Ocean Signal HR1E Hydrostatic Release Unit for Category I EPIRB Housings (701S-00608)

The Ocean Signal HR1E is a replacement hydrostatic release unit for compatible Category I float-free EPIRB housings. In a sinking event, water pressure operates the release mechanism so the beacon can separate from its housing, float to the surface and activate when appropriate.

Key Features & Benefits

• Automatic Float-Free Release: Uses hydrostatic pressure to release a compatible EPIRB from its Category I housing.
• Scheduled Safety Maintenance: Replaces the time-limited release component to keep a float-free installation serviceable.
• Approved Ocean Signal Applications: Fits listed Ocean Signal automatic-release housings.
• Complete Replacement Kit: Manufacturer lists release unit, instructions and replacement hardware.

Technical Specifications

• Component type: Hydrostatic release unit (HRU)
• Release depth: Approximately 1.5–4m
• Replacement interval: Every 2 years
• Housing type: Category I automatic float-free
• Manufacture: United Kingdom

Compatibility

For Ocean Signal Category I housings used with safeSEA E100/E100G, rescueME EPIRB1 Pro, rescueME EPIRB2 Pro, safeSEA EPIRB3 Pro and safeSEA E101V VDR. Not approved as an alternative for ACR, McMurdo, Jotron or GME housings.

Installation & Setup

Replace at the required interval using the HR1E instructions and approved components. Confirm the housing and lashing arrangement operate correctly without obstructing release.

What's in the Box

• HR1E hydrostatic release unit
• Replacement hardware
• Installation instructions