Product SKU: DWM300
Product Overview
The SECOR DWM300 Stainless Steel Cable Protector Door Loop 300mm with Metal Box is a heavy-duty cable transfer accessory designed for compatible access control and security door hardware installations. It is used to protect external cabling between door frames and moving doors, helping route cables for devices such as magnetic locks, door strikes and reed switches. The DWM300 features Grade 314 stainless steel cable protection, aluminium caps at both ends and a 300mm length for common door loop applications. With an 8mm inner diameter and 14mm outer diameter, it provides a durable cable pathway where wiring must remain protected as the door opens and closes.
Key Capabilities
Heavy-Duty Door Loop
The DWM300 provides a robust cable transfer path between a door frame and moving door.
Grade 314 Stainless Steel
The stainless steel construction helps protect compatible low-voltage door hardware cabling from exposure and movement damage.
Aluminium End Caps
Aluminium caps at both ends provide a durable termination point and neat finish for the cable protector assembly.
300mm Length
The 300mm length suits many standard access control door loop cable transfer requirements.
Access Control Hardware Support
Suitable for cable runs associated with compatible mag locks, door strikes and reed switches.
Multiple Size Availability
The supplied information notes that other sizes are available for installations requiring different cable loop lengths.
Best For
- Access Control Doors: Suitable for protecting low-voltage cabling between door frames and moving doors.
- Mag Lock Cabling: Useful where wiring needs to pass between the frame and a door-mounted magnetic lock or related hardware.
- Door Strike Installations: Practical for compatible electric strike and door release cabling layouts.
- Reed Switch Cabling: Can assist with protecting exposed cabling associated with compatible reed switch installations.
- Heavy-Duty Cable Protection: A suitable option where stainless steel construction and metal end caps are preferred over plastic-ended door loops.
Why Choose the DWM300
Choose the SECOR DWM300 when the installation needs a heavy-duty 300mm door loop for protecting external cabling between a frame and door leaf. Its Grade 314 stainless steel construction and aluminium caps at both ends make it a strong option for compatible magnetic lock, door strike and reed switch cable transfer applications. The 8mm inner diameter and 14mm outer diameter provide a defined cable pathway while helping protect wiring from movement and exposure. This model, supplied by Security Wholesalers, is a practical choice for commercial access control installations requiring a durable stainless steel cable protector with metal end caps.
Buyer Decision Tips
Buyer Tip: Confirm that 300mm is the correct loop length for the door swing, cable route and hardware position before installation.
Buyer Tip: Check that the 8mm inner diameter provides enough space for the planned cabling and that the loop can move freely without binding as the door opens and closes.
Key Features & Technical Specifications
| Product Type | Cable transfer / stainless steel door loop for access control and security cabling. |
| Model | DWM300. |
| Brand | SECOR. |
| Material | Grade 314 stainless steel. |
| End Caps | Aluminium cap at both ends. |
| Length | 300mm. |
| Inner Diameter | 8mm. |
| Outer Diameter | 14mm. |
| Other Sizes | Other sizes are available, as supplied. |
| Typical Cable Path | External cabling between door frames and doors. |
| Compatible Use | Cabling for compatible magnetic locks, door strikes and reed switches. |
| Typical Use | Protecting access control and security cables where wiring passes between a fixed frame and moving door. |
Ideal Use Cases
Magnetic Lock Wiring
Use where low-voltage mag lock cabling needs protection between the frame and door.
Door Strike Cabling
Suitable for compatible door strike or release installations requiring protected cable routing.
Reed Switch Wiring
Practical for protecting exposed reed switch cabling where the wiring route crosses a moving door area.
Commercial Door Hardware
Useful for offices, retail sites, warehouses, service areas and controlled door locations.
Retrofit Access Control
Helpful when adding access control hardware to existing doors where concealed cabling is not practical.
Heavy-Duty Cable Transfer
The stainless steel loop and aluminium caps help provide a durable cable transfer finish.
Choosing the Right Model
- Choose this model if: You need a 300mm stainless steel cable transfer loop with aluminium caps for compatible access control door cabling.
- Choose DWD30 if: The installation requires a 300mm stainless steel cable protector with plastic ends instead of metal caps.
- Check cable capacity: Confirm the 8mm inner diameter is suitable for the number and type of cables being routed through the loop.
- Check door movement: Confirm the door loop can move freely without restricting the door swing, pulling cables or fouling nearby hardware.
- Check hardware compatibility: Confirm the loop length and end positions suit the magnetic lock, strike, reed or other connected hardware.
FAQs
- What is the SECOR DWM300 used for?
The SECOR DWM300 is used to protect and transfer cabling between a fixed door frame and moving door. It is commonly used with compatible access control hardware such as magnetic locks, door strikes and reed switches. - What is the DWM300 made from?
The DWM300 is listed with Grade 314 stainless steel construction and aluminium caps at both ends. This makes it a more heavy-duty option than plastic-ended door loops for suitable access control installations. - What length is the DWM300?
The DWM300 length is 300mm. Installers should confirm this length gives enough movement for the door swing while preventing cable strain, binding or interference with surrounding door hardware. - What cable capacity does it provide?
The supplied specifications list an 8mm inner diameter and 14mm outer diameter. The installer should confirm that the planned cables fit within the 8mm internal pathway before installation. - Can it be used for magnetic lock wiring?
Yes. The supplied information states it is used for external cabling between door frames for magnetic locks, door strikes and reeds. Cable type, route and movement clearance should still be confirmed during installation. - Are other sizes available?
Yes. The supplied information notes that other sizes are available. The correct size should be selected based on the door swing, cable route, hardware position and required amount of cable movement. - Where should a cable transfer loop be installed?
A cable transfer loop is typically fitted between the fixed frame and moving door where cabling needs to cross the gap. Placement should allow smooth door operation while keeping the cable protected and secure. - What should I check before buying the DWM300?
Before buying the DWM300, confirm that a 300mm stainless steel cable transfer loop suits the door swing, cable route, cable quantity and connected hardware. This model is available through Security Wholesalers for compatible access control and security cable protection applications.

















