Product Description General Introductions YFB2 series
dust-explosion-proof three-phase asynchronous motors are designed,
tested, and manufactured according to GB12476.1-2000
(idtlEC61241-1-1999), Electrical Equipment Used in Environments
with Combustible Dust; Section 1: Technical Requirements for
Electrical Equipment, Part 1: Electrical Equipment with Enclosure
and Surface Temperature Limit Protection. These series motors are
fully enclosed, fan-ventilated, and have a squirrel-cage products.
They are of remarkable features, such as novel design, compact
construction, attractive appearance, high efficiency, and torque,
excellent starting performance, energy saving, low noise and
vibration, and safe and reliable operation. The frame size range of
this series is 80-355, and the output ratings and mounting
dimensions totally conform to the standards of the International
Electrotechnical Commission (IEC).Insulation grade: F or H in
general. Except for maximum temperature rise, the technical
parameters of the two grades are the same. The insulation grade of
YFB series motors is F. When the motors operate at an altitude less
than 1000m and the highest ambient temperature is less than 40° C,
the maximum temperature rise of stator windings shall be 80K, while
the 2-pole and 4-pole motors with the frame size of 315L and the
motors with the frame size of 355 should be examined by taking the
value as 105K.01. Allowable bearing temperature: not more than 95°
C. 02. Protection class of enclosure: IP65 (see
GB/T4942.1) 03. Cooling method: IC411 (see GB/T1993) 04.
Selection of the rated power and number of poles (rotation rate):
the output ratings provided by the manufacturer are chosen from the
first number system specified in the standard of GB/T4772.1, and a
small part of output ratings are chosen from the second number
system. However, the output ratings and the number of poles might
fail to meet user1 requirements on some occasions. If so, please
consult with the manufacturer. 05. Climate protection types
and environment marks. (1) TH-for the environment in the humid
tropics (2) W-for outdoor and slightly corrosive
environment(3) WF1 -for outdoor and moderately corrosive
environment (4) WF2-for outdoors and highly corrosive
environment (5) F1-for indoor and moderately corrosive
environment(6) F2-for indoor and highly corrosive
environment 06. Connection mode: Y connection for the output
rating of 3kW or below; △ connection for the other output ratings.
07. Cable entry: rubber sheath and steel fiber for choice.08.
Duty: continuous duty or S1 duty (S1 for short; running under a
constant load to reach the steady thermal state) 09.
Auxiliary requirements: the motors with a center height of 315-355
are provided with the oil-filling and -draining device.10.
Electrical Equipment Used in Environments with Combustible Dust;
Part 1: Electrical Equipment with Enclosure and Surface Temperature
Limit Protection.Work ConditionsThe Above Is The Default
Parameters, if You Have Any Other Special Requirements, you Can
Contact Us For Customization. TECHNICAL DATA
Frameoutput (kW)Rated CurrentSpeed r/minEff %ηPower Factor ΦRated
torquelocked rotor torque Rated torqueMax torque Rated torquelocked
rotor current rated
currentWeightKWHP380V400V415VTn(N.m)Tst/TnTmax/TnIst/lnkgSynchronous
speed
3000rpmYFB2-80M1-20.751.01.81.71.6287577.40.832.52.22.36.024YFB2-80M2-21.11.52.52.42.3287579.60.843.72.22.36.025YFB2-90S-21.52.03.33.23.0289081.30.845.02.22.37.035YFB2-90L-22.23.04.74.54.3289083.20.857.42.22.37.038YFB2-100L-234.06.25.95.7289184.60.8710.02.22.37.044YFB2-112M-245.58.07.67.4291485.80.8813.32.22.37.046YFB2-132S1-25.57.511.210.610.2291887.00.8818.12.22.37.581YFB2-132S2-27.51014.613.913.4292088.10.8824.72.22.47.589YFB2-160M1-2111521.020.019.2293089.40.8935.92.22.47.5142YFB2-160M2-2152028.426.926.0293090.30.8948.92.22.47.5152YFB2-160L-218.52534.733.031.8293790.90.8960.32.22.47.5169YFB2-180M-2223041.639.538.1294091.30.8971.52.02.37.5227YFB2-200L1-2304056.253.451.5295092.00.8897.12.02.47.5265YFB2-200L2-2375068.264.862.5295092.50.891202.02.47.5275YFB2-225M-2456082.578.475.6296092.90.891452.02.37.6340YFB2-250M-2557599.594.891.1296593.20.901772.12.37.6477YFB2-280S-275100135128123297093.80.902412.02.37.5655YFB2-280M-290120160152146297094.10.912892.12.37.5733YFB2-315S-2110150194185178297094.30.913531.82.37.01140YFB2-315M-2132180233221213297594.60.914241.82.37.01170YFB2-315L1-2160220278265255297594.80.925141.82.37.01385YFB2-315L2-2200270348330318297595.00.926421.82.37.01610YFB2-355M1-2220300383364351298595.00.927041.62.47.01680YFB2-355M2-2250340434412398298095.00.928011.62.47.01720YFB2-355L1-2280380485461444298595.00.928961.62.47.01780YFB2-355L2-2315430547520501298095.00.9210101.62.47.01850 Product
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