The self braking system is what distinguishes this descender, and it works in both directions. Release the handle and the brake engages, which is what any dead-man device does. Grip the handle too tightly, in panic, and it also engages. That second behaviour matters far more than it sounds: the instinctive human response to a fast descent is to clamp down hard on whatever is in your hand, and on a conventional descender that is precisely the wrong input. This one treats it as a stop signal.
Descent is initiated by controlled pressure on the handle and proceeds at constant speed rather than accelerating, up to a maximum of 2 metres per second.
Key Features
- Anti-panic braking: Brakes on release and on over-gripping. The panic grip is the failure mode that catches people out on simple descenders, and designing for it is worth more than any amount of training.
- Constant speed descent: The device controls the rate rather than allowing acceleration, so a long descent does not build up speed.
- Maximum 2 m/s: A defined upper limit, not merely a recommendation.
- 10.5–12 mm kernmantle compatibility: The standard rope access diameter range.
- EN 341 Class A: The highest classification in the descender standard, covering the greatest descent energy.
- Black anodised aluminium: Light enough to carry all day, with a hard anodised surface resisting the wear of rope running through it.
Technical Specifications
| Property |
Value |
| Product Code |
FA 70 001 00 |
| Rope Compatibility |
10.5 – 12 mm kernmantle |
| Maximum Descent Speed |
2 m/s |
| Braking |
Self braking on release and over-grip |
| Material |
Aluminium, black anodised |
| Conformity |
EN 341 Class A |
| PPE Category |
Category III |
EN 341 Class A | Self Braking | Category III PPE
Conforms to EN 341 Class A, the descender device standard, Class A covering the highest descent energy category. Category III personal protective equipment under Regulation (EU) 2016/425. Rope access work requires specific training and certification and an independent back-up system. Requires inspection by a competent person at intervals not exceeding 12 months and immediate withdrawal after arresting a fall.
Suitable Applications
Used for controlled descent on a single rope in industrial rope access: façade inspection and cleaning, structural inspection, wind turbine maintenance, confined space entry involving descent, and rescue. It connects to the ventral attachment point of an EN 813 sit harness, so it must be paired with a harness carrying that certification — the Fly'in 3, Speed Air 5 or Fly'in 4 belt. It is a working line device and must always be used alongside an independent back-up system on a separate safety line.
More About This Product
The anchorage is the part of a fall protection system people think about last and should think about first. Most sites can produce a harness and a lanyard within minutes; producing a certified, assessed anchor point is a different matter, and it is what genuinely determines whether the system works.
The forces involved are the reason. Arresting a fall is a dynamic event, and the load a falling person imposes on an anchor is many times their body weight — which is why BS EN 795 exists as a standard in its own right, and why the structure the anchor attaches to has to be assessed separately by someone competent to do it. The anchor may be certified; the beam, the tube, the roof purlin almost certainly is not.
Anchor Position, Fall Factor and Swing
Where the anchor sits changes the severity of a fall more than any other single decision.
Fall factor is the ratio of fall distance to the length of lanyard available to absorb it. An anchor above the head gives the lowest factor and the gentlest arrest. An anchor at foot level gives a factor 2 fall — the worst case, generating forces a shock absorber may struggle to control, and it is what happens when someone clips onto something convenient at their feet rather than something suitable above them.
Pendulum swing is the second consideration and the one that catches people out. An anchor directly overhead means a fall goes straight down. An anchor off to one side means the faller swings, and the swing can be more dangerous than the drop — into structure, into plant, or across a surface at speed. A swing that ends against a steel column is not survivable simply because the harness held.
The practical rule is to position the anchor as high as practicable and as close to directly overhead as the work allows, and to reassess it every time the work position moves.
How to Use the Grip Descender
- Use the correct rope: 10.5 to 12 mm kernmantle. Rope outside that range will not run correctly through the device.
- Connect to a ventral EN 813 attachment: The descender attaches at the waist so the user sits in the harness.
- Always use a back-up on a separate line: A descender is a working line device. Rope access requires two independent systems.
- Test the braking before committing weight: Confirm the device grips the rope when the handle is released.
- Control descent with steady pressure: Progressive pressure on the handle, not sudden movements.
- Do not override the braking: Never tie back, wedge or otherwise defeat the handle.
Warning: Rope access requires specific training and certification. A descender must always be used with an independent back-up system on a separate safety line. Never defeat or override the self braking mechanism. Use only the specified rope diameter.
Safety Information
- For use only by trained and certified rope access technicians.
- Use only with 10.5 to 12 mm kernmantle rope.
- An independent back-up device on a separate safety line is required at all times.
- Connect to a ventral EN 813 attachment point.
- Test the braking action before every descent.
- Never override, tie back or wedge the handle.
- A rescue plan must be in place before any suspended work.
- Withdraw immediately after arresting a fall or any shock loading.
- Inspection by a competent person required at intervals not exceeding 12 months.
Inspection and Maintenance
The rope path and the braking mechanism are what matter. Inspect the surfaces the rope runs over for wear grooving and any sharp edge developing, since a worn rope channel damages the rope as well as reducing control. Operate the handle repeatedly and confirm the brake engages both on release and on over-gripping, testing both behaviours rather than assuming the second works because the first does. Check the side plates and pivot for wear, distortion and free movement, and the attachment eye for elongation. Keep the device clean and free of grit, which accelerates rope channel wear considerably.
Downloads
Frequently Asked Questions
Q: Why does gripping harder stop the descent?
Because that is what people do when frightened. On a conventional descender, panic gripping is the wrong input and can increase descent rate. This device treats over-gripping the same as releasing: it stops. It is designed around how people actually behave rather than how they should.
Q: What does EN 341 Class A mean?
EN 341 is the standard for descender devices used in rescue and descent. Class A is the highest category, covering the greatest total descent energy, meaning longer descents and heavier loads. Lower classes exist for lighter duty.
Q: Do I need a back-up device as well?
Yes, always. Rope access uses two independent systems: a working line with the descender and a separate safety line with a back-up device. That is fundamental to the discipline and not a matter of preference.
Q: What harness do I need?
One with an EN 813 ventral attachment point. In this range that means the Fly'in 3, Speed Air 5 or the Fly'in 4 belt. A standard fall arrest harness without a ventral point cannot be used for rope access.
