Electromagnets and Coils

GMW designs and manufactures a wide array of copper electromagnets with fields over 5T. We offer both DC and AC electromagnets.

Projected Field Electromagnets

5201 Horizontal Projected Field

Horizontal Projected Field Electromagnet. Open access for probes, lasers, and microscopes.

  • Mass = 2 .1kg
  • 70 x 60 x 120mm
  • In-plane field of 0.35T @ z=2mm
  • In-plane field of 0.1T @ z=12mm
  • Peak excitation 20A/20V

5203 Vertical Projected Field

Vertical projected field electromagnet. Open access, Field primarily perpendicular to magnet surface.

  • Mass = 2 .5kg
  • 74 x 74 x 123.5mm
  • Interchangeable poles
  • Perpendicular field of 0.5T @ z=5mm
  • Perpendicular field of 0.4T @ z=10mm
  • Peak excitation 100A/30V

5204 Vector Projected Field

Projected vector field magnet providing field of any orientation at a location above the magnet surface.

  • Mass = 2 .5kg
  • 74 x 74 x 123.5mm
  • Projected vector field up to 0.3T
  • Interchangeable pole extensions
  • Any mounting orientation
  • Up to 200 Hz operation
5205 large

5205 Vertical Projected Field

Low profile projected vertical field magnet providing uniform Bz field at a location above the magnet surface.

  • Mass = 1.3kg
  • 92 x 92 x 32.6mm
  • Perpendicular projected field (±5%) up to 50mT @ z=5mm
  • High operating temperature
  • Variable pole geometry

5207 Vertical Projected Field

System primarily designed for integration into probe stations for MRAM test. The location of the pole face can be adjusted precisely to be located relative to the DUT with high accuracy.

  • Mass = 20kg
  • 1.5T perpendicular field @ z=2mm
  • 196mm outer ø x 122mm H
  • Any mounting orientation
  • Continuous excitation 35A/50V

HTS-110 2T Projected Field

Compact HTS-110 Magnet with 2T Bz field perpendicular to the surface of the magnet

Dipole Electromagnets

3470 Dipole, 45mm

The smallest and lightest standard dipole electromagnet available from GMW.

  • Mass = 31kg
  • 377 x 233 x 217mm
  • >1T at 10mm gap, 0.5T @ 25mm gap
  • Reversible plane (40mm) or tapered poles (20mm)
  • Adjustable pole gap
  • Air (3.5A) or water (6A) cooled
  • Adjustable coil spacing

3460 Dipole, 37mm

The 3460 is the smallest dipole electromagnet that can generate 1.5T across a 10mm gap

  • Mass = 10kg
  • 166 x 120 x 136mm
  • 1.5 T @ 10mm gap
  • Fast cycle times
3480-front

3480 Dipole, 45mm

The 3480 dipole electromagnet is a light weight versatile system that can provide fields above 2 Tesla.

  • Mass = 34kg
  • 285 x 197 x 213mm
  • 3.6 T @ 2mm gap
  • 1T @ 25mm gap
  • Peak power 35A/60V
  • Any mounting orientation
5403 front

5403 Dipole, 76mm

Variable gap C frame dipole electromagnet. The light weight allows it to be used on optical tables or production test equipment and the simple poles enable axial entry & exit holes to be matched to the optical geometry.

  • Mass = 124kg
  • 604 x 270 x 359mm
  • Adjustable gap, 0 to 86mm
  • Variety of pole caps, 10, 38, 76mm
  • 1T @ 35mm, 2T @ 15mm gap
5405 Front

5405 Dipole, 76mm

The 5405 dipole electromagnet is a fit, form and function upgrade for the 5403 electromagnet system.

  • Mass = 155kg
  • 600 x 322 x 355mm – mountable on optical table
  • 3.3T @ 5mm gap, 2T @ 20mm gap, 1T @ 50mm gap
Large 5501

5501 Dipole, 250mm

The 5501 Electromagnet is a fixed Pole gap dipole electromagnet. The C frame gives open access to the pole gap region and the 5501 can be mounted in any orientation.

  • Mass = 1800kg
  • 830 x 410 x 710mm
  • Fields to >0.6T at 204mm gap
  • Fixed gap, selectable factory setting

 

5503

5503 Dipole, 400mm

The 5503 Electromagnet is a fixed Pole gap C frame dipole electromagnet. The C frame gives open access to the pole gap region from and the 5503 can be mounted in any orientation.

  • Mass = 1790kg
  • 790 x 710 x 815mm
  • Field >0.35T at 300mm Gap

 

 

Large 3472-70

3472 Dipole, 100mm

3472-50 is fitted with a 50Amp coil pair,  coil gap- 115mm. 3472-70 is fitted with a 70Amp coil pair with enhanced cooling,  coil gap – 82mm.

  • Mass = 325kg
  • 372 x 233 x 217mm
  • 50 or 70 Amp versions
  • Adjustable pole gap, 0 to 115mm
  • Wide variety of pole caps, 25 to 100mm
  • 2.5T @ 10mm gap, 1T @ 60mm gap
3473-70

3473 Dipole, 150mm

3473-50 is fitted with a 50Amp coil pair,  coil gap- 127mm. 3473-70 is fitted with a 70Amp coil pair with enhanced cooling,  coil gap – 96mm.

  • Mass = 600kg
  • 686 x 405 x 570mm
  • 50 or 70 Amp Versions
  • Adjustable pole gap, 0 to 150mm
  • Wide variety of pole caps, 25 to 150 mm
  • 3T @ 10mm gap, 1T @80mm gap
3474

3474 Dipole, 250mm

The 3474 Dipole Electromagnet  is recommended when high fields and or high uniformity are needed.

  • Mass = 1800kg
  • 920 x 636 x 864mm
  • Adjustable pole gap, 0 to 160mm
  • Wide variety of pole caps, 25 to 250mm
  • 3.5T @ 10mm, 2T @ 50 mm, 1T @ 120mm
5404

5404 High Field Dipole

Model 5404 High Field Dipole Electromagnet is intended for applications requiring a small volume of high field in the range of 4T to 5T. Interchangeable poles.

  • Mass = 170kg (table top)
  • 284 x 356.5 x 380mm
  • 5.4T @ 1mm pole gap
  • 4T @ 5mm pole gap
  • 1.4T in split solenoid configuration
  • Full ± field cycle in 10 seconds
5414

5414 Dipole, 315mm

The 5414 is the largest standard GMW dipole electromagnet. It has fixed Pole Caps tailored to the user requirements with diameters up to 315mm and Pole gaps to 200mm.

  • Field >2.7T at 50mm gap

Helmholtz Coil Electromagnets