{ "id": "te-magtrol-hb-750m-2", "name": "Magtrol HB-750M-2 Hysteresis Brake (5 N·m)", "subcategory": "dyno-loads", "brand": "Magtrol", "mpn": "HB-750M-2", "summary": "Metric Magtrol hysteresis brake giving speed-independent, frictionless braking torque up to 5 N·m; the Western benchmark load for a DIY joint dyno where torque must be set by coil current alone.", "maker": { "name": "Magtrol, Inc.", "country": "US", "role": "brand" }, "made_in": "unknown", "specs": { "rated_torque_nm": { "label": "Rated torque", "value": "5 N·m minimum torque at rated current", "num": 5, "unit": "N·m" }, "load_type": { "label": "Load type", "value": "Hysteresis brake" }, "max_speed_rpm": { "label": "Max speed", "value": "7,000 rpm", "num": 7000, "unit": "rpm" }, "power_w": { "label": "Heat dissipation", "value": "200 W continuous kinetic power (1,000 W for 5 min); ratings may vary ±50% with mounting/ventilation", "num": 200, "unit": "W" }, "control": { "label": "Control", "value": "24 VDC standard coil, 383 mA rated current (90 V and 12 V coils available)" } }, "price": [], "moq": "unknown", "lead_time": "unknown", "hts": "8505.20.0000", "compliance": { "ndaa": "unknown", "blue_uas": "unknown", "fcc": "n/a", "notes": "Quote-only; no public price. Magtrol markets these brakes for tensioning and for load simulation / dynamometers. Torque rating is the minimum torque at rated current." }, "links": { "product": "https://www.magtrol.com/product/hysteresis-brakes/", "datasheet": "https://www.magtrol.com/wp-content/uploads/hb-750m.pdf", "cad": "https://www.magtrol.com/product/hysteresis-brakes/" }, "equivalents": [ "te-daysensor-ahb-5" ], "pairs_with": [ "te-ato-tc-001", "te-magtrol-hd-715-5c" ], "maglev": { "custom": "", "directory_ref": null }, "sources": [ { "url": "https://www.magtrol.com/product/hysteresis-brakes/", "what": "metric spec table: torque, rated current, max speed, 5-min and continuous kinetic power, coil voltage options" }, { "url": "https://www.magtrol.com/wp-content/uploads/hb-750m-2_chb-5curve.pdf", "what": "torque vs current curve link (from product page)" } ], "confidence": "VERIFIED", "stock": { "status": "unknown", "source": "https://www.magtrol.com/product/hysteresis-brakes/", "as_of": "2026-10-30" }, "category": "test-equipment", "subcategory_title": "Dynamometer Loads & Brakes", "icon": "dyno", "image": { "url": "https://parts.trymaglev.com/img/te-magtrol-hb-750m-2.webp", "thumb": "https://parts.trymaglev.com/img/t/te-magtrol-hb-750m-2.webp", "source_image": "https://www.magtrol.com/wp-content/uploads/brake-and-clutch-no-bkgd.png", "source_page": "https://www.magtrol.com/product/hysteresis-brakes/", "background": "removed (Apple Vision)", "as_of": "2026-10-31", "note": "series photo (hysteresis brake + clutch), 360 px wide" }, "origin": { "code": "US", "basis": "hq" }, "hts_resolved": { "code": "8505.20.0000", "typical": false, "confidence": "part" }, "us_duty_by_origin": { "as_of": "2026-10-29", "rates": [ { "origin": "CN", "duty_pct": 40.6, "possible_pct": 0, "usmca": false }, { "origin": "TW", "duty_pct": 10, "possible_pct": 0, "usmca": false }, { "origin": "VN", "duty_pct": 15.6, "possible_pct": 0, "usmca": false }, { "origin": "IN", "duty_pct": 13.1, "possible_pct": 0, "usmca": false }, { "origin": "JP", "duty_pct": 12.5, "possible_pct": 0, "usmca": false }, { "origin": "KR", "duty_pct": 12.5, "possible_pct": 0, "usmca": false }, { "origin": "DE", "duty_pct": 10, "possible_pct": 0, "usmca": false }, { "origin": "MX", "duty_pct": 13.1, "possible_pct": 0, "usmca": true }, { "origin": "US", "duty_pct": 0, "possible_pct": 0, "usmca": false } ] }, "url": "https://parts.trymaglev.com/p/te-magtrol-hb-750m-2/", "markdown": "https://parts.trymaglev.com/p/te-magtrol-hb-750m-2/index.md", "equivalents_detail": [ { "id": "te-daysensor-ahb-5", "name": "Daysensor / DST AHB-5 Air-Cooled Hysteresis Brake (5 N·m)", "brand": "Daysensor", "mpn": "AHB-5", "category": "test-equipment", "subcategory": "dyno-loads", "summary": "Chinese air-cooled hysteresis brake rated 5 N·m, a low-cost alternative to Magtrol's AHB/HB brakes for a small joint or motor dyno; sold by DST (Shenzhen) Sensor under the Daysensor brand.", "origin": "CN", "origin_basis": "made", "price_usd": null, "price_qty": null, "ndaa": "unknown", "blue_uas": "unknown", "image": "https://parts.trymaglev.com/img/te-daysensor-ahb-5.webp", "url": "https://parts.trymaglev.com/p/te-daysensor-ahb-5/", "json": "https://parts.trymaglev.com/api/parts/te-daysensor-ahb-5.json" } ], "pairs_with_detail": [ { "id": "te-ato-tc-001", "name": "ATO-TC-001 Manual Current Controller for Powder/Hysteresis Brakes (0-4 A)", "brand": "ATO", "mpn": "ATO-TC-001", "category": "test-equipment", "subcategory": "dyno-loads", "summary": "Compact manual constant-current controller (24 VDC, 0-4.0 A in 0.01 A steps) that sets the coil current, and so the torque, of a powder or hysteresis brake load.", "origin": "CN", "origin_basis": "hq", "price_usd": 101.98, "price_qty": 1, "ndaa": "unknown", "blue_uas": "unknown", "image": "https://parts.trymaglev.com/img/te-ato-tc-001.webp", "url": "https://parts.trymaglev.com/p/te-ato-tc-001/", "json": "https://parts.trymaglev.com/api/parts/te-ato-tc-001.json" }, { "id": "te-magtrol-hd-715-5c", "name": "Magtrol HD-715-5C Hysteresis Dynamometer (6.2 N·m)", "brand": "Magtrol", "mpn": "HD-715-5C", "category": "test-equipment", "subcategory": "test-benches", "summary": "Magtrol HD-series hysteresis dynamometer (brake plus torque measurement on a base plate) rated 6.2 N·m; the reference bench for motor torque-speed testing from free-run to locked rotor.", "origin": "US", "origin_basis": "hq", "price_usd": null, "price_qty": null, "ndaa": "unknown", "blue_uas": "unknown", "image": "https://parts.trymaglev.com/img/te-magtrol-hd-715-5c.webp", "url": "https://parts.trymaglev.com/p/te-magtrol-hd-715-5c/", "json": "https://parts.trymaglev.com/api/parts/te-magtrol-hd-715-5c.json" } ] }