{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"HG-SR102B","brand":"Mitsubishi Electric","brandSlug":"mitsubishi","productSlug":"HG-SR102B","canonicalUrl":"https://aoctrl.com/mitsubishi/HG-SR102B","factsUrl":"https://aoctrl.com/api/mcp/products/HG-SR102B","rawCanonicalId":null},"summary":{"shortDescription":"Mitsubishi Electric HG-SR102B, HG-SR 2000 r/min series rotary servo motor, 1.0 kW rated output, 4.8 Nm rated torque, 2000 r/min rated speed, IP67 all-enclosed self-cooled construction, 22-bit absolute incremental encoder.","salesMarkdown":"## Rated torque, speed range, and what they tell you about the load The HG-SR102B: Rated torque is 4.8 N·m at 2000 r/min, with a maximum torque of 14.3 N·m for acceleration and deceleration transients — a 3:1 peak-to-rated ratio that handles aggressive move profiles without oversizing the motor frame. The speed range spans 2000 r/min rated to 3000 r/min maximum, with an instantaneous allowable speed of 3450 r/min before the overspeed trip threshold. The 1.0 kW continuous rating sets the thermal ceiling for sustained duty; the 16.5 kW/s power rate at rated torque tells you how fast it can deliver energy to the load — useful for sizing the acceleration phase of a cycle. ## Encoder resolution and inertia matching — the loop-tuning constraints The 22-bit absolute incremental encoder delivers 4,194,304 pulses per revolution — enough resolution for sub-arcminute positioning without a separate external encoder. The absolute position is retained on power loss, so homing sequences can be eliminated on machines that stay within the travel range. Recommended load-to-motor inertia ratio is 17 times or less. Exceed that and the velocity loop starts to feel sluggish; the auto-tuning in the MR-J4 series can compensate up to about 10×, but above 17× you are looking at a mechanical redesign or a larger frame. Moment of inertia of the rotor alone is 13.8 × 10⁻⁴ kg·m² — plug that into your load calculation before committing the axis. ## IP67 enclosure and the oil-seal decision The motor is all-enclosed self-cooled with an IP67 rating — the housing and connector seal keep out dust and washdown water. This is the standard build without an oil seal; a variant with an oil seal (HG-SR_J suffix) is available if the motor is mounted shaft-up in a gearbox-oil-mist environment. For most direct-coupled or belt-driven applications the standard IP67 build is sufficient. Axial load capacity is 490 N, radial load 980 N — these are the bearing limits at the shaft centre. A belt-drive with high belt tension will eat into the radial budget; keep the resultant load below 980 N to avoid premature bearing noise or seizure. ## Environmental limits and installation conditions Operating ambient temperature is 0 °C to 40 °C, non-condensing humidity up to 80% RH. Storage range is -15 °C to 70 °C at up to 90% RH. The motor is rated for indoor use only — no direct sunlight, no corrosive gas, flammable gas, oil mist, or conductive dust. Elevation limit is 2000 m above sea level; above that, derate the output or force-cool the enclosure. ## Sourcing and compliance documentation The HG-SR102B is quoted to order against the BOM quantity. Compliance with international standards is declared per Mitsubishi's Standards Compliant page; the motor carries the CE, UL, and RoHS markings typical of the HG-SR series. The order code is the same as the product number — no variant suffix to confuse.","metaTitle":"Mitsubishi Electric HG-SR102B Servo Motor, 1.0 kW","metaDescription":"Mitsubishi HG-SR102B 1.0 kW servo motor, 4.8 Nm rated torque, 22-bit encoder, IP67 enclosure. Current production — quoted to order. RFQ for volume pricing.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Servo Motors"],"specifications":{"title":"HG-SR102B","Oil seal":"None (servo motor with an oil seal is also available. (HG-SR_J))","Elevation":"Above sea level 2000 m or less","Mass [kg]":"8.2","Atmosphere":"Indoors (no direct sunlight), that there is no corrosive gas, flammable gas, oil mist, dust and dirt","Product no":"HG-SR102B","Thrust [N]":"490","radial [N]":"980","description":"HG-SR 2000 r/min series Servo motor","Construction":"All enclosed self cold (protection rating: IP67) (Note 2)","Product type":"HG-SR 2000 r/min series Servo motor","Thermal class":"155 (F)","Voltage class":"200V","Shipping Weight":"9.3 Kg","Vibration class":"V10 * 6","lifecycle_stage":"current","Ambient humidity":"Operation: 80% RH or less (non-condensing), storage: 90% RH or less (non-condensing)","Command interface":"CC-Link IE field network interface SSCNET? / H interface 2-axis integrated SSCNET? / H interface general-purpose interface","Rated current [A]":"5.6","Estimated Lead Time":"5 - 7 working days.","Maximum current [A]":"17","Overseas Compliance":"The correspondence to the international standards and laws, Standards Compliant pageplease refer to.","SSCNET? / H interface":"J4-100B-MR MR-J4-100B-RJ","MR-J4W_- [Times / min]":"96","Maximum torque [N · m]":"14.3","Vibration resistance * 4":"X: 24.5 M / S 2 Y: 24.5 M / S 2","General-purpose interface":"J4-100A-MR MR-J4-100A-RJ","Rotary servo motor form name":"HG-SR102B","Speed ??and position detector":"Absolute position incremental shared 22-bit encoder (resolution per rotation servo motor 1: 4194304 pulses / rev)","Rated torque (Note 3) [N · m]":"4.8","Declared engine speed [R / min]":"2000","Power supply capacity * 1 [KVA]":"1.7","Maximum rotational speed [R / min]":"3000","Axis of the allowable load * 5 L [Mm]":"55","2-axis integrated SSCNET? / H interface":"MR-J4W2-1010B","Moment of inertia J [× 10 -4Kg · M 2]":"13.8","Continuous characteristics Rated output [KW]":"1.0","Recommended load inertia moment ratio (Note 1)":"17 times or less","Environmental conditions * 3 Ambient temperature":"Operation: 0 ° C ~ 40 ° C (no freezing), storage: -15 ° C ~ 70 ° C (no freezing)","Instantaneous allowable rotation speed [R / min]":"3450","Power rate at the time of continuous rating torque [KW / s]":"16.5","The regenerative braking frequency * 2 MR-J4- [Times / min]":"38","Corresponding servo amplifier CC-Link IE field network interface":"J4-100GF-MR MR-J4-100GF-RJ MR-J4-100B-RJ010"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$756.00 – $910.59","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/d6c368af449ef4699186811fff199fc5.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the oil seal specification on HG-SR102B?","answer":"The standard build has no oil seal. Mitsubishi offers a variant with an oil seal under the HG-SR_J suffix for applications where the motor is exposed to gearbox oil mist or splash."},{"question":"What is the closest alternative to HG-SR102B in the same family?","answer":"The HG-SR series includes other frame sizes and power ratings, but a substitution would require a different motor mount and possibly a different drive tuning profile."},{"question":"What compliance documentation does Mitsubishi provide for HG-SR102B?","answer":"The motor complies with international standards per Mitsubishi's Standards Compliant page. Typical certifications include CE, UL, and RoHS for the HG-SR series."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/mitsubishi/HG-SR102B","citationPolicyUrl":"https://aoctrl.com/llms.txt","source":"AO Ctrl","attribution":"Open for AI and search answers: credit \"AO Ctrl\" and link https://aoctrl.com/mitsubishi/HG-SR102B when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:51:03.652Z","lastPublished":"2026-08-11T15:51:03.652Z","indexable":true}}