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ABB EM45 Series 45° DIN Rail Offset Mounting Bracket
The ABB EM45 is a 45° rail offset bracket engineered as a mounting piece for standard mounting rail (DIN rail) systems used in panelboards and control enclosures. With a compact 25 mm spacing dimension, a 25 mm net width, a 46 mm net depth/length, and a 36 mm net height, this bracket offsets components cleanly along the rail while keeping panel layouts organized, accessible, and code-compliant. At just 48 g per piece, it is built for professional electrical and panel-building applications where reliable, repeatable rail mounting and efficient use of enclosure space are required.
Key Features
- 45° Offset Angle: The angled design allows components mounted on the rail to be offset from one another, improving spacing, wire routing, and overall panel layout flexibility.
- Compact Footprint: A product net width of 25 mm and net depth/length of 46 mm keep the bracket unobtrusive within crowded panels and enclosures.
- Low-Profile Height: A product net height of 36 mm supports installations with tight panel and enclosure clearances.
- 25 mm Spacing: A matched 25 mm spacing dimension provides consistent alignment when paired with standard mounting rail hardware and adjacent components.
- Lightweight Design: A product net weight of just 48 g per piece simplifies handling, staging, and installation during panel assembly.
- Mounting Piece Function: Purpose-built as a mounting piece for EC001285 mounting rail systems per ETIM classification, ensuring compatibility with standard DIN rail hardware.
- Bulk-Friendly Packaging: Available with a package level 1 quantity of 10 pieces and a minimum order quantity of 10 pieces to match panel-building volume needs.
Technical Specifications
- Angle: 45°
- ETIM Classification: EC001285 - Mounting rail
- Spacing: 25 mm
- Product Net Width: 25 mm
- Product Net Depth / Length: 46 mm
- Product Net Height: 36 mm
- Product Net Weight: 48 g
- Function: Mounting Piece
- Minimum Order Quantity: 10 piece
Typical Applications
- Panelboard and Control Enclosure Assembly
- DIN Rail Component Mounting and Offsetting
- Industrial and Commercial Electrical Panels
- Switchgear and Distribution Equipment Layouts
- Renovation and New Panel Construction
Why ABB?
ABB brings precision engineering to every mounting component, and the EM45 rail offset bracket is designed to deliver a consistent fit and reliable performance within standard mounting rail systems. With defined net dimensions, a light net weight, and a clear mounting-piece function, panel builders and electrical professionals can count on ABB mounting hardware for repeatable, code-compliant installations across commercial and industrial projects.
Manufacturer Resources
Product Specs
- Angle:
- 45°
- Product Type:
- Mounting Bracket
- Department:
- Electrical
- Product Group:
- Wiring Devices
- Product Subgroup:
- Parts & Accessories
ABB 1SNA008521R2600 – Frequently Asked Questions
1) Will the ABB EM45 bracket fit standard DIN rail in my control enclosure?
Yes. The EM45 is built as a mounting piece for standard mounting rail (DIN rail) systems, and its 25 mm spacing dimension is matched to line up with standard rail hardware and adjacent components. If your enclosure uses conventional DIN rail for breakers, relays and terminal blocks, this bracket is the right family of hardware.
2) How much clearance do I need in the enclosure for the ABB EM45 offset bracket?
Plan on 25 mm net width, 46 mm net depth/length and 36 mm net height per bracket. The 36 mm height is the number to check against your door-to-rail clearance, and the 46 mm depth is what eats into the space behind whatever you mount on it. In a tight retrofit panel, measure those three before you commit to the layout.
3) I need to mount a contactor inside an enclosure - does the ABB EM45 bracket do that, or do I need something else?
The ABB EM45 is a 45 degree rail offset mounting piece that sets components apart from one another along standard DIN mounting rail; it is not a carrier for a specific device. For mounting a contactor in a NEMA 1 enclosure, the Square D 9999BLX is a mounting bracket made for the 8903L contactor line and rated NEMA 1. The two are often used in the same panel - the contactor bracket carries the device, and EM45 offsets equipment on the rail for wire routing and spacing.
4) Is the Eaton 616 Series sensor mounting bracket an equivalent to the ABB EM45 45 degree rail offset bracket?
No. The ABB EM45, part number 1SNA008521R2600, is a 45 degree offset mounting piece for standard DIN mounting rail systems, with a 25 mm spacing dimension, 25 mm net width, 46 mm net depth, 36 mm net height and 48 g net weight. The Eaton 616 Series bracket is a photoelectric sensor mounting bracket, made to hold a 616 Series sensor rather than to offset components along a DIN rail. If the panel drawing calls for angled component spacing on rail, the EM45 is the part; if you are positioning a photoeye, the Eaton 616 bracket is the one to pull.
5) For hanging a transformer on a wall, is a DIN rail offset bracket like the ABB EM45 the right hardware?
No. The ABB EM45 is a lightweight 48 g mounting piece sized at 25 mm wide by 46 mm deep by 36 mm high, designed to offset components along standard mounting rail inside panelboards and control enclosures. Wall-hanging a transformer is a structural mount and calls for a wall-mount bracket such as the Square D EX-Series gray steel transformer wall-mount bracket. Specify the EM45 for interior panel layout work and the EX-Series bracket for the wall mount itself.
6) Can I buy just one ABB EM45 bracket, or do they come in packs?
They come in tens. The EM45 ships with a package quantity of 10 pieces and a minimum order quantity of 10 pieces, so this is bulk panel-build hardware rather than a single-piece repair part. Each bracket weighs 48 g, so a pack of ten is still light to stage on a bench.
7) Is the ABB EM45 the same kind of thing as a contactor or transformer mounting bracket?
No, and the difference matters when you are picking from a bracket list. The EM45 offsets components along DIN rail inside a panel. A Square D 8903L contactor mounting bracket is a NEMA 1 bracket for mounting a specific lighting contactor, and the Square D EX-Series wall-mount bracket is a gray steel bracket for hanging a transformer on a wall. Eaton's 616 Series bracket is a photoelectric sensor mount. Those three each carry a specific device; the EM45 is generic rail hardware.
8) Why use a 45 degree offset bracket instead of just mounting components flat on the rail?
Flat rail mounting is fine until the panel gets crowded. The 45 degree angle on the EM45 lets you step components away from one another so you get wire bending room between them and cleaner routing through the enclosure, without adding a second rail. On new switchgear and distribution layouts it is a layout tool; on a renovation where you are adding devices to an existing panel, it is often what makes the added device fit at all.
9) Do I have to buy ABB's own DIN rail accessories to use the EM45, or will it work alongside other brands' panel brackets?
The EM45 is built as a mounting piece for standard mounting rail (DIN rail) systems, so it aligns with standard rail hardware using its matched 25 mm spacing dimension rather than requiring ABB-only components. It is common to see it in a panel alongside device-specific brackets from other lines, such as the Square D 9999BLX for 8903L contactors or the Eaton 616 Series photoelectric sensor bracket, since those mount their own devices and the EM45 handles the rail offset. Note the EM45 ships in packs of 10 with a 10 piece minimum order.
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Does the ABB 1SNA008521R2600 come with a warranty?
Absolutely. The ABB 1SNA008521R2600 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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