S&L Motor Explosion Proof YB3 High Voltage
YB3 series flame-proof three phase asynchronous motor is an axial ventilation totally
enclosed fan cooling squirrel-cage motor, as the new design of basic series for updating of YB2
series flame-proof motor. It has the many features of higher efficiency, larger torque, stronger
overload capacity, lower Noise smaller vibration larger temperature margin , better
performance, convenient of installation and reparation longer service life and other advantages
With reasonable flame -proof structure, safe and reliable using, and also good looking appearance
ete. Products technology level reaches the China domestic advanced level. The series electric
motors, power grade, mounting dimensions comply with IEC Standards, corresponding to the
Germen standard DIN42673. It is working for mating of export and import equipments as well as
spare parts.
YB3 series flame-proof Asynchronous motors (frame size 63-355), are designed and
manufactured according to IEC60079-0:2007 Electrical Apparatus for Explosive Gas Atmospheres
Part 1 General Requirements, GB3836.2-2010 Electrical Apparatus for Explosive Gas
Atmospheres Part 2 Enclosure “d” and JB/T 7565.1-2011 Flame~Proof Electrical Motor Technical
Conditions Part 1 YB3 Series Flame~Proof Asynchronous motor.
Explosive Marking: Exdbl (Exdl Mb). ExdblIAT4 (ExdIlAT4 Gb). ExdblIBT4 (ExdlIBT4 Gb).
ExdlICT4 Gb. Exd” 1IB+H2″ T4 Gb, suitable for coal mining fixed equipment where containing
methane or coal dust.Exd|(Exdl Mb) Or with Il Grade A, B T1~ T4 level ExdblIAT4 (ExdlIAT4 Gb),
ExdbliBT4 (ExdlIBT4 Gb) , ExdllCT4 Gb. Exd” IIB+H2″ T4 Gb suitable for devices where
flammable gas or vapor and explosive mixture air exists, used as a general power equipment
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