{ "id": "ac-myactuator-rh-20-100-e-n-d", "name": "MyActuator RH-20-100 Hollow Harmonic Actuator (no brake)", "subcategory": "joint-actuators", "brand": "MyActuator", "mpn": "RH-20-100-E-N-D", "summary": "Mid-size hollow-shaft harmonic actuator, 100:1, dual encoder, for cobot joints and humanoid shoulders; a Chinese alternative to Harmonic Drive SHA20.", "maker": { "name": "MyActuator (Suzhou Micro Actuator Technology)", "country": "CN", "role": "brand" }, "made_in": "unknown", "specs": { "peak_torque_nm": { "label": "Peak torque", "value": "80 N·m", "num": 80, "unit": "N·m" }, "rated_torque_nm": { "label": "Rated torque", "value": "50 N·m", "num": 50, "unit": "N·m" }, "ratio": { "label": "Gear ratio", "value": "100:1 harmonic", "num": 100 }, "voltage_v": { "label": "Voltage", "value": "48 V", "num": 48, "unit": "V" }, "mass_g": { "label": "Mass", "value": "1450 g", "num": 1450, "unit": "g" }, "interface": { "label": "Interface", "value": "CAN bus / EtherCAT", "num": null } }, "price": [ { "qty": 1, "usd": 1343, "kind": "list", "source": "https://myactuator.us/products/rh-series/rh-20-100-e-n-d", "as_of": "2026-10-30" } ], "moq": "unknown", "lead_time": "unknown", "hts": "unknown", "compliance": { "ndaa": "unknown", "blue_uas": "unknown", "fcc": "n/a", "notes": "Page states \"In Stock - Ships in 2-3 Days\" (US store); max 50 units per order online." }, "links": { "product": "https://myactuator.us/products/rh-series/rh-20-100-e-n-d", "datasheet": "https://cdn.sanity.io/files/7rgy42zg/production/07ed42116ef4aaa24a5876495eeac45819d3bcfe.pdf", "cad": "https://cdn.sanity.io/files/7rgy42zg/production/cb4676495318d2ea297754dc87b1a0add804ed63.step" }, "equivalents": [ "ac-harmonicdrive-sha20a-100", "ac-zeroerr-erob70f-100", "ac-encos-ec-a6013-h20-100" ], "pairs_with": [], "maglev": { "custom": "", "directory_ref": null }, "sources": [ { "url": "https://myactuator.us/products/rh-series/rh-20-100-e-n-d", "what": "specs + price + stock" } ], "confidence": "VERIFIED", "stock": { "status": "in_stock", "source": "https://myactuator.us/products/rh-series/rh-20-100-e-n-d", "as_of": "2026-10-30" }, "category": "actuators", "subcategory_title": "Integrated Joint Actuators", "icon": "gear", "image": { "url": "https://parts.trymaglev.com/img/ac-myactuator-rh-20-100-e-n-d.webp", "thumb": "https://parts.trymaglev.com/img/t/ac-myactuator-rh-20-100-e-n-d.webp", "source_image": "https://cdn.sanity.io/images/7rgy42zg/production/b92b498de3ff3d008e4ec8c2edd681821434a76d-1125x900.webp", "source_page": "https://myactuator.us/products/rh-series/rh-20-100-e-n-d", "background": "removed (Apple Vision)", "as_of": "2026-10-30" }, "origin": { "code": "CN", "basis": "hq" }, "hts_resolved": { "code": "8501.31.40.00", "typical": true, "key": "integrated-joint-actuators", "basis": "subcategory", "confidence": "low", "note": "No modern ruling found for a motor+reducer+driver+encoder robot joint. Treat as unresolved." }, "us_duty_by_origin": { "as_of": "2026-10-29", "rates": [ { "origin": "CN", "duty_pct": 41.5, "possible_pct": 0, "usmca": false }, { "origin": "TW", "duty_pct": 10, "possible_pct": 0, "usmca": false }, { "origin": "VN", "duty_pct": 16.5, "possible_pct": 0, "usmca": false }, { "origin": "IN", "duty_pct": 14, "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": 14, "possible_pct": 0, "usmca": true }, { "origin": "US", "duty_pct": 0, "possible_pct": 0, "usmca": false } ] }, "url": "https://parts.trymaglev.com/p/ac-myactuator-rh-20-100-e-n-d/", "markdown": "https://parts.trymaglev.com/p/ac-myactuator-rh-20-100-e-n-d/index.md", "equivalents_detail": [ { "id": "ac-harmonicdrive-sha20a-100", "name": "Harmonic Drive SHA20A Hollow-Shaft Rotary Actuator (CG, 1:100)", "brand": "Harmonic Drive", "mpn": "SHA20A (CG type, ratio 100)", "category": "actuators", "subcategory": "joint-actuators", "summary": "Western benchmark hollow-shaft servo actuator (CSG strain-wave gear + motor + absolute encoder) for precision arms; AC servo paired with the HA-800 drive.", "origin": "JP", "origin_basis": "hq", "price_usd": null, "price_qty": null, "ndaa": "unknown", "blue_uas": "unknown", "image": "https://parts.trymaglev.com/img/ac-harmonicdrive-sha20a-100.webp", "url": "https://parts.trymaglev.com/p/ac-harmonicdrive-sha20a-100/", "json": "https://parts.trymaglev.com/api/parts/ac-harmonicdrive-sha20a-100.json" }, { "id": "ac-zeroerr-erob70f-100", "name": "ZeroErr eRob70F Harmonic Rotary Actuator (100:1)", "brand": "ZeroErr", "mpn": "eRob70F (14-100 configuration; full order code to confirm)", "category": "actuators", "subcategory": "joint-actuators", "summary": "Integrated harmonic-drive joint (frameless motor, strain-wave gear, absolute encoders, EtherCAT/CANopen drive) for cobot-style arms needing near-zero backlash rather than backdrivability.", "origin": "CN", "origin_basis": "hq", "price_usd": null, "price_qty": null, "ndaa": "unknown", "blue_uas": "unknown", "image": "https://parts.trymaglev.com/img/ac-zeroerr-erob70f-100.webp", "url": "https://parts.trymaglev.com/p/ac-zeroerr-erob70f-100/", "json": "https://parts.trymaglev.com/api/parts/ac-zeroerr-erob70f-100.json" }, { "id": "ac-encos-ec-a6013-h20-100", "name": "ENCOS EC-A6013-H20-100 Harmonic Joint", "brand": "ENCOS", "mpn": "EC-A6013-H20-100", "category": "actuators", "subcategory": "joint-actuators", "summary": "Integrated harmonic joint, 100:1, with 11 mm through-hole and dual encoder (906 g) for precise humanoid-arm and cobot joints.", "origin": "CN", "origin_basis": "hq", "price_usd": 1750, "price_qty": 1, "ndaa": "unknown", "blue_uas": "unknown", "image": "https://parts.trymaglev.com/img/ac-encos-ec-a6013-h20-100.webp", "url": "https://parts.trymaglev.com/p/ac-encos-ec-a6013-h20-100/", "json": "https://parts.trymaglev.com/api/parts/ac-encos-ec-a6013-h20-100.json" } ], "pairs_with_detail": [] }