50 Hertz Motors • Three Phase
 

 
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THREE PHASE • RIGID BASE
CAST IRON • TEFC • IP54
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THREE PHASE • TEFC
RIGID BASE • IP54
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THREE PHASE • TEFC
C FACE LESS BASE • IP54
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General Specifications:
Heavy-duty industrial motors ideal for "tough to handle" applications. Cast iron frome, mounting feet, endplates, and conduit box.
Using available LEESON kits, these motors are field convertible to severe duty, F2 mounting, C face with rigid base, or D flange with base.

Features:
Standard features include 12-lead Wye start/Delta run windings
(15 HP and higher) and Class F insulation system. Also includes condensate drains, lubrication fittings, non-sparking fan and locked shaft-end bearing (254T and larger). Suitable for outdoor and high altitude applications. Stainless steel nameplate.

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CONFORMITE
EUROPEENE

The CE Mark

CE is an acronym for the French phrase "Conformite Europeene" and is similar to the UL or CSA marks of North America. However, unlike UL or CSA which require independent laboratory testing, the CE mark can be applied by the motor manufacturer through "self certifying" that its products are designed to the appropriate standards. The European Union has issued 24 directives related to the CE mark. Three Directives apply to electric motors.

Low Voltage Directive (73/23/EEC) This directive applies to electrical equipment operating in the voltage range of 50-1000 volts AC or 75-1500 volts DC. Virtually all LEESON motors (except low voltage DC) are included in this directive.
Based on our testing to the applicable electrical and mechanical standards EN60034 and IEC 34, LEESON certifies conformity to this directive. All three phase 50 Hz stock motors comply with the nameplate designations, lead markings and connection diagrams required. A "Declaration of Conformity" accompanies these motors and a CE label is applied.

Machinery Directive (89/3392/EEC) This directive applies to machinery that may contain certain motors. This is an issue with equipment manufacturers and requires the use of a motor meeting the Low Voltage Directive and requires a "Declaration of Incorporation" document which means that only the motor complies with the requirements of the Low Voltage Directive. A CE label is applied to the motor but it remains the responsibility of the equipment manufacturer to obtain certification for the finished product.

Electromagnetic Compatibility (EMC) Directive (89/336/EEC) This directive addresses the final product and is again a concern for the equipment manufacturer. Since this Directive addresses electromagnetic interference (EMI) concerns, it does not affect three phase AC motors because they do not produce EMI. DC motors, however, do produce EMI. How much of the "noise" is emitted outside the machine depends on a host of factors. LEESON's Engineering Department can assist OEM's in applying DC motors in machinery destined for Europe and requiring certification to the EMC Directive.

 


LEESON's Inverter Rated Insulation system (IRIS™)
provides superior protection against voltage spikes induced by variable frequency drives. This total insulation system protects better than spike-resistant magnet wire alone. Specially formed phase insulation, cushioned and sleeved connections (from the leads all the way into the turns), and deep-penetrating, non-hygroscopic, high temperature varnish are just a few features contributing to extra protection. All this plus second generation spike-resistant magnet wire. The IRIS™ total insulation system is standard at no extra cost in all LEESON stock NEMA three-phase motors, 1 HP and larger.

 

THREE PHASE • CAST IRON • RIGID BASE • TEFC • IP54

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5 thru 10 HP
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15 thru 25 HP
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30 thru 50 HP
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60 thru 150 HP
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THREE PHASE • TEFC • RIGID BASE • IP54

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0.25 / 1/3 thru 3.7/5 HP
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THREE PHASE • TEFC • C FACE LESS BASE • IP54

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0.18 / 1/4 thru 3.7/5 HP
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Last modified: May 06, 2000