Description
HMI Brass Cable Gland 50mm (2”) – Single & Double Compression
The HMI Cable Gland 50mm (2″) is an industrial cable-entry solution available in Single Compression SC050 and Double Compression DC050 configurations. HMI specifies these cable glands in nickel-plated brass with a BSC (British Standard Conduit) entry thread. The correct variant should be selected according to the cable’s construction, actual outer diameter, armour arrangement and installation requirements.
A 50mm cable gland should not automatically be interpreted as a gland for a cable with exactly 50mm outside diameter. The gland size and cable OD are different selection considerations. The actual cable OD should be checked against the applicable manufacturer’s dimensional and sealing requirements.
This is especially important for industrial procurement because cables with the same conductor size can have different outside diameters due to differences in insulation, bedding, armour and outer sheath construction.
For a complete selection process, see our Cable Gland Supplier India: 15 Expert Tips to Choose the Right Cable Gland for Industrial Projects. The guide covers cable OD, compression type, thread selection, IP requirements, armour and installation conditions.
HMI 50mm Single Compression Cable Gland – SC050
The HMI SC050 is the Single Compression version of the HMI 50mm cable gland.
HMI specifies its Single Compression Cable Glands for indoor or outdoor applications with armoured or unarmoured cables. Its function is to grip the outer sheath of the cable. HMI specifies nickel-plated brass construction and BSC entry thread.
HMI SC050 Specifications
| Specification | Details |
| Brand | HMI |
| Product Type | Single Compression Cable Gland |
| HMI Code | SC050 |
| Gland Size | 50mm |
| Inch Equivalent | 2″ |
| Material | Nickel-Plated Brass |
| Entry Thread | BSC – British Standard Conduit |
| Cable Type | Armoured / Unarmoured |
| Main Function | Grips outer cable sheath |
| Application | Indoor / Outdoor |
| Accessories | Earth Tag and Shroud available on request |
These specifications follow HMI’s published Single Compression range.
Where Can HMI SC050 Be Used?
The HMI 50mm Single Compression cable gland can be considered for compatible:
- Electrical panels
- Control panels
- Industrial enclosures
- Junction boxes
- Switchgear
- Electrical machinery
- Distribution equipment
- Instrumentation systems
- Industrial automation equipment
- Large cable-entry applications
The final selection should be based on the actual cable OD, construction, thread and installation requirements.
For sizing assistance, see What Size Cable Gland Do I Need for My Project?.
HMI 50mm Double Compression Cable Gland – DC050
The HMI DC050 is the Double Compression version of the HMI 50mm cable gland.
HMI specifies its Double Compression Cable Glands for indoor or outdoor armoured-cable applications. Its function is to seal and grip the inner and outer sheath, while the cone and ring clamp the armour. HMI specifies nickel-plated brass construction and BSC entry thread.
HMI DC050 Specifications
| Specification | Details |
| Brand | HMI |
| Product Type | Double Compression Cable Gland |
| HMI Code | DC050 |
| Gland Size | 50mm |
| Inch Equivalent | 2″ |
| Material | Nickel-Plated Brass |
| Entry Thread | BSC – British Standard Conduit |
| Cable Type | Armoured Cable |
| Main Function | Seals/grips inner & outer sheath |
| Armour Clamping | Cone & Ring |
| Application | Indoor / Outdoor |
| Accessories | Earth Tag, Shroud, Stop Plug, Reducer/Adaptor available on request |
These specifications are based on HMI’s published Double Compression range.
HMI 50mm Single Compression vs Double Compression
Single Compression – HMI SC050
| Feature | HMI SC050 |
| Gland Size | 50mm (2″) |
| HMI Code | SC050 |
| Material | Nickel-Plated Brass |
| Thread | BSC |
| Cable Type | Armoured / Unarmoured |
| Compression Type | Single Compression |
| Main Function | Grips outer sheath |
| Application | Indoor / Outdoor |
| Earth Tag | Available on request |
| Shroud | Available on request |
| Selection Basis | Cable OD + construction + thread + application |
HMI lists SC050 in its Single Compression range.
Double Compression – HMI DC050
| Feature | HMI DC050 |
| Gland Size | 50mm (2″) |
| HMI Code | DC050 |
| Material | Nickel-Plated Brass |
| Thread | BSC |
| Cable Type | Armoured |
| Compression Type | Double Compression |
| Inner Sheath | Sealed/Gripped |
| Outer Sheath | Sealed/Gripped |
| Armour | Clamped by Cone & Ring |
| Application | Indoor / Outdoor |
| Accessories | Earth Tag, Shroud, Stop Plug, Reducer/Adaptor available on request |
| Selection Basis | Cable OD + armour + construction + thread + application |
HMI lists DC050 in its Double Compression range for armoured cables.
