Hammar HM-0409 hydrostatic release unit electric/water remote for EPIRB
The Hammar HM-0409 hydrostatic release unit is an electric and water-activated remote unit (ERU), developed specifically for EPIRB systems on commercial, naval, and offshore vessels. Available in red and yellow, it ensures automatic and reliable EPIRB release in emergency situations, meeting the most stringent international maritime safety standards.
With a service life of 2 years from the date of installation and marking, as specified by manufacturer Hammar, it is an essential component for maintaining compliance and operational readiness of onboard life-saving systems.
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Technical Description
The Hammar HM-0409 is a high-reliability ERU (Electric Remote Unit) designed to integrate EPIRB systems on vessels subject to international maritime safety standards. Its dual activation mechanism — electric and water — ensures that the EPIRB is automatically released even under extreme conditions, such as rapid sinking or onboard power failure, where manual activation would not be possible.
The red and yellow visual identification facilitates equipment location in emergency situations, following international color-coding standards for life-saving equipment. Robust construction and corrosion-resistant materials ensure correct operation even after extended periods of inactivity — a fundamental characteristic for safety equipment that must operate immediately when most needed.
With a 2-year service life from installation, the HM-0409 integrates into the periodic maintenance and inspection protocols required by international maritime authorities, recognized by classification societies and approved for use on vessels operating under SOLAS and IMO regulations.
Specifications
Model: HM-0409
Type: electric remote unit (ERU)
Colors: red/yellow
Application: EPIRB systems
Activation type: remote electric and water
Service life: 2 years from installation and marking (as per manufacturer)
Manufacturer: Hammar
Frequently Asked Questions (FAQ)
The HM-0409 is the ERU (Electric Remote Unit) developed specifically for EPIRB systems, while the HM-0406 MKI is designed for lifebuoy systems. Both use electric and water remote activation but are engineered for different applications and equipment onboard.
As specified by manufacturer Hammar, the service life is 2 years from the date of installation and marking. Replacement within this period is mandatory to maintain compliance with maritime safety standards.
The HM-0409 operates through dual activation: electric, via remote command, and water-activated, when submerged to a certain depth. This system ensures automatic EPIRB release even in situations of rapid sinking or absence of onboard power.
The HM-0409 is designed for integration with EPIRB systems using Hammar ERU. It is recommended to verify compatibility with the specific EPIRB model installed onboard before purchasing.
Yes. The replacement and installation of the HM-0409 hydrostatic release unit must be carried out by a technician qualified in maritime safety equipment, following the manufacturer’s instructions and the requirements of the competent maritime authorities.
