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Japan, Satuma Denki
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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