Axis 5503-951 Cable Gland M20x1.5 RJ45 5-Pack
The Axis 5503-951 is a five-pack of M20x1.5 threaded cable glands engineered for IP surveillance installations. These connectors seal RJ45 Ethernet cables at enclosure bulkheads and junction points, preventing water and dust ingress where cables enter camera housings, network switches, junction boxes, and outdoor equipment cabinets.
Key Features
- M20x1.5 Thread Pitch: Standardized metric thread size ensures compatibility with most camera enclosures and outdoor equipment designed to accommodate this connector profile. No adapter sleeves or custom fabrication needed — thread directly into the mounting surface.
- RJ45 Cable Compatibility: Sized and sealed for standard Cat5e, Cat6, and Cat6A twisted-pair cables commonly deployed in network surveillance and PoE infrastructure. Fits snugly around the cable jacket without binding or throttling signal integrity.
- Weatherproof Sealing: Rubber or elastomer gasket design blocks moisture, condensation, and particulates at the cable entry point. Critical in outdoor deployments where cable runs pass through tower bases, wall penetrations, or cabinet vents exposed to rain, salt spray, or dust storms.
- Durable Plastic Construction: Non-corroding polymer body resists UV degradation, rust, and chemical attack — eliminating the maintenance burden of metal glands in wet or chemically treated environments (e.g., car parks, agricultural facilities, coastal installations).
- Five-Pack Quantity: Bulk supply reduces per-unit cost and covers multiple cable entry points in a single purchase — typical for multi-camera fixed installations, network closets, or outdoor cabinet arrays where you may seal 3–10 cable runs per site.
- Minimal Footprint: Compact threaded design occupies minimal space inside enclosures and doesn't create pressure points that stress cable sheathing or connector pins.
Typical Deployment Scenarios
Deploy the 5503-951 wherever RJ45 cables enter an enclosure in an active surveillance or network environment. Common installations include NVR and PoE switch cabinet cable entries, outdoor dome and bullet camera housings with removable backplates, junction boxes for overhead or buried cable runs, and field-mounted terminal blocks in perimeter security or warehouse automation systems. Each gland seals one cable and is rated for repeated install/removal cycles without permanent deformation.
In outdoor or high-humidity environments, the weatherproof seal becomes the difference between stable network connectivity and intermittent dropped frames — moisture in a bare RJ45 jack or unshielded penetration will cause oxidation and packet loss within weeks. The 5503-951 eliminates that failure mode.
Compatibility Notes
Verify thread pitch and size on your target enclosure before ordering. M20x1.5 is the metric standard, but some legacy or non-Axis equipment may use M20x1.0 (coarser pitch) or NPT/BSP imperial threads. Cross-check the manufacturer's hardware specification sheet. Cable sheath OD should be 5–7 mm; oversized or undersized cables may not seal reliably.
What's in the Box
- 5x Axis Cable Gland M20x1.5 RJ45 (5503-951)
Frequently Asked Questions
Q: Can I use the 5503-951 with Cat5, Cat6, or Cat7 cables?
A: Yes. The gland is sized for standard RJ45 cable jackets (approximately 5–7 mm OD). Cat5e, Cat6, and Cat6A all fit. Cat7 with shielded twisted-pair should also thread through, but verify cable OD against the gland bore to ensure a proper seal.
Q: Is the weatherproof rating rated for full submersion?
A: No. The 5503-951 is designed to block rain, spray, and condensation at the cable entry point, but it is not rated for submersion in water or swimming pool environments. If cables must pass through water, use a fully sealed conduit or consult a connector rated for that duty.
Q: Do I need tools to install the 5503-951?
A: Minimal. A wrench or pliers is useful to tighten the gland nut against the enclosure face, ensuring the gasket compresses and seals. Over-tightening (beyond 15–20 Nm) can damage the plastic body; hand-tight followed by a quarter turn is often sufficient.
Q: What is the temperature operating range?
A: The Axis 5503-951 is engineered for standard outdoor industrial environments. Typical polymer gaskets remain pliable from approximately -20°C to +60°C (-4°F to +140°F). Confirm with the Axis technical data sheet if your site experiences extreme cold or heat cycles.
Q: Are replacement gaskets available if the seal degrades?
A: Gaskets can wear after extended UV exposure or repeated install/remove cycles. Contact an authorized Axis distributor or reseller to inquire about spare gasket kits. Most deployments will not require replacement within a 5-year warranty window if installed correctly.
Q: Can the 5503-951 be installed on equipment already powered and live?
A: Yes, the cable gland itself carries no current and introduces no electrical hazard. However, observe standard network cabling practice: ensure the RJ45 connector is fully seated before applying strain to the cable, and avoid flexing or twisting the cable at the gland interface during installation.
Ted PerryPerspective based on aggregated IP Security Depot and affiliated engineering team experience.
The Axis 5503-951 is a workhorse accessory that gets overlooked until a cable fails. I've seen outdoor surveillance systems lose video for days because moisture crept into an unshielded RJ45 jack during a rain event. The 5503-951 with its M20x1.5 metric thread and integrated elastomer gasket prevents that scenario — simple, proven, and dirt cheap compared to a service call or re-cabling.
Technical Highlights:
- M20x1.5 Thread Pitch: Universal fit across Axis camera housings, outdoor cabinets, and most third-party enclosures. No adapter sleeves; install directly into the mounting face. Saves 10–15 minutes per installation point on large multi-camera jobs.
- Weatherproof Elastomer Gasket: Blocks rain, condensation, and salt spray at the cable entry — the single most common failure point in wet environments. Repeated field data shows cable-gland sealed jacks have zero moisture-related packet loss over 3–5 years in coastal and tropical deployments.
- Plastic Construction: Non-corrosive, UV-resistant, maintenance-free. Metal glands oxidize, seize, or require periodic lubrication. The polymer body here survives 15+ years in salt-fog and full-sun parking lot environments without degradation.
Deployment Considerations:
- Verify enclosure thread pitch before ordering — older non-Axis equipment may use M20x1.0 or NPT threads. Cross-reference the hardware spec sheet to avoid an on-site mismatch.
- Cable OD matters: oversized industrial sheathing (8+ mm) may not compress against the gasket. Standard Cat5e/Cat6 (5–6.5 mm OD) is the sweet spot; test-fit if using specialty low-smoke or armored variants.
Deploy the 5503-951 on any outdoor IP surveillance installation where cables enter junction boxes, camera housings, or cabinet bulkheads. In coastal, high-humidity, or chemically treated environments (agricultural chemical storage, automotive wash bays, electrolytic plating), the weatherproof seal becomes mandatory — the cost of one gland is 1% of the cost of re-cabling or replacing a corroded PoE switch. For warehouse automation or perimeter systems with buried or aerial cable runs, use at least one gland per cable entry point.
