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field · keyvaluesource sentencesourceEvidenceRetrieved · Changed
Reduction ratioreduction_ratio
value
51 / 81 / 101 / 121 / 161
source sentenceGear Ratio 51 / 81 / 101 / 121 / 161
sourcehttps://aifitlab.com/products/hobber-hat-hatf-20-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Peak torquepeak_torque
valuemeasured at Reduction ratio 51 / 81 / 101 / 121 / 161
69 N.m (51) / 91 N.m (81) / 102 N.m (101) / 108 N.m (121) / 113 N.m (161)
source sentencePeak Torque (AC) 69 N.m (51) / 91 N.m (81) / 102 N.m (101) / 108 N.m (121) / 113 N.m (161)
sourcehttps://aifitlab.com/products/hobber-hat-hatf-20-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Rated torquerated_torque
valuemeasured at Reduction ratio 51 / 81 / 101 / 121 / 161
30 N.m (51) / 48 N.m (81) / 58 N.m (101) / 61 N.m (121) / 61 N.m (161)
source sentenceRated Torque (AC) 30 N.m (51) / 48 N.m (81) / 58 N.m (101) / 61 N.m (121) / 61 N.m (161)
sourcehttps://aifitlab.com/products/hobber-hat-hatf-20-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Max speedmax_speed
valuemeasured at Reduction ratio 51 / 81 / 101 / 121 / 161
118 rpm (51) / 74 rpm (81) / 59 rpm (101) / 50 rpm (121) / 37 rpm (161)
source sentenceMaximum Speed (AC) 118 rpm (51) / 74 rpm (81) / 59 rpm (101) / 50 rpm (121) / 37 rpm (161)
sourcehttps://aifitlab.com/products/hobber-hat-hatf-20-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Rated speedrated_speed
valuemeasured at Reduction ratio 51 / 81 / 101 / 121 / 161
59 rpm (51) / 37 rpm (81) / 30 rpm (101) / 25 rpm (121) / 19 rpm (161)
source sentenceRated Speed (AC) 59 rpm (51) / 37 rpm (81) / 30 rpm (101) / 25 rpm (121) / 19 rpm (161)
sourcehttps://aifitlab.com/products/hobber-hat-hatf-20-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Peak currentpeak_current
valuemeasured at Reduction ratio 51 / 81 / 101 / 121 / 161
6.04 Amms (51) / 5.02 Amms (81) / 4.51 Amms (101) / 3.98 Amms (121) / 3.13 Amms (161)
source sentenceMaximum Current (AC) 6.04 Amms (51) / 5.02 Amms (81) / 4.51 Amms (101) / 3.98 Amms (121) / 3.13 Amms (161)
sourcehttps://aifitlab.com/products/hobber-hat-hatf-20-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Rated currentrated_current
valuemeasured at Reduction ratio 51 / 81 / 101 / 121 / 161
2.63 Amms (51) / 2.65 Amms (81) / 2.56 Amms (101) / 2.25 Amms (121) / 1.69 Amms (161)
source sentenceRated Current (AC) 2.63 Amms (51) / 2.65 Amms (81) / 2.56 Amms (101) / 2.25 Amms (121) / 1.69 Amms (161)
sourcehttps://aifitlab.com/products/hobber-hat-hatf-20-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Torque constanttorque_constant
valuemeasured at Reduction ratio 51 / 81 / 101 / 121 / 161
11.42 N.m/Amms (51) / 18.14 N.m/Amms (81) / 22.62 N.m/Amms (101) / 27.10 N.m/Amms (121) / 36.06 N.m/Amms (161)
source sentenceTorque Constant (AC) 11.42 N.m/Amms (51) / 18.14 N.m/Amms (81) / 22.62 N.m/Amms (101) / 27.10 N.m/Amms (121) / 36.06 N.m/Amms (161)
sourcehttps://aifitlab.com/products/hobber-hat-hatf-20-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Rated torquerated_torque
valuemeasured at Reduction ratio 51 / 81 / 101 / 121 / 161
39 N.m (51) / 58 N.m (81) / 61 N.m (101) / 61 N.m (121) / 61 N.m (161)
source sentenceRated Torque (DC) 39 N.m (51) / 58 N.m (81) / 61 N.m (101) / 61 N.m (121) / 61 N.m (161)
