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Overview
- Hub size: M20 for standard conduit connections
- Cable range: 10.79mm to 15.75mm outer diameter
- Outer diameter: 38.10mm for compact installation
- Material: Corrosion-resistant aluminum construction
- Certification: CSA listed for safety compliance
Specifications
Application | Connection and Strain Relief for Conduit Systems |
Material | Aluminum |
Series | ISRM |
Series | ISRM20 |
Size | M20 Hub, 10.79-15.75mm Cable Range |
Size | M20 Hub, Cable Range 10.79 to 15.75mm |
Size | M20 Hub, 10.79-15.75mm Cable Range, 38.10mm Outer Diameter |
Special Features | 100% of IEC Cable Pull-Out Requirements with No External Clamping |
Standard | CSA |
Type | Industrial Strain Relief Fitting |
Package Dimensions (L x W x H) | 0.01 IN x 0.01 IN x 0.01 IN |
Package Dimensions (L x W x H) | 0.0254 cm x 0.0254 cm x 0.0254 cm |
Package Weight (Imperial) | 0.150 L |
Package Weight (Metric) | 0.068 kg |

ISR125-122
Industrial Strain-Relief Fitting, Hub Size 1-1/4 Inch NPT, Cable Range 25.02 to 30.86mm, CSA and UL Listed, Outer Diameter 58.93mm, Aluminum
ISR200-206
Industrial Strain-Relief Fitting, Hub Size 2 Inch NPT, Cable Range 44.58 to 52.20mm, CSA and UL Listed, Outer Diameter 81.28mm, Aluminum
ISRM25-20
Industrial Strain-Relief Fitting, Hub Size M25, Cable Range 14.86 to 20.70mm, CSA Listed, Outer Diameter 43.18mm, Aluminum
ISR150-156
Industrial Strain-Relief Fitting, Hub Size 1-1/2 Inch NPT, Cable Range 33.91 to 39.37mm, CSA and UL Listed, Outer Diameter 65.53mm, Aluminum
ISRM50-39
Industrial Strain-Relief Fitting, Hub Size M50, Cable Range 33.91 to 39.37mm, CSA Listed, Outer Diameter 65.53mm, Aluminum
ISRM25-15
Industrial Strain-Relief Fitting, Hub Size M25, Cable Range 10.79 to 15.75mm, CSA Listed, Outer Diameter 41.28mm, Aluminum
ISR075-062
Industrial Strain-Relief Fitting, Hub Size 3/4 Inch NPT, Cable Range 10.79 to 15.75mm, CSA and UL Listed, Outer Diameter 41.28mm, Aluminum
ISR050-062
Industrial Strain-Relief Fitting, Hub Size 1/2 Inch NPT, Cable Range 10.79 to 15.75mm, CSA and UL Listed, Outer Diameter 38.10mm, Aluminum
ISRM20-13
Industrial Strain-Relief Fitting, Hub Size M20, Cable Range 8.25 to 13.34mm, CSA Listed, Outer Diameter 34.29mm, AluminumFrequently Asked Questions
What is the operating temperature range?
The ISRM20-15 operates within a temperature range of -50 to +110°C (-58 to +230°F).
What is the ingress protection rating?
The ISRM20-15 has an ingress protection rating of IP66 and Type 4X.
Is the product suitable for hazardous locations?
Yes, the ISRM20-15 is suitable for Class I Div 2 and Class II Div 1 locations.
What is the clamping range of the ISRM20-15?
The clamping range for the ISRM20-15 is from 10.79 to 15.00 mm.
What materials are used in the construction?
The ISRM20-15 is made from copper-free aluminum, with options for stainless steel and nickel-plated brass.
What cable types are compatible?
The ISRM20-15 is suitable for non-armoured, portable, and tray cable types.
What certifications does the product have?
The ISRM20-15 conforms to RoHS, ATEX, CSA, and UL standards.
What are the installation requirements?
