Overview
The DUO25MR-BK is a black nylon with buna-n seal DUO PA push-in, partially rotatable conduit fitting designed to combine strain relief and conduit connection in one fitting. It uses a M25 x 1.5 thread, fits nominal conduit size DN 17, and accepts cable outside diameters from .35" - .63" (9 - 16 mm).M25 x 1.5DN 17IP68 Cable Side
This Sealcon DUO fitting is built for enclosure cable entries, machine wiring, and flexible conduit transitions where cable sealing, strain relief, and conduit routing need to be handled at the same connection point.
💡 Dual-Function Cable Entry
Strain Relief Side: Rated IP68 for protection from dust and continuous immersion in water.
Conduit Side: Rated IP54 for protection from harmful dust deposits and splashing water.
Rotatable Design: Partially rotatable body helps align conduit routing during installation.
Key Features
- DUO push-in design – combines strain relief and conduit fitting functions
- Partially rotatable body – supports easier conduit alignment
- M25 x 1.5 thread – made for compatible enclosure openings
- .35" - .63" (9 - 16 mm) cable O.D. range – fits the listed cable diameter range
- DN 17 conduit fit – matches nominal conduit size 17
- Black Nylon with Buna-N Seal – durable construction for industrial installations
- IP68 strain relief side – protects the cable-side entry
- IP54 conduit side – protects against dust deposits and splashing water
- -40°C to 100°C operating range – suitable for demanding environments
- Compatible with multi-hole inserts – supports flexible cable entry configurations
- Buna-N seal supports a dependable cable-side seal.
- Sold individually – locking nut sold separately
✅ Why Choose This DUO Fitting?
This fitting reduces the need for separate cable gland and conduit components by bringing cable strain relief, cable-side sealing, and conduit entry into one compact assembly.
Applications
The DUO25MR-BK is useful for industrial wiring layouts that require a sealed cable entry and conduit transition:
- Control cabinet and enclosure cable entries
- Machine wiring with flexible conduit routing
- Sensor, actuator, and automation cable protection
- Panel wiring where strain relief is required
- Industrial equipment using multi-hole insert configurations
Installation Notes
- Confirm cable O.D. is within .35" - .63" (9 - 16 mm)
- Prepare the enclosure opening using the listed clearance hole size
- Insert the threaded side into the panel or enclosure
- Secure with a compatible locking nut when required
- Push conduit into the conduit side and align the partially rotatable body
- Check the seal and strain relief before energizing equipment
⚠️ Important Installation Info
Locking nut sold separately.
Verify cable diameter and conduit DN size before installation.
IP ratings apply to the listed fitting sides and depend on proper installation.
Performance Benefits
- Combines cable strain relief and conduit entry in one fitting
- Helps protect cable entry points from dust and water exposure
- Supports cleaner cable routing inside and outside the enclosure
- Partially rotatable design simplifies conduit positioning
📚 Product Matching Tips
Match the opening:
→ Use the thread and clearance hole dimensions before drilling or selecting a knockout.
Match the cable and conduit:
→ Confirm both the cable O.D. range and nominal conduit DN size.
🔎 Cross Reference
Also known as Hummel 1.542.2517.51.
Specifications
| Brand | Sealcon |
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| Model | DUO25MR-BK |
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| Series | DUO PA |
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| Type | Push-In Partially Rotatable Conduit Fitting |
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| Material | Black Nylon with Buna-N Seal |
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| Sold As | Sold Individually |
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| Alternate Part Number | Hummel 1.542.2517.51 |
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Cable & Conduit
| Thread Size/Type | M25 x 1.5 |
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| Cable O.D. Range | .35" - .63" (9 - 16 mm) |
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| Fits Conduit DN Size | 17 |
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| Multi-Hole Insert Compatible | Yes |
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| Locking Nut | Sold Separately |
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Dimensions
| Clearance Hole | .98" (25 mm) |
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| Outer Diameter | 1.18" (30 mm) |
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| Thread Length | .43" (11 mm) |
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| Body Length | 1.97" (50 mm) |
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| Wrench Flat | 1.3" (33 mm) |
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Environment
| Strain Relief Side | IP68 |
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| Conduit Side | IP54 |
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| Operating Temperature | -40°C to 100°C (-40°F to 212°F) |
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Compliance
| Approvals / Compliance | RoHS, Deca BDE, REACH, WEEE, German Lloyd |
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Quick Identification
DUO25MR-BK is a black nylon with buna-n seal DUO conduit fitting with M25 x 1.5 thread, DN 17 conduit fit, and .35" - .63" (9 - 16 mm) cable O.D. range.
What's Included