sourcehttps://aifitlab.com/products/hobber-hat-hatf-20-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Max speedmax_speed
valuemeasured at Reduction ratio 51 / 81 / 101 / 121 / 161
86 rpm (51) / 54 rpm (81) / 44 rpm (101) / 36 rpm (121) / 27 rpm (161)
source sentenceMaximum Speed (DC) 86 rpm (51) / 54 rpm (81) / 44 rpm (101) / 36 rpm (121) / 27 rpm (161)
sourcehttps://aifitlab.com/products/hobber-hat-hatf-20-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Rated speedrated_speed
valuemeasured at Reduction ratio 51 / 81 / 101 / 121 / 161
51 rpm (51) / 32 rpm (81) / 26 rpm (101) / 21 rpm (121) / 16 rpm (161)
source sentenceRated Speed (DC) 51 rpm (51) / 32 rpm (81) / 26 rpm (101) / 21 rpm (121) / 16 rpm (161)
sourcehttps://aifitlab.com/products/hobber-hat-hatf-20-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Peak currentpeak_current
valuemeasured at Reduction ratio 51 / 81 / 101 / 121 / 161
15.37 Amms (51) / 12.77 Amms (81) / 11.48 Amms (101) / 10.14 Amms (121) / 7.98 Amms (161)
source sentenceMaximum Current (DC) 15.37 Amms (51) / 12.77 Amms (81) / 11.48 Amms (101) / 10.14 Amms (121) / 7.98 Amms (161)
sourcehttps://aifitlab.com/products/hobber-hat-hatf-20-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Rated currentrated_current
valuemeasured at Reduction ratio 51 / 81 / 101 / 121 / 161
8.69 Amms (51) / 8.14 Amms (81) / 6.86 Amms (101) / 5.73 Amms (121) / 4.31 Amms (161)
source sentenceRated Current (DC) 8.69 Amms (51) / 8.14 Amms (81) / 6.86 Amms (101) / 5.73 Amms (121) / 4.31 Amms (161)
sourcehttps://aifitlab.com/products/hobber-hat-hatf-20-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Torque constanttorque_constant
valuemeasured at Reduction ratio 51 / 81 / 101 / 121 / 161
4.49 N.m/Amms (51) / 7.13 N.m/Amms (81) / 8.89 N.m/Amms (101) / 10.65 N.m/Amms (121) / 14.17 N.m/Amms (161)
source sentenceTorque Constant (DC) 4.49 N.m/Amms (51) / 7.13 N.m/Amms (81) / 8.89 N.m/Amms (101) / 10.65 N.m/Amms (121) / 14.17 N.m/Amms (161)
sourcehttps://aifitlab.com/products/hobber-hat-hatf-20-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Encoder typeencoder_type
valuemeasured at Reduction ratio 51 / 81 / 101 / 121 / 161
Absolute Encoder
source sentenceEncoder Type Absolute Encoder
sourcehttps://aifitlab.com/products/hobber-hat-hatf-20-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Encoder resolutionencoder_resolution
valuemeasured at Reduction ratio 51 / 81 / 101 / 121 / 161
2^23 (8,388,608) or 2^17 (131,072) bit
source sentenceEncoder Resolution (Per Revolution) 2^23 (8,388,608) or 2^17 (131,072) bit
sourcehttps://aifitlab.com/products/hobber-hat-hatf-20-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Torsional stiffnesstorsional_stiffness
valuemeasured at Reduction ratio 51 / 81 / 101 / 121 / 161
1.8 × 10^4 N.m/rad (51/81) / 2.3 × 10^4 N.m/rad (101/121/161)
source sentenceTorsional Stiffness 1.8 × 10^4 N.m/rad (51/81) / 2.3 × 10^4 N.m/rad (101/121/161)
sourcehttps://aifitlab.com/products/hobber-hat-hatf-20-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Weightweight
valuemeasured at With or without brake without brake · Reduction ratio 51 / 81 / 101 / 121 / 161
as printed 2.4 Kg2.4 kg
source sentenceMass (Without Brake) 2.4 Kg
sourcehttps://aifitlab.com/products/hobber-hat-hatf-20-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Weightweight
