection supports use in humid sauna environments.

  • Instant Alert Capability: Supports simultaneous notification when connected to signaling devices.

  • Compact Installation Design: Space-efficient structure simplifies installation placement.

  • Designed for Demanding Applications: Suitable for sauna environments and moisture-prone areas.

Specifications

Model: A-EMS
Product Type: Emergency Stop Switch
Operating Temperature Range: -25°C to +70°C
Protection Rating: IPX4
Contact Configuration: 1 x NC (Normally Closed), 1 x NO (Normally Open)
Function: Safety Circuit Interruption and Warning Signal Activation

Specifications

Width: 100 mm
Height: 100 mm
Depth: 20 mm

User Manual

Compatibility before connection Not sure this is the right piece? Ask away. We can help you check heater compatibility, control requirements and what belongs in the system.

Controls can depend on the exact heater model, electrical configuration and accessories being used. If you are unsure whether this control belongs with your heater, send us the heater name or link.

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Harvia product: Harvia Emergency Stop Switch | A-EMS
Final electrical connection, wiring and code requirements should be confirmed using Harvia documentation and the appropriate licensed electrical professional.
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