DF - DFS - DFP Series -
Double Polarity (2 speed) 3phase IEC Brake Motors |
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Made-to-Order Brochure |
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MT Motori Electtrici is well known in Europe for its high quality and broad range of AC-Brake Motors. Above photos illustrate three of our standard two speed, 3 phase, IEC frame brake motors. The appearance and size is identical to the single speed brake motors.-
Left is the standard DF type, which features a rectified AC SAB type brake (an AC electromagnet holds back the springs that will close the brake should power be interrupted).
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In the middle is a photo of a DFS which is supplied with a DC SAB brake (rectified DC is powered by terminal strip connection or by an control power feed). Very compact size.
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On the right is our DFP series, which has a AC electromagnet over springs, this has the highest release and braking precision, the maximum braking frequency, and high starting frequency capabilities. DFP brakes have double braking surface for maximum precision and wear life. We can also supply DFP type with DC brake for softer braking.
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- 63A to 160L frame sizes.
- B3, B5, B14, B3/B5, B3/B14 standard.
- 230-400V 50/60hz, 230/460V 50/60hz
- 0.07 to 430 hp (0.05 to 315kw)
- 2/4, 4/6, 4/8, 2/6. 2/8. 6/8 pole combinations standard.
- Reduced size output flanges available B14, B5
- Encoders for closed loop vector or servo optional.
- Servo Ventilation for 100% cooling at 0hz opt.
- CL-F standard, CL-H optional.
- Double Output Shaft optional
- Special voltage ratings available.
- Thermal protection optional.
- Tropical proof winding optional.
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- Housings & End covers of high strength vacuum die-cast aluminum.
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Cooling fans are bi-directional of high impact engineered plastics
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Fan shrouds in polyester epoxy powder painted RAL Blue, or Zinc Plated steel.
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Dimensions & Construction conforming strictly to IEC, UNEL, & CEI specifications.
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Wire is double coated Essex Class H grade as standard.
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Insulation Class F with no extra charge, Class H insulation (180 C) optional.
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High quality screw-down clamp terminal strip within diecast two-piece terminal box.
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Phase separators standard.
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Magnetic Metal sheets standard
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Suitable for 50 or 60 hz operation.
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NSK or SKF Electric Motor Quality ISO bearings.
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UNI EN ISO 9001:2000 production.
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ATEX 94/9 CE Zone 2-22
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UL 1004 Certificate - CSA C22.2 NR. 100-95
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IP 55 (protection from dust, protection from water nozel of any direction) standard.
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IP-66 or 67 available upon request.
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100% Italian design & manufacture - No extra cost, it is our passion.
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