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Satuma Denki BRS5 Drum Type DC Electromagnetic Brakes Drum Type AC-operated DC Electromagnetic Brakes

Made in Japan
Manufacturer : Satuma
Model ; BRS5

The AC operated DC solenoid brake is actuated by supplying AC power to the DC instantaneous strong excitation circuit using a proprietary control box. This is a separate brake, which is released when the power is on and engaged when it is turned off.

Types and Ratings of Drum Type Brakes

Brake Type BRS5 type AC-operated DC electromagnetic brakes
Applicable standard JEM 1240 (AC. operated brakes for totally-enclosed fan-cooled low-voltage three-phase wound-rotor induction motor for crane use)
Actuation Off brake (Instantaneous strong-excitation type)
Application For crane hoisting and industrial machinery
Ambient temperature -10°c ~ + 40°c
Protective structure of operation unit Dustproof type (Main unit: Unprotected type)
Insulation class of operation unit Class B insulation
Rated voltage and frequency 200V 50Hz、220V 60Hz
Usage rate of operation unit 60%
Actuating cycle 400(cycle/hour)
Coating color Munsell 5B5/ 0.5

Application of Drum Type Brakes to motors

Motor                                             AC-operated DC electromagnetic brakes and MEW Lifter brakes
Frame No. Number of poles Type of AC-operated DC electromagnetic brake Motor output and rated braking torque Motor output and rated braking torque
25%ED 40%ED 60%ED
Motor output (kW) Rated braking torque(N・m) Motor output
(kW)
Rated braking torque(N・m) Motor output (kW) Rated braking torque (N·m)
 

132M

 

6

BRS5- 1316 2.5 49 2. 2 49 1.8 49
4 66 3 . 7 66 3 49
160M  

6

BRS5-1620 6.3 98 5.5 98 4. 5/6. 3 98
8.5 137 7 . 5 137
160 L 6 BRS5-1620 13 208 11 208 9 137
180 L 6 BRS 5- 1825 17 294 15 294 13 208
200 L 6 BRS5 – 2025 25 392 22 392 18.5 294
225M 6 BRS5-2231 33 519 30 519 25 392
 

250M

 

6

BRS5- 2535 40 617 37 617 30 519
50 784 45 784 37 617
280M 8 BRS5-2840 63 1290 55 1290 45 980
 

315M

 

8

 

BRS5- 3145

85 1760 75 1760 63 1290
100 2080 90 1760 75 1760
 

355L

 

10

BRS 5- 3550L- 1 125 3280 110 3280 90 2600
– – 132 3280 110 3280
BRS5-3550L- 2 150 3920 –·-
 

400 L

 

10

 

BRS5-4056L- 1

185 4660 160 3920 132 3920
–·- 160 3920
BRS5-4056L- 2 220 5490 200 5490

Features

1. A brake lining with a contact angle of 60° is adopted.

・Excellent initial braking torque characteristics and easy replacement

2. Automatic vertical gap adjustment of brake lining

・Simple maintenance and inspection

3. Can be manually opened

・This no-voltage actuation bake can be manually opened using a special auxiliary nut (bolt.)

4. Large electromagnetic brakes come with an air damper (which can be optionally mounted to other electromagnetic brakes. Please refer to the note column of each specification/external dimension table for the standard equipment scope.)

・Mounting the air damper helps ensure shockless and low-noise operation.

 

※Brake coil connections

◎For circuits with 200 V-class input voltage: Parallel

◎For circuits with 400 V-class input voltage: Series

Specifications and external dimensions of BRS5 Type AC-operated DC electromagnetic brakes

Brake type  

Frame number

Rated braking torque (N・m)

 

Frame No. of motor Electromagnet type  

Control box (outline drawing)

 

Mass (kg)

Moment of inertia of drum (kg・㎡) Permissible braking workload (kJ/min) Permissible braking rotational speed  (min -1)

 

Main Body Drum 50Hz 60Hz
BRSS-1316 8132 66 49 132M MD13D BRD-SC (Figure5) 28 4.5 0.02 20 22 3600
 

BRS5-1620

 

8160

 

208

 

137

 

98

160M

160 L

MD15D BRD-SC (Figure 5)  

45

 

8

 

0.05

 

33

 

35

 

