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Hammond’s small rectangular plastic enclosures are one of our most comprehensive families

24 June 2024

Hammond’s 1591 family is available in five versions: 1591, 1591 economy, 1591XX, 1591XX economy and 1591T, all in a wide range of sizes and features.

Hammond’s 1591 family is available in five versions: 1591, 1591 economy, 1591XX, 1591XX economy and 1591T. The wide choice of sizes and features makes it one of the most versatile ranges of small rectangular plastic enclosures on the market.

The 1591 and 1591XX differ in that the 1591 has multiple slots on 3.0mm spacing moulded into all four sides of the base for vertically mounting 1.6mm-thick PCBs; the 1591XX are smooth-sided with PCB mounting bosses in the lid and base so that PCBs can be mounted horizontally.

The standard and economy versions of the 1591 and the 1591XX differ in the material and method of attaching the top covers to the base. The standard versions are moulded from UL94-V0 flame-retardant ABS, and the economy versions are from general-purpose ABS. 

The lids of the standard versions are secured by machine screws into embedded brass bushes, making them ideal for multiple opening and closing. The economy versions use self-tapping screws into plastic posts. 

The 1591 and 1591 economy
• 13 sizes: 84mm x 56mm x 22mm to 190mm x 110mm x 57mm less lids
• Internal side walls include card guides for vertical PCB mounting
• Available with plain or flanged lids or with a flanged base
• Standard versions are moulded in UL94-V0 flame-retardant ABS
• Economy versions are moulded in general-purpose ABS
• Tongue and groove construction gives IP54 sealing for general purpose use
• Available in black and grey
• In the standard version the lid is secured with M3 x 10mm machine screws threaded into integral brass bushes. Perfect for applications when repetitive assembly and disassembly are required
• In economy versions the lid is secured with self-tapping screws into solid posts for cost saving when repeated access is not required
• Optional adaptors fit into the vertical slots enabling PCBs to be mounted horizontally in a choice of multiple position within the height of the enclosure

The 1591XX and 1591XX economy
• 12 sizes: 8mm x 56mm x 23mm to 221mm x 150mm x 58mm less lid
• Plain internal side walls for horizontal PCB mounting
• PCB mounting bosses moulded into the lid and base
• Available with plain or flanged lids
• Standard black and grey versions are moulded in UL94-V0 flame-retardant ABS
• Translucent blue and economy black versions are moulded in general-purpose ABS
• Tongue and groove construction gives IP54 sealing
• Available in grey, black and translucent blue
• In the standard version the lid is secured with M3 x 10mm machine screws threaded into integral brass bushes. Perfect for applications when repetitive assembly and disassembly are required
• In economy versions the lid is secured with self-tapping screws into solid posts for cost saving when repeated access is not required

The 1591T
• Six sizes: 99mm x 51mm x 20mm to 191mm x 109mm x 56mm
• Internal side walls include card guides for vertical PCB mounting
• Mounting flanges available as an accessory
• Moulded in UL94-V0 flame retardant polycarbonate
• Tongue and groove construction gives IP54 sealing
• Available as standard in transparent blue, transparent red, transparent to infrared wavelengths and clear, which is completely transparent.
• The lid is secured with M3 x 10mm machine screws threaded into integral brass bushes, perfect for applications when repetitive assembly and disassembly are required 

To contact Hammond to discuss a specific requirement, call +44 1256 812812, email the company at uksales@hammondmfg.com or eusales@hammondmfg.com or use Live Chat via its website. To help you specify your requirements you can download PDF, AutoCAD .dxf and 3D Solid Model .igs and .stp files for all Hammond’s products from its website.


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