valuemeasured at With or without brake with brake · Reduction ratio 51 / 81 / 101 / 121 / 161
as printed 2.96 Kg2.96 kg
source sentenceMass (With Brake) 2.96 Kg
sourcehttps://aifitlab.com/products/hobber-hat-hatf-20-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Insulation classinsulation_class
valuemeasured at Reduction ratio 51 / 81 / 101 / 121 / 161
Class F
source sentenceInsulation Class Class F
sourcehttps://aifitlab.com/products/hobber-hat-hatf-20-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
IP ratingip_rating
valuemeasured at Reduction ratio 51 / 81 / 101 / 121 / 161
Fully enclosed cooling type (IP65)
source sentenceProtection Rating Fully enclosed cooling type (IP65)
sourcehttps://aifitlab.com/products/hobber-hat-hatf-20-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Reduction ratioreduction_ratio
value
51 / 81 / 101 / 121 / 161
source sentenceGear Ratio 51 / 81 / 101 / 121 / 161
sourcehttps://robotopian.com/products/hobber-hat-hatf-20-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
Peak torquepeak_torque
valuemeasured at Reduction ratio 51 / 81 / 101 / 121 / 161
69 N.m (51) / 91 N.m (81) / 102 N.m (101) / 108 N.m (121) / 113 N.m (161)
source sentencePeak Torque (AC) 69 N.m (51) / 91 N.m (81) / 102 N.m (101) / 108 N.m (121) / 113 N.m (161)
sourcehttps://robotopian.com/products/hobber-hat-hatf-20-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
Rated torquerated_torque
valuemeasured at Reduction ratio 51 / 81 / 101 / 121 / 161
30 N.m (51) / 48 N.m (81) / 58 N.m (101) / 61 N.m (121) / 61 N.m (161)
source sentenceRated Torque (AC) 30 N.m (51) / 48 N.m (81) / 58 N.m (101) / 61 N.m (121) / 61 N.m (161)
sourcehttps://robotopian.com/products/hobber-hat-hatf-20-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
Max speedmax_speed
valuemeasured at Reduction ratio 51 / 81 / 101 / 121 / 161
118 rpm (51) / 74 rpm (81) / 59 rpm (101) / 50 rpm (121) / 37 rpm (161)
source sentenceMaximum Speed (AC) 118 rpm (51) / 74 rpm (81) / 59 rpm (101) / 50 rpm (121) / 37 rpm (161)
sourcehttps://robotopian.com/products/hobber-hat-hatf-20-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
Rated speedrated_speed
valuemeasured at Reduction ratio 51 / 81 / 101 / 121 / 161
59 rpm (51) / 37 rpm (81) / 30 rpm (101) / 25 rpm (121) / 19 rpm (161)
source sentenceRated Speed (AC) 59 rpm (51) / 37 rpm (81) / 30 rpm (101) / 25 rpm (121) / 19 rpm (161)
sourcehttps://robotopian.com/products/hobber-hat-hatf-20-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
Peak currentpeak_current
valuemeasured at Reduction ratio 51 / 81 / 101 / 121 / 161
6.04 Amms (51) / 5.02 Amms (81) / 4.51 Amms (101) / 3.98 Amms (121) / 3.13 Amms (161)
source sentenceMaximum Current (AC) 6.04 Amms (51) / 5.02 Amms (81) / 4.51 Amms (101) / 3.98 Amms (121) / 3.13 Amms (161)
sourcehttps://robotopian.com/products/hobber-hat-hatf-20-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
Rated currentrated_current
valuemeasured at Reduction ratio 51 / 81 / 101 / 121 / 161
2.63 Amms (51) / 2.65 Amms (81) / 2.56 Amms (101) / 2.25 Amms (121) / 1.69 Amms (161)
source sentenceRated Current (AC) 2.63 Amms (51) / 2.65 Amms (81) / 2.56 Amms (101) / 2.25 Amms (121) / 1.69 Amms (161)
sourcehttps://robotopian.com/products/hobber-hat-hatf-20-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
