{"product_id":"chihai-gm37-545abhl-dc-gear-motor-ab-hall-encoder","title":"CHIHAI GM37-545ABHL DC Gear Motor with AB Hall Encoder, 11 Ratios","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eThe \u003ca class=\"tophitek-context-link\" href=\"https:\/\/rcdrone.top\/collections\/chihai-motor\/\" style=\"font-weight:600;text-decoration:underline;text-decoration-thickness:1.5px;text-underline-offset:0.15em;\"\u003eCHIHAI MOTOR\u003c\/a\u003e CHR-GM37-545ABHL is a 37 mm \u003ca href=\"https:\/\/rcdrone.top\/collections\/dc-gear-motor\"\u003eDC gear motor\u003c\/a\u003e with an AB Hall encoder, metal gearing and a rear encoder cover. Choose the actual reduction ratio for your mechanism. The 12 V or 24 V winding must be confirmed before this draft can be made available for fulfillment.\u003c\/p\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEleven reduction ratios from 6.3:1 to 810:1.\u003c\/li\u003e\n\u003cli\u003e6 mm D-shaft, metal gearbox and internal motor cooling fan.\u003c\/li\u003e\n\u003cli\u003eSeparate motor supply and low-voltage AB feedback interface.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eCHIHAI MOTOR CHR-GM37-545ABHL \/ JGB37-545\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstruction\u003c\/td\u003e\n\u003ctd\u003eBrushed DC metal spur-gear reduction with AB quadrature magnetic Hall encoder and protective rear cover\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage selection\u003c\/td\u003e\n\u003ctd\u003e12 V or 24 V winding must be confirmed before fulfillment; ratio selector does not identify winding voltage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGearbox \/ motor\u003c\/td\u003e\n\u003ctd\u003e37 mm gearbox diameter; 32 mm motor reference diameter; internal cooling fan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShaft\u003c\/td\u003e\n\u003ctd\u003e6 mm D-shaft, 5.4 mm flat; 21 mm shaft reference, 12 mm flat and 6 mm tip reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody sections\u003c\/td\u003e\n\u003ctd\u003e50 mm motor section and 15 mm rear-cover reference; gearbox length depends on ratio\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eSix M3 x 3 tapped references on 31 mm circle; check drawing and screw penetration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMass\u003c\/td\u003e\n\u003ctd\u003eApproximately 290 g, varies with ratio; shipping weight includes packing separately\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEncoder\u003c\/td\u003e\n\u003ctd\u003eAB quadrature magnetic Hall; XH2.54 six-pin connector; 3.3 V or 5 V logic supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEncoder count\u003c\/td\u003e\n\u003ctd\u003eGreen board 17 PPR or black board 11 PPR base reference; identify actual board before scaling counts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput signal\u003c\/td\u003e\n\u003ctd\u003eSquare-wave A\/B channels with pull-up reference and approximately 100 kHz response reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInclusions\u003c\/td\u003e\n\u003ctd\u003eOne motor and pictured matching six-wire lead; mounting bracket, motor driver and power supply excluded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003e12 V and 24 V Performance References\u003c\/h2\u003e\u003cp\u003eThese are winding-specific reference tables, not selectable voltage SKUs. Figures vary with operating conditions. Torque is kgf·cm. The 35 kgf·cm entries are gearbox maximum permitted load\/test limits, not additional continuous torque ratings. Stall current is not continuous operating current.\u003c\/p\u003e\u003ch3\u003e12 V\u003c\/h3\u003e\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eRatio | no-load rpm | rated rpm | rated torque \/ limit\u003c\/td\u003e\n\u003ctd\u003e6.3 | 900 | 760 | .6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRatio | no-load rpm | rated rpm | rated torque \/ limit\u003c\/td\u003e\n\u003ctd\u003e10 | 570 | 480 | 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRatio | no-load rpm | rated rpm | rated torque \/ limit\u003c\/td\u003e\n\u003ctd\u003e18.8 | 300 | 250 | 1.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRatio | no-load rpm | rated rpm | rated torque \/ limit\u003c\/td\u003e\n\u003ctd\u003e30 | 190 | 160 | 3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRatio | no-load rpm | rated rpm | rated torque \/ limit\u003c\/td\u003e\n\u003ctd\u003e50 | 112 | 95 | 4.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRatio | no-load rpm | rated rpm | rated torque \/ limit\u003c\/td\u003e\n\u003ctd\u003e90 | 62 | 52 | 8.