Heat pump connection box with circuit breaker and RCD SH-1136 AC

Secure electrical connection for heat pump systems

The SH-1136 AC heat pump connection box is a compact and standards-compliant solution for the electrical protection and connection of modern heat pumps . It combines a circuit breaker and a residual current device (RCD) in a single housing, enabling clear and safe installation indoors or in protected outdoor areas. This makes the connection box ideal for new buildings, renovations, and the replacement of existing systems.

The integrated protective components reliably safeguard the heat pump against overload, short circuits, and fault currents. The connection box supports both single-phase and three-phase applications and can be flexibly adapted to different power requirements.

Technical specifications

• Product type: Heat pump connection box
• Circuit breakers: 10 A single-phase , 20 A single-phase , 16 A three-phase
• Residual current circuit breaker: RCD 40 A / 30 mA
• Version: AC
• Suitable for the electrical connection of heat pumps

Advantages and areas of application

• Compact combination of fuse and residual current protection
• Increased operational reliability for heat pump systems
• Flexible application options for 1- and 3-phase devices
• Clear installation with a well-structured layout
• Suitable for new construction, renovation and retrofitting

Installation and system integration

The SH-1136 AC junction box is installed between the power supply and the heat pump and serves as a central protection and shutdown unit. It enables neat wiring and supports standards-compliant electrical installation. Installation should be carried out by qualified personnel.

Quality and operational safety

• Reliable protection functions against overload and fault currents
• Robust housing for continuous use
• Suitable for professional use in heating and energy systems

FAQ

• For which heat pumps is the connection box suitable?
  Answer: For single-phase and three-phase heat pumps with corresponding safety requirements.
• Is a residual current device (RCD) integrated?
  Answer: Yes, an RCD 40 A / 30 mA is already integrated.
• Is it permissible to mount the junction box outdoors?
  Answer: It is suitable for indoor spaces or sheltered outdoor areas, depending on the installation situation.

Advice and support

Do you want to ensure that the SH-1136 AC heat pump connection box is compatible with your system? The Voltaik.shop team will gladly assist you in selecting the appropriate protection solution.

With this connection box, you create a safe and standards-compliant basis for the reliable operation of your heat pump .

📎 Documentation downloads

• SH-1136 AC catalog card