The product must be installed in accordance with applicable national and local electrical codes.
What safety precautions should be taken?
Ensure suitable gasket and lock nut are used for ingress protection during installation.
What is the pullout force capability?
The ISRM20-15 meets 100% of the IEC pullout requirements.
Frequently Asked Questions about ABB - Installation Products
How are Thomas and Betts products typically installed?
Thomas and Betts products are installed using a variety of methods tailored to specific applications, including the use of flexible cords and cable fittings, non-metallic cable glands, and armored cable fittings. Proper selection of fittings is crucial to match the cable type and installation environment, ensuring durability and preventing physical damage. Tools such as the Blackburn® Comfort Crimp® and HEX-FLEX® systems enhance installation efficiency and reliability, reducing labor time and ensuring secure connections.
What accessories are available for Thomas and Betts products?
Thomas and Betts offers a comprehensive range of accessories for their products, including various cord and cable fittings, non-metallic cable glands, service entrance cable fittings, and armored cable fittings. Their accessories are designed to enhance installation efficiency and ensure compatibility with different cable types and environmental conditions, providing reliable connections for a wide array of applications.
What environmental ratings do Thomas and Betts products have?
Thomas and Betts products feature robust environmental ratings, including NEMA Type 1, 2, 3, 4, 4X, 12, and 13 certifications, as well as IEC 60529 IP66 protection. These ratings ensure that their products are designed to withstand harsh industrial environments, with capabilities to resist dust, water, and corrosion, and operate effectively in a wide temperature range.
What communication protocols do Thomas and Betts products support?
Thomas and Betts products support a wide range of industrial communication protocols, including Ethernet, DeviceNet, PROFIBUS, Modbus, CANopen, and others. This extensive compatibility ensures seamless integration and reliable communication across various industrial automation systems, catering to diverse application needs.
What are the key features of Thomas and Betts products?
Thomas and Betts products are known for their innovative designs, high performance, and compliance with industry standards such as the National Electrical Code and Underwriters' Laboratories. They offer a comprehensive range of rugged and reliable electrical fittings, including liquidtight and dust-tight connections, which enhance installation efficiency and reduce overall project costs. Their products are engineered for durability in harsh environments, ensuring long-term reliability and lower installed costs.
What are the main product lines offered by Thomas and Betts?
Thomas and Betts offers a comprehensive range of product lines including electrical connectors, cable management systems, grounding and bonding solutions, and industrial automation components. Their products are designed for durability and reliability in demanding industrial environments, ensuring optimal performance and safety across various applications.
What technical support does Thomas and Betts offer?
Thomas and Betts offers comprehensive technical support, including access to field application engineers for onsite training and installation assistance. Their technical support staff is available to address inquiries related to product specifications and installation practices, ensuring optimal performance and safety of electrical systems. Additionally, they provide a variety of training programs to enhance the knowledge and skills of users in the field.
What industries and applications are Thomas and Betts products used for?
Thomas and Betts products are utilized across various industries including electrical construction, industrial automation, telecommunications, and utilities. Their extensive range of cord and cable fittings, electrical boxes, and metal framing systems are designed for applications that require durability and reliability in harsh environments, ensuring optimal performance in both permanent and temporary installations.
What certifications and standards do Thomas and Betts products comply with?
Thomas and Betts products comply with critical international certifications including UL (Underwriters Laboratories), CSA (Canadian Standards Association), and CE (European Community). Our products are designed to meet rigorous industrial standards such as NEMA enclosure ratings and IEC 60529 IP ratings, ensuring safety and reliability across various industrial applications.
What are the main product lines offered by Ocal?
Ocal offers a comprehensive range of corrosion-resistant conduit systems, including PVC-coated conduit and fittings, conduit bodies, hazardous location fittings, and strut accessories. Their products are designed to provide superior corrosion protection, featuring a hot-dipped galvanizing process and UL listed Type 4X PVC-coated conduit bodies, ensuring durability in the most demanding environments.