Features:
- Digitally modelled jaw surfaces hold high tech rope securely at its safe working load
- Excellent performance on smaller diameter lines
- Easy on-deck service access
- Carbon versions available with lightweight, super strength body
- Side mount using existing holes in jammer body
- Ceramic coated jaws option offers consistent holding of blended covered ropes
- Lines 8 – 18mm (5/16 – 11/16”)
- Loads up to 4000kg (8820lbs)
ZS Carbon Powerjammer
ZS Carbon Jammers are supplied with high tensile fasteners for standard mounting
ZS Carbon Jammers can be vertically or side-mounted on masts. Custom mounting plates are available for each jammer
Can be set up for remote operation using ZS-RLB
Supplied white painted as standard. Custom finishes and unpainted product also available
ZS Bonded Series
Smaller and lighter than standard models, supplied unpainted for direct bonding.
Applications include foredeck tack control lines and remote release locks, bonded to mast and booms
ZS ‘P’ Series Jaws
ZS Jammers are supplied as standard with ‘P’ Series Jaws which are for use with Dyneema core and polyester cover ropes and are generally used in ZS Alloy Jammers
ZS Ceramic ‘HC’ Series Jaws
Ceramic Jaws are specially designed for ropes with blended covers: polyester with high-tech fibres such as Aramid, Technora, Codura or Vectran
ZS ‘HC’ Series Jaws have enhanced grip detail with ceramic coating to resist the polishing and wear caused by loaded rope at high line speed, allowing for faster engagement onto highly loaded line and improving load holding performance
FAQs
SWLs vary by model — examples in the range include 1500kg, 4000kg and up to 12000kg for the largest ZS models.
Fastener types vary by model. Smaller ZS models use countersunk machine screws while large carbon models use multiple M10 studs.
Yes — the trade guide shows a SIDEMOUNT VERSION column indicating side-mount variants are available for ZS models.
ZS jammers are available in multiple sizes covering from about 8mm up to 32mm depending on model.
Yes — Spinlock list a ZS Carbon Powerjammer variant alongside other ZS models in the product range.
Ceramic-coated cam/base upgrades and models are denoted by adding the letter C to the end of the part code.
Remote operation is supported in the Spinlock control range and a ZS remote release option (ZS-RLB) is listed in the guide.
The chart lists a variety of fastener head types used across models, including countersunk (CSK) heads and stud fixings.
Contact the SailRACE team — as certified marine experts we’re happy to help with product selection, installation and after-sales servicing, before and after your purchase.








