BO2820N2B

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Description

1 Voltage V 12.0 24.0 36.0
2 Terminal resistance Ω 0.14 0.58 1.22
3 No-load speed rpm 14000 14000 14000
4 No-load current A 0.48 0.24 0.16
5 Stall torque mNm 698 664 718
6 Stall current A 86.3 41.2 29.6
7 Nominal torque mNm 68.5 75.1 73.0
8 Nominal speed rpm 10350 10680 11310
9 Nominal current A 9.1 4.7 3.0
10 Max. output power W 256 244 263
11 Max. efficiency % 85.6 85.1 85.9
12 Back-EMF constant mV/rpm 0.9 1.7 2.6
13 Torque constant mNm/A 8.1 16.2 24.4
14 KV Value rpm/V 1168 585 389
15 Speed/torque gradient rpm/mNm 20.1 21.2 19.5
16 Rotor inertia gcm² 19 19 19
17 Weight g 41 41 41
18 Thermal resistance housing-ambient K/W 2.3
19 Thermal resistance winding-housing K/W 2
20 Thermal time constant motor s 280
21 Thermal time constant winding s 37
22 Operating temperature range °C -40~+120
23 Thermal class of winding °C 180
24 Axial play mm 0.012
25 Radial play mm 0.008
26 Axial load dynamic N 5
27 Axial load static N 80
28 Radial load at 3 mm from mounting face N 29
29 No. of pole pairs 7
30 Bearings 2 ball bearings
31 Commutation Sensorless
32 Protection class IP 20

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