Overview

The MK52 24V magnetic heatbed is an original replacement part designed for stable heating and perfect adhesion of flexible spring steel build plates. The assembly is ready for immediate installation – it includes a power cable for the Einsy board and a populated thermistor. Compatible with Original Prusa MK3, MK3S, and MK3S+ printers. Not compatible with MK2.5/MK2.5S, MINI/MINI+, MK4/MK3.9/MK3.5, or the XL line.

Note: The print sheet (flexible spring steel sheet) is not included.

Main benefits

• Integrated 45SH neodymium magnets (28 pcs) for secure retention of flexible sheets even at higher temperatures.
• Even heating across the entire surface and a stable first layer.
• Complete plug-and-play assembly with a pre-installed thermistor and cabling for Einsy.
• Proven reliability and precision of an original Prusa Research part.

Package contents

• MK52 24V magnetic heatbed (1×)
• Heatbed power cable – Einsy (screw terminal) (1×)
• Heatbed thermistor (pre-installed, secured with Al and Kapton tape) (1×)
• Textile sleeve 5×300 mm (1×)
• Heatbed cable cover (1×) and clip (1×)
• Fasteners: M3nN nuts (3×), M3n (2×); M3×10 screws (5×); M3/3.2/9/0.8 washers (2×).

Technical parameters

• Dimensions: 264.4 × 254 mm
• Thickness: ~3.175 mm
• Voltage: 24 V
• Current: 6.25 A
• Max. operating temperature: 120 °C (recommended max. 110 °C)
• Magnets: 45SH neodymium block, 28 pcs (bonded with Loctite HY 4090)

Installation and support

For replacement, follow the assembly/service guides for your specific model in the Prusa Research Knowledge Base.

Use cases

Ideal as a replacement for a worn or damaged heatbed on MK3/MK3S/MK3S+ printers. Thanks to strong magnets, it ensures firm and repeatable attachment of flexible spring steel sheets and consistent first-layer quality even during long-term operation.

Key features:

• Original Prusa Research spare part for MK3/MK3S/MK3S+
• Complete assembly with power cable for Einsy and pre-installed thermistor
• Strong integrated 45SH magnets (28 pcs) for firm attachment of flexible sheets
• Uniform and fast heating of the entire build area, stable first layer
• Easy replacement following the official assembly manuals
• Durable construction and long service life for continuous operation