Which HMI 50mm Cable Gland Should You Choose?
The choice between SC050 and DC050 should be based on the cable construction and project requirements, not simply the nominal 50mm size.
Choose HMI SC050 when:
- Single Compression is specified.
- The cable is armoured or unarmoured.
- The cable construction is compatible with the gland.
- The actual cable OD falls within the applicable manufacturer range.
- The required entry thread matches BSC.
Choose HMI DC050 when:
- Double Compression is specified.
- The cable is armoured.
- Armour clamping is required.
- Inner and outer sheath sealing is required.
- The cable OD and armour dimensions are compatible with the applicable specification.
HMI explicitly distinguishes the two ranges by application and function.
For a more detailed comparison, link this section to Armoured vs Unarmoured Cable Glands: Which One Do You Actually Need?.
How to Select the Correct HMI 50mm Cable Gland
One of the most common cable-gland purchasing mistakes is selecting the gland only according to the cable conductor size.
Thunderbolt’s pillar guide specifically recommends considering cable OD, cable construction, armour, installation environment, IP requirements and compression type when selecting a gland.
Before ordering HMI SC050 or DC050, check:
- Actual cable outer diameter
- Armoured or unarmoured construction
- Single or Double Compression
- Armour dimensions, where applicable
- Required thread
- Enclosure entry
- Indoor or outdoor installation
- Required ingress protection
- Project specification
- Required accessories
50mm Gland Does Not Automatically Mean 50mm Cable OD
The 50mm (2″) designation refers to the gland size, not a universal cable diameter.
The cable gland must be compatible with the actual cable dimensions and construction. Never assume that a 50mm gland will fit every cable measuring 50mm or that every 50mm gland has the same sealing range.
Read our detailed What Size Cable Gland Do I Need for My Project? guide before final selection.
Applications of HMI Brass Cable Gland 50mm
The HMI 50mm cable gland can be considered for suitable industrial cable-entry applications including:
- Electrical control panels
- Power distribution panels
- Junction boxes
- Industrial enclosures
- Switchgear assemblies
- Transformer-related installations
- Industrial machinery
- Manufacturing plants
- Power and infrastructure projects
- Instrumentation systems
- Large industrial cable-entry applications
For SC050, HMI specifies armoured and unarmoured cable applications. For DC050, HMI specifies armoured cable applications with inner/outer sheath sealing and armour clamping.
For environmental and enclosure protection considerations, see What Is IP Rating on Cable Glands and Why Does It Matter?.
Cable Gland Thread and Installation Considerations
The HMI 50mm Single and Double Compression ranges specify BSC entry thread. Before placing an order, verify that the enclosure or panel entry is compatible with the required thread standard.
Incorrect thread selection can result in installation difficulties, poor seating or sealing problems. Thunderbolt’s cable-gland buying guide recommends verifying the thread standard before ordering rather than assuming that different thread systems are interchangeable.
For installation-related guidance, internally link to Cable Gland Torque Specification: Why Over-Tightening Fails More Joints Than Under-Tightening.
Important: do not publish a generic torque value for HMI SC050/DC050 unless the applicable HMI documentation provides that specific value.
Why Choose Thunderbolt Electromech India Pvt. Ltd. for Cable Glands?
Thunderbolt Electromech supports industrial buyers looking for cable glands based on brand, size, cable construction, compression type and application, rather than simply supplying a nominal gland size.
1. HMI Cable Gland Range
Thunderbolt’s cable-gland range includes HMI Single and Double Compression Cable Glands, including the 50mm (2″) size.
2. Multiple Industrial Cable Gland Brands
Thunderbolt supplies industrial cable-gland options from HMI, Dowells, Comet, Diamond and MIC, helping customers select products according to project requirements and budget. The current Cable Gland pillar identifies these brands within Thunderbolt’s supply range.
3. Technical Selection Support
If you are unsure whether SC050 or DC050 is appropriate, provide the cable construction, actual OD, armour details and required thread. This information helps establish the appropriate configuration.
4. Multiple Sizes for Industrial Projects
Customers requiring different cable-gland sizes can consolidate procurement instead of sourcing every size from separate suppliers.