Torque constanttorque_constant
valuemeasured at Reduction ratio 51 / 81 / 101 / 121 / 161
11.42 N.m/Amms (51) / 18.14 N.m/Amms (81) / 22.62 N.m/Amms (101) / 27.10 N.m/Amms (121) / 36.06 N.m/Amms (161)
source sentenceTorque Constant (AC) 11.42 N.m/Amms (51) / 18.14 N.m/Amms (81) / 22.62 N.m/Amms (101) / 27.10 N.m/Amms (121) / 36.06 N.m/Amms (161)
sourcehttps://robotopian.com/products/hobber-hat-hatf-20-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
Rated torquerated_torque
valuemeasured at Reduction ratio 51 / 81 / 101 / 121 / 161
39 N.m (51) / 58 N.m (81) / 61 N.m (101) / 61 N.m (121) / 61 N.m (161)
source sentenceRated Torque (DC) 39 N.m (51) / 58 N.m (81) / 61 N.m (101) / 61 N.m (121) / 61 N.m (161)
sourcehttps://robotopian.com/products/hobber-hat-hatf-20-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
Max speedmax_speed
valuemeasured at Reduction ratio 51 / 81 / 101 / 121 / 161
86 rpm (51) / 54 rpm (81) / 44 rpm (101) / 36 rpm (121) / 27 rpm (161)
source sentenceMaximum Speed (DC) 86 rpm (51) / 54 rpm (81) / 44 rpm (101) / 36 rpm (121) / 27 rpm (161)
sourcehttps://robotopian.com/products/hobber-hat-hatf-20-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
Rated speedrated_speed
valuemeasured at Reduction ratio 51 / 81 / 101 / 121 / 161
51 rpm (51) / 32 rpm (81) / 26 rpm (101) / 21 rpm (121) / 16 rpm (161)
source sentenceRated Speed (DC) 51 rpm (51) / 32 rpm (81) / 26 rpm (101) / 21 rpm (121) / 16 rpm (161)
sourcehttps://robotopian.com/products/hobber-hat-hatf-20-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
Peak currentpeak_current
valuemeasured at Reduction ratio 51 / 81 / 101 / 121 / 161
15.37 Amms (51) / 12.77 Amms (81) / 11.48 Amms (101) / 10.14 Amms (121) / 7.98 Amms (161)
source sentenceMaximum Current (DC) 15.37 Amms (51) / 12.77 Amms (81) / 11.48 Amms (101) / 10.14 Amms (121) / 7.98 Amms (161)
sourcehttps://robotopian.com/products/hobber-hat-hatf-20-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
Rated currentrated_current
valuemeasured at Reduction ratio 51 / 81 / 101 / 121 / 161
8.69 Amms (51) / 8.14 Amms (81) / 6.86 Amms (101) / 5.73 Amms (121) / 4.31 Amms (161)
source sentenceRated Current (DC) 8.69 Amms (51) / 8.14 Amms (81) / 6.86 Amms (101) / 5.73 Amms (121) / 4.31 Amms (161)
sourcehttps://robotopian.com/products/hobber-hat-hatf-20-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
Torque constanttorque_constant
valuemeasured at Reduction ratio 51 / 81 / 101 / 121 / 161
4.49 N.m/Amms (51) / 7.13 N.m/Amms (81) / 8.89 N.m/Amms (101) / 10.65 N.m/Amms (121) / 14.17 N.m/Amms (161)
source sentenceTorque Constant (DC) 4.49 N.m/Amms (51) / 7.13 N.m/Amms (81) / 8.89 N.m/Amms (101) / 10.65 N.m/Amms (121) / 14.17 N.m/Amms (161)
sourcehttps://robotopian.com/products/hobber-hat-hatf-20-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
Encoder typeencoder_type
valuemeasured at Reduction ratio 51 / 81 / 101 / 121 / 161
Absolute Encoder
source sentenceEncoder Type Absolute Encoder
sourcehttps://robotopian.com/products/hobber-hat-hatf-20-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
Encoder resolutionencoder_resolution
valuemeasured at Reduction ratio 51 / 81 / 101 / 121 / 161
2^23 (8,388,608) or 2^17 (131,072) bit
source sentenceEncoder Resolution (Per Revolution) 2^23 (8,388,608) or 2^17 (131,072) bit
