B2440NH2B

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Description

1 Voltage V 24.0 18.0 24
2 Terminal resistance Ω 2.5 1.875 3.54
3 No-load speed rpm 17000 17000 12000
4 No-load current A 0.15 0.15 0.14
5 Stall torque mNm 125.4 94.1 124.2
6 Stall current A 9.6 9.6 6.8
7 Nominal torque mNm 18.2 13.7 18.2
8 Nominal speed rpm 14500 14500 10200
9 Nominal current A 1.52 1.14 1.07
10 Max. output power W 56 41.9 39
11 Max. efficiency % 76 43.5 49.7
12 Back-EMF constant mV/rpm 1.4 1.0 2.0
13 Torque constant mNm/A 13.3 10.0 18.7
14 KV Value rpm/V 708.3 944.4 500.0
15 Speed/torque gradient rpm/mNm 135.6 180.7 96.6
16 Rotor inertia gcm² 2 2 2
17 Weight g 80 80 80
18 Thermal resistance housing-ambient K/W 9
19 Thermal resistance winding-housing K/W 3.5
20 Thermal time constant motor s 620
21 Thermal time constant winding s 4
22 Operating temperature range °C -40~+120
23 Thermal class of winding °C 155
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 1
30 Bearings 2 ball bearings
31 Commutation Hall Sensor
32 Protection class IP 30

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