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRatio | no-load rpm | rated rpm | rated torque \/ limit\u003c\/td\u003e\n\u003ctd\u003e150 | 38 | 32 | 14.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRatio | no-load rpm | rated rpm | rated torque \/ limit\u003c\/td\u003e\n\u003ctd\u003e270 | 21 | 15 | 35 max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRatio | no-load rpm | rated rpm | rated torque \/ limit\u003c\/td\u003e\n\u003ctd\u003e450 | 12 | 10 | 35 max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRatio | no-load rpm | rated rpm | rated torque \/ limit\u003c\/td\u003e\n\u003ctd\u003e650 | 8.8 | 7 | 35 max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRatio | no-load rpm | rated rpm | rated torque \/ limit\u003c\/td\u003e\n\u003ctd\u003e810 | 7 | 6 | 35 max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\u003ch3\u003e24 V\u003c\/h3\u003e\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eRatio | no-load rpm | rated rpm | rated torque \/ limit\u003c\/td\u003e\n\u003ctd\u003e6.3 | 1800 | 1500 | 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRatio | no-load rpm | rated rpm | rated torque \/ limit\u003c\/td\u003e\n\u003ctd\u003e10 | 1150 | 950 | 1.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRatio | no-load rpm | rated rpm | rated torque \/ limit\u003c\/td\u003e\n\u003ctd\u003e18.8 | 610 | 510 | 3.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRatio | no-load rpm | rated rpm | rated torque \/ limit\u003c\/td\u003e\n\u003ctd\u003e30 | 380 | 325 | 5.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRatio | no-load rpm | rated rpm | rated torque \/ limit\u003c\/td\u003e\n\u003ctd\u003e50 | 225 | 195 | 9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRatio | no-load rpm | rated rpm | rated torque \/ limit\u003c\/td\u003e\n\u003ctd\u003e90 | 125 | 105 | 16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRatio | no-load rpm | rated rpm | rated torque \/ limit\u003c\/td\u003e\n\u003ctd\u003e150 | 75 | 65 | 35 max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRatio | no-load rpm | rated rpm | rated torque \/ limit\u003c\/td\u003e\n\u003ctd\u003e270 | 42 | 38 | 35 max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRatio | no-load rpm | rated rpm | rated torque \/ limit\u003c\/td\u003e\n\u003ctd\u003e450 | 25 | 23 | 35 max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRatio | no-load rpm | rated rpm | rated torque \/ limit\u003c\/td\u003e\n\u003ctd\u003e650 | 17 | 15 | 35 max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRatio | no-load rpm | rated rpm | rated torque \/ limit\u003c\/td\u003e\n\u003ctd\u003e810 | 14 | 13 | 35 max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\u003cp\u003e12 V reference: no-load current ≤300 mA, rated current ≤1.5 A, stall current ≤8 A, 19 W table heading. 24 V reference: no-load current ≤400 mA, rated current ≤2.3 A, stall current ≤15 A, 80 W table heading. Size the motor driver and supply for actual startup\/stall demand; the high-current reference calls for a supply rated above 10 A where applicable. Do not connect motor voltage to encoder pins.\u003c\/p\u003e\u003ch2\u003eEncoder Wiring and Counts\u003c\/h2\u003e\u003cp\u003eThe connector exposes motor M1\/M2, encoder VCC\/GND and A\/B signals. Supply the encoder with 3.3 V or 5 V only. Confirm pin order on the actual connector before wiring. Green encoder PCB: 17 base pulses per motor revolution; black PCB: 11 base pulses. Output pulses depend on actual gearbox ratio and counting method. Do not confuse pulses with quadrature edge counts.\u003c\/p\u003e\u003ch2\u003eDimensions and Installation\u003c\/h2\u003e\u003cp\u003eThe gearbox length is approximately 19–29 mm across the series. Confirm the selected ratio assembly length because the grouped drawing and individual performance length rows differ. Support the load and avoid excessive radial\/axial forces, blocked output and prolonged stall. Disconnect power before reversing direction or servicing. A geared encoder motor requires an external motor driver and controller for closed-loop motion.\u003c\/p\u003e\u003ch2\u003ePackage Contents\u003c\/h2\u003e\u003cp\u003eOne selected-ratio motor with matching lead as pictured. Bracket, power supply and motor controller are not included. Confirm the required winding voltage before fulfillment.\u003c\/p\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cp\u003eRobotics, balancing platforms, camera mechanisms and automation prototypes needing geared rotation with pulse feedback.