5. Bulk & Project Procurement
Thunderbolt supports requirements from:
- Electrical contractors
- EPC companies
- Panel manufacturers
- OEMs
- Industrial plants
- Procurement teams
- Infrastructure projects
6. Pan-India Supply
Thunderbolt supports industrial cable-gland requirements across India, including project and bulk requirements.
7. Selection Based on Engineering Requirements
The objective is not simply to supply a 50mm cable gland. The product should match the cable OD, construction, compression type, armour, thread and installation environment.
For the complete supplier-selection process, link to Cable Gland Supplier India: 15 Expert Tips to Choose the Right Cable Gland for Industrial Projects. The pillar itself emphasizes cable OD, thread, armour, IP requirements and compression type as key purchasing considerations.
FAQ – HMI Brass Cable Gland 50mm
1. What is an HMI Cable Gland 50mm?
The HMI Cable Gland 50mm (2″) is available in SC050 Single Compression and DC050 Double Compression configurations. HMI specifies nickel-plated brass construction and BSC entry thread for these ranges.
2. What is HMI SC050?
HMI SC050 is the 50mm (2″) Single Compression Cable Gland. HMI specifies the Single Compression range for indoor or outdoor applications with armoured or unarmoured cables, with the gland gripping the outer cable sheath.
3. What is HMI DC050?
HMI DC050 is the 50mm (2″) Double Compression Cable Gland. HMI specifies the Double Compression range for armoured cables, with the gland sealing/gripping the inner and outer sheath and the cone and ring clamping the armour.
4. What is the difference between HMI SC050 and DC050?
SC050 is Single Compression and is listed for armoured/unarmoured cables. DC050 is Double Compression and is listed for armoured cables, with inner/outer sheath sealing and armour clamping.
5. Is HMI 50mm cable gland suitable for armoured cable?
Yes. HMI lists SC050 for armoured/unarmoured cables and DC050 for armoured cables. The final selection should still be checked against the actual cable construction, OD and project requirements.
6. Can HMI SC050 be used for an unarmoured cable?
HMI specifies its Single Compression range for armoured/unarmoured cables, so SC050 can be considered for an unarmoured cable when the cable dimensions and application are compatible.
7. Can HMI DC050 be used for an unarmoured cable?
HMI’s Double Compression range is specified for armoured cables. Therefore, DC050 should not be selected for an unarmoured cable merely because the nominal 50mm size appears suitable.
8. Does a 50mm cable gland fit a 50mm diameter cable?
Not necessarily. The 50mm designation is the gland size, not a guarantee that it accepts a 50mm cable OD. The actual cable OD must be checked against the applicable HMI specifications.
9. Should I select a 50mm cable gland according to cable sq.mm?
No. Cable conductor size alone is not sufficient. The actual cable OD, construction, armour and gland type must be considered. Thunderbolt’s pillar guide specifically warns against selecting cable glands solely from conductor size.
10. What material is the HMI 50mm cable gland?
HMI specifies nickel-plated brass for both its Single Compression and Double Compression cable-gland ranges.
11. What thread does HMI 50mm cable gland use?
HMI specifies BSC (British Standard Conduit) entry thread for the Single Compression and Double Compression ranges.
12. Is HMI 50mm cable gland suitable for outdoor applications?
HMI describes both Single Compression and Double Compression ranges as suitable for indoor or outdoor applications. However, the complete installation must still be checked for cable construction, sealing requirements, enclosure entry and required ingress protection.
13. Which is better: HMI SC050 or DC050?
Neither is universally better. SC050 is the appropriate HMI configuration when Single Compression is required and the cable is compatible with that range. DC050 is intended for armoured cable applications where the Double Compression arrangement is required.
14. What accessories are available for HMI 50mm cable glands?
HMI lists Earth Tag and Shroud as available on request for Single Compression glands. For Double Compression glands, HMI lists Earth Tag, Shroud, Stop Plug, Reducer and Adaptor as available on request.
15. What information should I provide when ordering HMI 50mm cable glands?
For accurate procurement, provide:
- SC050 or DC050
- Cable type
- Actual cable OD
- Armoured/unarmoured status
- Armour dimensions, if applicable
- Required thread
- Quantity
- Application
- Required accessories
This is more reliable than ordering simply by saying “50mm cable gland.”
16. Can I order HMI 50mm cable glands in bulk?
Yes. For project or bulk procurement, provide the required SC050/DC050 configuration, quantity and cable details so availability and suitability can be checked before dispatch.
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