2900

BRSS-1825 8180 294 208 180 L MD17D BRD-SC (Figure 5) 66 15 0.15 57 60 2300
BRS5-2025 8200 392 294 200 L MD17D BRD-SC (Figure 5) 70 15 0.15 57 60 2300
BRS5-2231 8225 519 392 225M MD17D BRD-SC (Figure 5) 78 25 0.48 97 104 1800
BRS5-2535 8250 784 617 519 250M MD21D BRD-SC (Figure 5) 126 35 0.80 126 129 1600
BRS5-2840 8280 1290 980 280M MD24D BRD-SC (Figure 5) 180 50 1.50 143 153 1400
BRS5-3145 8315 2080 1760 1290 315M MD29D BRD-SC (Figure 5) 241 78 2.80 176 188 1300
BRS5-3550L-1 8355 3280 2600 355 L MD31D BRD-LC (Figure 6) 410 108 4.80 196 209 1150
BRS5-3550L-2 8355 3920 355 L MD31O BRD-LC (Figure 6) 410 108 4.80 196 209 1150
BRS5-4056L-1 8400 4660 3920 400 L MD35D BRD-LC (Figure 6) 630 145 9.90 224 239 1000
BRS5-4056L-2 8400 5490 400 L MD35D BRD-LC (Figure 6) 630 145 9.90 224 239 1000

Note 1: See Table 1 (P. 1 and 2) for major ratings

Note 2: The control box is to be separately installed and placed in the operation panel

Note 3: The control box BRD-SC (Fig. 5) cannot be used for both 200- and 400 V-class brakes. (Control boxes of voltages and frequencies other than those listed in Table 1 are special items.)

Note 4: The control box BRD-LC (Fig. 6) is exclusive for each voltage and frequency

Note 5: Brakes BRS5-3550L or larger come with an air damper, which is also optionally available for brakes BRS5-3145 or smaller. (Sub-symbol L is attached to the symbol of electromagnetic brakes with an air damper.)

                                                                                          Brake main body (mm)                                  Brake drum(mm)(Fig. 4) Outline drawing Brake Type
BA BB BB’ BC BG BH BK BL BE BF BM BN BJ BZ KD BD BW BY L1 L2 S W H
173 287 312 132 11 372 180 249 108 75 256 180 50 12 28 160 80 40 80 82 32 10 35.3 Figure 1 BRS5-1316
210 344 369 160 11 425 209 282 127 85 310 210 65 15 28 200 100 37 87 112 42 12 45.3 Figure 1 BRS5-1620
256 402 437 180 11 489 228 335 139.5 90 350 220 65 15 28 250 125 22 84.5 112 48 14 51.8 Figure 1 BRS5-1825
256 402 437 200 14 509 228 335 159 95 400 250 75 19 28 250 125 32 94.5 112 55 16 59.3 Figure 1 B RS5-2025
303 445 480 225 14 569 228 378 178 110 440 270 90 19 28 315 160 35 115 112 55 16 59.3 Figure 1 BRS5-2231
335 484 519 250 15 643 266 396 203 120 500 300 90 24 28 355 180 40 130 142 60 18 64.4 Figure 2 BRS5-2535
405 546 581 280 17 733 306 451 228.5 130 560 320 100 24 28 400 200 40 140 142 70 20 74.9 Figure 2 BRS5-2840
415 600 635 315 20 826 362 491 254 150 630 360 125 28 28 450 225 55 167.5 172 85 22 90.4 Figure 2 BRS5-3145
473 719 355 20 906 382 571 305 170 730 400 125 28 34 500 250 60 18 5 212 100 28 106.4 Figure 3 BRS5-355L0-1
473 719 355 20 906 382 571 305 170 730 400 125 28 34 500 250 60 185 212 100 28 106.4 Figure 3 BRS5-355L0-2
563 814 400 25 1020 419 635 343 180 820 440 140 35 34 560 280 65 205 212 110 28 116.4 Figure 3 BRS5-405L6-1
563 814 400 25 1020 419 635 343 180 820 440 140 35 34 560 280 65 205 212 110 28 116.4 Figure 3 BRS5-4056-L2

Note 6: BB’ is the dimension of the brake equipped with an air damper (option.)

Note 7: The brake drum (Fig. 4) is made of gray cast iron (FC250.)

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