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D4 Work Rescue Descender
SKU: ISC | IS-RP880A1
- Regular price
- £144.46 Ex VAT
- £173.35 Inc VAT
- RRP: £164.95 Ex VAT
- Sale price
- £144.46 £144.46 Ex VAT
- Regular price
-
- £173.35 £173.35 Inc VAT
- Was £164.95 Ex VAT
Free Delivery Over £75 *
Worldwide Shipping from the UK
Trusted UK Arborist Retailer
30-Day Easy Returns
Product information & specifications
ISC D4 Work/Rescue Descender RP880
The ISC D4 Work/Rescue Descender RP880 is a professional double-stop descender designed for rope access, rescue, work positioning and emergency hauling applications. Built for demanding environments, the D4 combines controlled descent, auto-locking security and smooth rope handling for users working at height.
The D4 features an auto-lock function that activates when the operator releases the handle, alongside a panic brake that is designed to remain controlled and predictable during normal use. Its progressive cam action allows precise control at both slow and faster descent speeds, making it a versatile choice for professional work and rescue systems.
Key Features
- ISC D4 Work/Rescue Descender RP880
- Double-stop descender with auto-lock function
- Auto-lock activates when the handle is released
- Panic brake designed for controlled operation
- Progressive cam action for smooth speed control
- Super-hard solid stainless steel cam
- Highly wear and corrosion resistant
- Suitable for rope access, rescue and work positioning
- Can be used for smooth ascending or emergency hauling in suitable systems
- Rated load of 240kg / 529lb
Double-Stop Safety Function
The ISC D4 is designed with a double-stop function, helping provide controlled descent performance. If the operator releases the handle, the auto-lock function engages to help stop rope movement.
Progressive Cam Control
The D4 uses an innovative progressive cam action, where one cam operates inside another. This design provides smooth, precise control across slow and faster descent speeds.
Durable Stainless Steel Cam
The cam is made from super-hard solid stainless steel, providing excellent wear resistance and corrosion resistance for professional rope access and rescue use.
Rescue & Hauling Capability
The D4 can be back-fed easily, allowing it to be used for smooth ascending or emergency hauling when configured as part of an appropriate 2:1 Z-rig system.
High Rated Load
With a rated load of 240kg / 529lb, the D4 is a true work and rescue descender suitable for demanding professional applications.
Technical Specifications
| Specification | Details |
|---|---|
| Product Name | ISC D4 Work/Rescue Descender RP880 |
| Device Type | Double-stop work/rescue descender |
| Cam Material | Solid stainless steel |
| Compatible Rope Range | Typically 10.5mm / 11mm ropes |
| Rated Load | 240kg / 529lb |
| Minimum User Weight | 60kg / 132lb |
| Standards | CE, NFPA T, ANSI Z359.4 |
Ideal For
- Professional rope access work
- Rescue and emergency rope systems
- Work positioning applications
- Controlled descent and lowering
- Emergency hauling in suitable Z-rig systems
- Users needing a durable double-stop descender
Explore More
- Descenders & Ascenders
- Climbing Equipment
- Climbing Ropes
- Carabiners & Connectors
- Arborist Guides & Advice
Best For
The ISC D4 Work/Rescue Descender RP880 is best suited to rope access and rescue professionals who need a controlled, durable and high-capacity descender for demanding work at height.
Why Choose the ISC D4 Descender?
With its double-stop function, progressive cam action, stainless steel cam and 240kg rated load, the ISC D4 delivers dependable control for professional work and rescue rope systems.
Climbing Hardware
| Weight | 655g |
|---|---|
| Standard | EN12841, - meets the requirements of ANSI Z359, NFPA 1983 |
| Material | Aluminium |
| Width | 82mm |
| Length | 140mm |
| Working Load Limit (WLL) | 240kg |
| Rope Size | 10.5-11.5mm |
ISC D4 Work/Rescue Descender RP880
The ISC D4 Work/Rescue Descender RP880 is a professional double-stop descender designed for rope access, rescue, work positioning and emergency hauling applications. Built for demanding environments, the D4 combines controlled descent, auto-locking security and smooth rope handling for users working at height.
The D4 features an auto-lock function that activates when the operator releases the handle, alongside a panic brake that is designed to remain controlled and predictable during normal use. Its progressive cam action allows precise control at both slow and faster descent speeds, making it a versatile choice for professional work and rescue systems.
Key Features
- ISC D4 Work/Rescue Descender RP880
- Double-stop descender with auto-lock function
- Auto-lock activates when the handle is released
- Panic brake designed for controlled operation
- Progressive cam action for smooth speed control
- Super-hard solid stainless steel cam
- Highly wear and corrosion resistant
- Suitable for rope access, rescue and work positioning
- Can be used for smooth ascending or emergency hauling in suitable systems
- Rated load of 240kg / 529lb
Double-Stop Safety Function
The ISC D4 is designed with a double-stop function, helping provide controlled descent performance. If the operator releases the handle, the auto-lock function engages to help stop rope movement.