\u003c\/p\u003e\u003ch2\u003eFAQ\u003c\/h2\u003e\u003ch3\u003eDoes the ratio identify 12 V or 24 V?\u003c\/h3\u003e\u003cp\u003eNo. Confirm the required winding separately before fulfillment; the reference tables describe both families.\u003c\/p\u003e\u003ch3\u003eIs every encoder 17 PPR?\u003c\/h3\u003e\u003cp\u003eNo. Inspect the green or black encoder PCB and verify the actual count before configuring feedback scaling.\u003c\/p\u003e\u003ch2\u003eVisual Details\u003c\/h2\u003e\u003cfigure\u003e\u003ca href=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/local68-130-dimensions.webp?v=1792806435\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg alt=\"GM37-545ABHL mechanical reference\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/local68-130-dimensions.webp?v=1792806435\" style=\"max-width:100%;height:auto\"\u003e\u003c\/a\u003e\u003cfigcaption\u003eGM37-545ABHL mechanical reference\u003c\/figcaption\u003e\u003c\/figure\u003e\u003cfigure\u003e\u003ca href=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/local68-130-encoder.webp?v=1792806439\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg alt=\"AB encoder interface\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/local68-130-encoder.webp?v=1792806439\" style=\"max-width:100%;height:auto\"\u003e\u003c\/a\u003e\u003cfigcaption\u003eAB encoder interface\u003c\/figcaption\u003e\u003c\/figure\u003e\u003cfigure\u003e\u003ca href=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/local68-130-performance-12.webp?v=1792806443\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg alt=\"12 V performance reference\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/local68-130-performance-12.webp?v=1792806443\" style=\"max-width:100%;height:auto\"\u003e\u003c\/a\u003e\u003cfigcaption\u003e12 V performance reference\u003c\/figcaption\u003e\u003c\/figure\u003e\u003cfigure\u003e\u003ca href=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/local68-130-performance-24.webp?v=1792806448\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg alt=\"24 V performance reference\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/local68-130-performance-24.webp?v=1792806448\" style=\"max-width:100%;height:auto\"\u003e\u003c\/a\u003e\u003cfigcaption\u003e24 V performance reference\u003c\/figcaption\u003e\u003c\/figure\u003e\u003cfigure\u003e\u003ca href=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/local68-130-selection.webp?v=1792806451\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg alt=\"Selection and installation\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/local68-130-selection.webp?v=1792806451\" style=\"max-width:100%;height:auto\"\u003e\u003c\/a\u003e\u003cfigcaption\u003eSelection and installation\u003c\/figcaption\u003e\u003c\/figure\u003e","brand":"CHIHAI MOTOR","offers":[{"title":"6.3:1","offer_id":68123396243680,"sku":"CHIHAI-GM37545-68130-01","price":36.85,"currency_code":"USD","in_stock":true},{"title":"10:1","offer_id":68123396276448,"sku":"CHIHAI-GM37545-68130-02","price":36.85,"currency_code":"USD","in_stock":true},{"title":"18.8:1","offer_id":68123396309216,"sku":"CHIHAI-GM37545-68130-03","price":36.85,"currency_code":"USD","in_stock":true},{"title":"50:1","offer_id":68123396341984,"sku":"CHIHAI-GM37545-68130-04","price":36.85,"currency_code":"USD","in_stock":true},{"title":"90:1","offer_id":68123396374752,"sku":"CHIHAI-GM37545-68130-05","price":36.85,"currency_code":"USD","in_stock":true},{"title":"150:1","offer_id":68123396407520,"sku":"CHIHAI-GM37545-68130-06","price":36.85,"currency_code":"USD","in_stock":true},{"title":"270:1","offer_id":68123396440288,"sku":"CHIHAI-GM37545-68130-07","price":36.85,"currency_code":"USD","in_stock":true},{"title":"450:1","offer_id":68123396473056,"sku":"CHIHAI-GM37545-68130-08","price":36.85,"currency_code":"USD","in_stock":true},{"title":"650:1","offer_id":68123396505824,"sku":"CHIHAI-GM37545-68130-09","price":36.85,"currency_code":"USD","in_stock":true},{"title":"810:1","offer_id":68123396538592,"sku":"CHIHAI-GM37545-68130-10","price":36.85,"currency_code":"USD","in_stock":true},{"title":"30:1","offer_id":68123396571360,"sku":"CHIHAI-GM37545-68130-12","price":36.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0643\/3210\/3904\/files\/local68-130-g5.jpg?v=1792806456","url":"https:\/\/rcdrone.top\/products\/chihai-gm37-545abhl-dc-gear-motor-ab-hall-encoder","provider":"RCDrone","version":"1.0","type":"link"}