Spring Applied Brake—holding model
Among non-energized brakes—which are used to hold mechanical equipment in position when de-energized or as safety mechanisms during power outages—this type is specifically designed to maintain the machine’s stopped state, ensuring that the equipment remains stationary.The holding force is provided by a spring; when current is applied to the coil, an electromagnetic force is generated, overcoming the internal spring force and allowing the rotor to move freely.
| BXW [H] Model | BXW [R] Model | BXW [S] Model | BXR [LE] Model | BXR Model | BXH Model | |
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![三木プーリの無励磁作動形ブレーキ BXW[H]タイプ 製品画像（無励磁作動 保持用・高保持力・安全保持用電磁ブレーキ）](/media/cb_of_hld_xwh_0s.jpg)
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![三木プーリの無励磁作動形ブレーキ BXW[R]タイプ 製品画像（無励磁作動 保持用・復帰機構対応・産業用電磁ブレーキ）](/media/cb_of_hld_xwr_0m.jpg)
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![三木プーリの無励磁作動形ブレーキ BXW[S]タイプ 製品画像（無励磁作動 保持用・スプリング構造・安全保持ブレーキ）](/media/cb_of_hld_xws_0s.jpg)
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![三木プーリの無励磁作動形ブレーキ BXR[LE]タイプ 製品画像（無励磁作動 保持用・低発塵仕様・電磁ブレーキ）](/media/cb_of_hld_0le_0s.jpg)
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| Specifications | This is a compact lineup of non-energized holding brakes known as "micro-size" models. | This lineup features non-energized holding brakes designed to fit the mounting angles of small motors. | This is a compact lineup known as "micro-size" within the category of non-energized holding brakes. | Among non-energized holding brakes, this type is capable of energy-efficient operation due to its operating characteristics. | Among non-powered holding brakes, this model is designed to be two-thirds as thin as conventional models (compared to our previous models). | This is our standard-size lineup of non-energized holding brakes. |
| Braking torque | 0.24 N·m to 4.0 N·m | 0.3 N·m to 2.5 N·m | 0.36 N·m to 5.2 N·m | 0.06 N·m to 3.20 N·m | 5 N·m to 55 N·m | 4 N·m to 44 N·m |
| Brake outer diameter | 37 mm to 75 mm | 37 mm to 75 mm | 37 mm to 75 mm | 26 mm to 71 mm | 83.5 mm to 185 mm | 83 mm to 158 mm |
| Ambient temperature during use | -10°C to 40°C | -10°C to 40°C | -10°C to 40°C | Brake unit: -10°C to 40°C; Dedicated controller unit: -20°C to 60°C | -10°C to 40°C | -10°C to 40°C |
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CAD
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User Manual
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