Global Ocean Design Component
Burnwires
Galvanic burnwire release rated for 250 lbs static load, used in seawater to release anchor weights or floats and to close samplers.
Description
Burnwires (REL-238) are used in seawater to release an anchor weight, close a Niskin bottle or baited trap, release a float or drop arm, or close a valve. The burnwire holds up to 250 lbs (static) until a 10-24V DC voltage is applied; using seawater as a conductor, it galvanically corrodes and releases in 6-15 minutes, depending largely on temperature. Each includes a 316 stainless steel shackle and a SubCon ILM1M pigtail with locking sleeve.
Key features
- Rated for 250 lbs (static)
- Side-load and torque tolerant, compact, no moving parts
- Proven to work at any depth
- Individually load-tested at the factory
Related items
- Burnwire Mount (REL-158): controls side-loading and torsion and electrically isolates the burnwire from a frame
- Practice Burnwires (REL-138-TEST) for lab training
Specifications
| Load rating | 250 lbs (static) |
|---|---|
| Activation voltage | 10-24V DC |
| Release time | 6-15 minutes |
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