Progressive Cam Control
The D4 uses an innovative progressive cam action, where one cam operates inside another. This design provides smooth, precise control across slow and faster descent speeds.
Durable Stainless Steel Cam
The cam is made from super-hard solid stainless steel, providing excellent wear resistance and corrosion resistance for professional rope access and rescue use.
Rescue & Hauling Capability
The D4 can be back-fed easily, allowing it to be used for smooth ascending or emergency hauling when configured as part of an appropriate 2:1 Z-rig system.
High Rated Load
With a rated load of 240kg / 529lb, the D4 is a true work and rescue descender suitable for demanding professional applications.
Technical Specifications
| Specification | Details |
|---|---|
| Product Name | ISC D4 Work/Rescue Descender RP880 |
| Device Type | Double-stop work/rescue descender |
| Cam Material | Solid stainless steel |
| Compatible Rope Range | Typically 10.5mm / 11mm ropes |
| Rated Load | 240kg / 529lb |
| Minimum User Weight | 60kg / 132lb |
| Standards | CE, NFPA T, ANSI Z359.4 |
Ideal For
- Professional rope access work
- Rescue and emergency rope systems
- Work positioning applications
- Controlled descent and lowering
- Emergency hauling in suitable Z-rig systems
- Users needing a durable double-stop descender
Explore More
- Descenders & Ascenders
- Climbing Equipment
- Climbing Ropes
- Carabiners & Connectors
- Arborist Guides & Advice
Best For
The ISC D4 Work/Rescue Descender RP880 is best suited to rope access and rescue professionals who need a controlled, durable and high-capacity descender for demanding work at height.
Why Choose the ISC D4 Descender?
With its double-stop function, progressive cam action, stainless steel cam and 240kg rated load, the ISC D4 delivers dependable control for professional work and rescue rope systems.
Climbing Hardware
| Weight | 655g |
|---|---|
| Standard | EN12841, - meets the requirements of ANSI Z359, NFPA 1983 |
| Material | Aluminium |
| Width | 82mm |
| Length | 140mm |
| Working Load Limit (WLL) | 240kg |
| Rope Size | 10.5-11.5mm |
Delivery & Returns
UK Delivery
Fast, reliable delivery from our UK warehouse.
- FREE UK Standard Delivery
applies to eligible UK orders over £75 ex VAT.
Estimated delivery: 2–4 working days
- UK Standard Delivery from £3.60 + VAT
Estimated delivery: 2–4 working days
- Next Working Day Delivery – £6.00 + VAT
Order before 3:00pm (Monday–Friday) for next working day delivery
All UK orders are dispatched Monday–Friday and sent via a tracked courier service.
International Delivery
We ship worldwide from the UK.
- Europe from £10.00
Estimated delivery: 2–7 working days - Rest of the World from £12.00
Estimated delivery: 2–11 working days
Shipping costs and delivery times are calculated at checkout based on destination and order contents.
Customs, Duties & Taxes
International orders may be subject to local import duties, taxes, or customs charges.
When UPS is selected at checkout, applicable duties and taxes are included in the total price. For other shipping services, duties and taxes may be charged separately on delivery and are the responsibility of the recipient.
Customs processing times may affect delivery estimates.
Returns
30-Day Return Policy
- Items can be returned within 30 days of delivery
- Products must be unused and in original condition
- Return postage costs apply unless the item is faulty or incorrect
For full details, please visit our Shipping & Returns page.
UK Delivery
Fast, reliable delivery from our UK warehouse.
- FREE UK Standard Delivery
applies to eligible UK orders over £75 ex VAT.
Estimated delivery: 2–4 working days
- UK Standard Delivery from £3.60 + VAT
Estimated delivery: 2–4 working days
- Next Working Day Delivery – £6.00 + VAT
Order before 3:00pm (Monday–Friday) for next working day delivery
All UK orders are dispatched Monday–Friday and sent via a tracked courier service.
International Delivery
We ship worldwide from the UK.
- Europe from £10.00
Estimated delivery: 2–7 working days - Rest of the World from £12.00
Estimated delivery: 2–11 working days
Shipping costs and delivery times are calculated at checkout based on destination and order contents.
Customs, Duties & Taxes
International orders may be subject to local import duties, taxes, or customs charges.
When UPS is selected at checkout, applicable duties and taxes are included in the total price. For other shipping services, duties and taxes may be charged separately on delivery and are the responsibility of the recipient.
Customs processing times may affect delivery estimates.
Returns
30-Day Return Policy
- Items can be returned within 30 days of delivery
- Products must be unused and in original condition
- Return postage costs apply unless the item is faulty or incorrect
For full details, please visit our Shipping & Returns page.
