Product Description
The Hydrastar HBA12 1200 PSI Electric Over Hydraulic (EOH) Brake Actuator is a premium trailer braking solution designed to provide fast, smooth and reliable hydraulic braking performance for trailers fitted with compatible hydraulic disc brake systems. Using signals from a compatible in-car proportional brake controller, the MHBA12 instantly converts electrical input into hydraulic pressure, delivering responsive and consistent braking performance.
Manufactured with a sealed aluminium housing, the MHBA12 is built to withstand harsh Australian conditions while protecting internal components from moisture, dust and corrosion. Its compact design makes installation straightforward on a wide range of trailers.
This listing is for the Hydrastar HBA12 actuator only. Breakaway battery kits, switches, mounting hardware, hydraulic brake lines and other installation components are sold separately.
Features & Benefits
- Genuine Hydrastar HBA12 Electric Over Hydraulic Brake Actuator
- Made in the USA
- 1200 PSI hydraulic output
- Electric Over Hydraulic (EOH) technology
- Fast proportional braking response
- Suitable for compatible hydraulic disc brake systems
- Compatible with most proportional electric brake controllers
- Compact sealed aluminium housing
- Corrosion-resistant construction
- Designed for Australian conditions
- Reliable solid-state electronics
- Genuine manufacturer quality
Specifications
| Specification | Details |
|---|---|
| Brand | Hydrastar |
| Model | HBA12 |
| Product Type | Electric Over Hydraulic (EOH) Brake Actuator |
| Hydraulic Output | 1200 PSI |
| Voltage | 12 Volt DC |
| Suitable Brake Type | Compatible Hydraulic Disc Brake Systems |
| Brake Controller Required | Yes – Compatible Proportional Brake Controller |
| Breakaway System | Not Included (Actuator Only) |
| Housing | Sealed Aluminium Construction |
| Mounting | Trailer Chassis Mounted |
| Application | Boat Trailers, Caravans, Horse Floats, Car Trailers, Plant Trailers and Commercial Trailers |
| Warranty | Genuine Manufacturer Warranty |
Suitable Applications
The Hydrastar HBA12 is suitable for:
- Boat trailers
- Car trailers
- Caravans
- Horse floats
- Plant trailers
- Equipment trailers
- Commercial trailers
It is designed for use with compatible hydraulic disc brake systems and a compatible proportional electric brake controller.
What's Included
- Genuine Hydrastar HBA12 Electric Over Hydraulic Brake Actuator
- Manufacturer's Installation Instructions
Not Included
- Breakaway battery kit
- Breakaway switch
- Mounting hardware
- Hydraulic brake lines
- Hydraulic brake fluid
- Brake controller
- Electrical wiring components
Complete Your Installation
To complete your Electric Over Hydraulic brake installation, you may also require:
Hydraulic Braking Components
- Hydraulic Brake Calipers
- Stainless Steel Hydraulic Brake Line Kit
- Hydraulic Brake Fluid
- Brake Pads
- Brake Rotors
Electrical Components
Service Items
Frequently Asked Questions
What is the Hydrastar HBA12?
The Hydrastar HBA12 is a 1200 PSI Electric Over Hydraulic (EOH) brake actuator that converts signals from a compatible in-car proportional brake controller into hydraulic pressure to operate your trailer's hydraulic disc brakes.
What trailers is the HBA12 suitable for?
The HBA12 is suitable for boat trailers, caravans, horse floats, car trailers, plant trailers and commercial trailers fitted with compatible hydraulic disc brake systems.
Does the HBA12 include a breakaway battery?
No. This product includes the actuator only. Breakaway battery kits and switches are sold separately.
Do I need a brake controller?
Yes. The HBA12 requires a compatible proportional electric brake controller installed in the tow vehicle.
Is mounting hardware included?
No. Mounting hardware is not included with this actuator.
Are installation instructions included?
Yes. Manufacturer installation instructions are supplied with the actuator.
Can the HBA12 be used on boat trailers?
Yes. Its sealed aluminium construction makes it suitable for demanding environments, including many boat trailer applications.
What else do I need to complete the installation?
Depending on your trailer, you may also require a breakaway battery kit, breakaway switch, hydraulic brake lines, brake fluid, calipers and electrical wiring components.
Why Buy From Trailer Spares Online?
- Genuine Hydrastar products
- Expert trailer brake advice
- Fast Australia-wide shipping
- Large range of hydraulic braking components
- Experienced Australian trailer parts specialists
- Competitive pricing and local support
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