Seago SeaGuard 300N Auto Lifejacket with Harness Navy Offshore ISO 12402-2 Adult
SG-300-NAH
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Seago SeaGuard 300N Auto Lifejacket (SG-300-NAH)
Premium Offshore Safety & Performance
The Seago SeaGuard 300N is a professional-grade automatic lifejacket specifically engineered for offshore sailing, commercial use, and extreme conditions. Delivering 300 Newtons of buoyancy, it provides significantly more lift than standard 150N jackets, ensuring the wearer is kept higher above the waterline even when wearing heavy foul-weather gear or industrial clothing.
Key Features
- β 300N Buoyancy for Offshore Use
- β Integrated Safety Harness (Soft Loop)
- β S-Design Bladder (Water Redirection)
- β Heavy Duty Abrasion Resistant Cover
- β Lightweight Low-Profile Design
Technical Specs
| Inflation: | UML Mk5 Automatic |
| Cylinder Size: | 60g CO2 |
| Certification: | ISO 12402-2 (275N+) |
| Weight: | Approx. 1.2kg |
| Color: | Navy Blue |
Compatibility / Fitment Guide
| Requirement | Specification | Notes |
|---|---|---|
| User Body Weight | 40kg + | Adult Sizing |
| Chest Size Range | 55cm - 140cm (22" - 55") | Highly Adjustable |
| Application | Offshore / Commercial | Heavy Duty Use |
OEM & Re-Arming References
| Part Number (SKU) | SG-300-NAH |
| Re-arming Kit | Seago Kit 11 (60g UML Auto) |
| IMPA Code Reference | Alternative to 331171 |
Questions & Answers
Is this a genuine original part?
Yes, this is a genuine Seago product, manufactured to strict safety standards for the marine and offshore industry.
How do I know if it is compatible?
This lifejacket is designed for adults over 40kg with a chest size between 55cm and 140cm. It is ideal for offshore sailing or commercial work where heavy clothing is worn.
What maintenance is required for this lifejacket?
Seago recommends an annual service by an authorized agent. Before each trip, check that the 60g CO2 cylinder is tightly screwed in and that the automatic firing cartridge is within its expiry date.
Note: 4boats.co.uk recommends verifying your equipment requirements against the ISO standards provided above before purchasing.
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Free delivery for most items over Β£150.
