B35 – FOOT AND D FLANGE MOUNTED

SpecificationDetails
Frequency50 Hz
Voltage380-415 V
Number of Poles2
Degree of ProtectionIP55
Synchronous Speed3000 rpm
Output Rating11 kW
MountingFoot & Flange-mounted
FlangeB35
Terminal BoxRight position
EnclosureIC411 – TEFC

Bearing Design

Deep groove ball bearings, series 62 shielded on both sides (ZZ), with bearing clearance “Normal” are provided on motors up to and including 112M frame. Frame size 132 will be provided with C3 clearance.

The grease used is lithium complex soap-based, Exxon Mobil, UNIREX N3, to NLGI Class 3.

References for the bearings are given in the following table:

Frame size Bearing reference
DE NDE
63 6201 ZZ 6201 ZZ
71 6202 ZZ 6202 ZZ
80 6204 ZZ 6204 ZZ
90 6205 ZZ 6205 ZZ
100 6206 ZZ 6206 ZZ
112 6206 ZZ 6206 ZZ
132 6208 ZZ 6208 ZZ

Balance and Vibration Severity
Balancing of the rotors is done with a half key; no-load vibration level of the motor would be “Normal” as per IS:12075.

Noise Level
No-load noise level for motors will be in accordance with IS:12065.

Voltage Variation %Frequency Variation %Combined Voltage and Frequency Variation %Permissible Output as % of Rated Value
± 6± 3± 9100
± 10± 5± 10100
± 12.5± 5± 12.595
± 15± 5± 1590
 

Terminal Box
The terminal boxes for all the motors are mounted on top. The particulars are given in the table below:

Frame SizeT.B. TypeTerminal Screw in mmMax. Permissible Conductor Cross-Section Area in mm²Max. Current Capacity in ACable Entry Diameter
63, 71, 80, 901 x B0 096M41 x 4161 x 19 (3/4″) BSC
100, 112, 1321 x B0 132M52 x 6202 x 25.4 (1″) BSC

Note:
a. Number of terminals – 6
b. Terminal box rotatable in steps of 90°

Gallery

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