
ABB Installation Products ISRM50-39SS Industrial Strain-Relief Fitting, Hub Size M50, Cable Range 33.91 to 39.37mm, CSA…
UPC: 786210207216
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Overview
- Stainless steel Type 303/304 construction for corrosion resistance in harsh environments
- M50 hub size with 65.53mm outer diameter for compatibility with standard industrial enclosures
- Accommodates cable diameters from 33.91mm to 39.37mm (1.335–1.550 in)
- Recessed O-ring design ensures long-term watertight sealing for NEMA 4 applications
- CSA Listed for safety compliance in industrial and outdoor installations
Specifications
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) | 1.230 L |
Package Weight (Metric) | 0.558 kg |

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What is the temperature rating of the ISRM50-39SS?
The temperature rating is -50°C (-58°F) to +110°C (+230°F).
What certifications does the ISRM50-39SS have?
It is certified for CSA, IECEx, and ATEX standards, including IP66.
What is the IP rating of the ISRM50-39SS?
The IP rating is IP66, indicating it is dust-tight and protected against water.
What materials are used in the ISRM50-39SS construction?
It features a copper-free aluminum body, nylon chuck ring, and silicone sealing ring.
Is the ISRM50-39SS suitable for hazardous locations?
Yes, it is suitable for Class I, II, III DIV 2 and other hazardous locations.
What is the maximum cable size for ISRM50-39SS?
The maximum cable size is 1.215 inches (30.86 mm).
What is the minimum cable size for ISRM50-39SS?
The minimum cable size is 0.985 inches (25.02 mm).
What is the thread type for ISRM50-39SS?
The thread type is 1.25-11.5 NPT.
What is the operating voltage for ISRM50-39SS?
The document does not specify an operating voltage for the ISRM50-39SS.
What are the installation requirements for ISRM50-39SS?
The installation requirements are not explicitly detailed in the document.
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.
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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.
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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.
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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.
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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.