sourcehttps://robotopian.com/products/hobber-hat-hatf-20-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
Torsional stiffnesstorsional_stiffness
valuemeasured at Reduction ratio 51 / 81 / 101 / 121 / 161
1.8 × 10^4 N.m/rad (51/81) / 2.3 × 10^4 N.m/rad (101/121/161)
source sentenceTorsional Stiffness 1.8 × 10^4 N.m/rad (51/81) / 2.3 × 10^4 N.m/rad (101/121/161)
sourcehttps://robotopian.com/products/hobber-hat-hatf-20-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
Weightweight
valuemeasured at With or without brake without brake · Reduction ratio 51 / 81 / 101 / 121 / 161
as printed 2.4 Kg2.4 kg
source sentenceMass (Without Brake) 2.4 Kg
sourcehttps://robotopian.com/products/hobber-hat-hatf-20-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
Weightweight
valuemeasured at With or without brake with brake · Reduction ratio 51 / 81 / 101 / 121 / 161
as printed 2.96 Kg2.96 kg
source sentenceMass (With Brake) 2.96 Kg
sourcehttps://robotopian.com/products/hobber-hat-hatf-20-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
Insulation classinsulation_class
valuemeasured at Reduction ratio 51 / 81 / 101 / 121 / 161
Class F
source sentenceInsulation Class Class F
sourcehttps://robotopian.com/products/hobber-hat-hatf-20-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
IP ratingip_rating
valuemeasured at Reduction ratio 51 / 81 / 101 / 121 / 161
Fully enclosed cooling type (IP65)
source sentenceProtection Rating Fully enclosed cooling type (IP65)
sourcehttps://robotopian.com/products/hobber-hat-hatf-20-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
Pole countpole_count
valuemeasured at Reduction ratio 51 / 81 / 101 / 121 / 161
as printed 1616
source sentenceNumber of Motor Poles 16
sourcehttps://aifitlab.com/products/hobber-hat-hatf-20-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Dielectric strengthdielectric_strength
valuemeasured at Reduction ratio 51 / 81 / 101 / 121 / 161
AC 1500 V / 1 min
source sentenceDielectric Strength AC 1500 V / 1 min
sourcehttps://aifitlab.com/products/hobber-hat-hatf-20-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Pole countpole_count
valuemeasured at Reduction ratio 51 / 81 / 101 / 121 / 161
as printed 1616
source sentenceNumber of Motor Poles 16
sourcehttps://robotopian.com/products/hobber-hat-hatf-20-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
Dielectric strengthdielectric_strength
valuemeasured at Reduction ratio 51 / 81 / 101 / 121 / 161
AC 1500 V / 1 min
source sentenceDielectric Strength AC 1500 V / 1 min
sourcehttps://robotopian.com/products/hobber-hat-hatf-20-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
specs 46, 46 shown
Source documents.
2 sources the values were read from
2 documents
DownloadSource files are not published yet: which documents may be published is undecided.
No change
2026-08-28first collected · 2 sources
Next update2026-10-01
Change history kept
Build a joint around this part.
Put a motor, a reducer and an encoder into the slots to see whether they combine.
Check joint combinationsJOINT · HAT/HATF-20 · A · Joint Actuation
StatusNeeds checking
- Missing specs for the joint check
- No verdict: the specification keys it needs are not settled
To settle before a verdict
Supplier.
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