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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-25-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Peak torquepeak_torque
valuemeasured at Reduction ratio 51 / 81 / 101 / 121 / 161
121 N.m (51) / 169 N.m (81) / 194 N.m (101) / 207 N.m (121) / 217 N.m (161)
source sentencePeak Torque (AC) 121 N.m (51) / 169 N.m (81) / 194 N.m (101) / 207 N.m (121) / 217 N.m (161)
sourcehttps://aifitlab.com/products/hobber-hat-hatf-25-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Rated torquerated_torque
valuemeasured at Reduction ratio 51 / 81 / 101 / 121 / 161
68.5 N.m (51) / 107 N.m (81) / 133 N.m (101) / 133 N.m (121) / 133 N.m (161)
source sentenceRated Torque (AC) 68.5 N.m (51) / 107 N.m (81) / 133 N.m (101) / 133 N.m (121) / 133 N.m (161)
sourcehttps://aifitlab.com/products/hobber-hat-hatf-25-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Max speedmax_speed
valuemeasured at Reduction ratio 51 / 81 / 101 / 121 / 161
94 rpm (51) / 59 rpm (81) / 48 rpm (101) / 40 rpm (121) / 30 rpm (161)
source sentenceMaximum Speed (AC) 94 rpm (51) / 59 rpm (81) / 48 rpm (101) / 40 rpm (121) / 30 rpm (161)
sourcehttps://aifitlab.com/products/hobber-hat-hatf-25-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Rated speedrated_speed
valuemeasured at Reduction ratio 51 / 81 / 101 / 121 / 161
49 rpm (51) / 31 rpm (81) / 25 rpm (101) / 21 rpm (121) / 16 rpm (161)
source sentenceRated Speed (AC) 49 rpm (51) / 31 rpm (81) / 25 rpm (101) / 21 rpm (121) / 16 rpm (161)
sourcehttps://aifitlab.com/products/hobber-hat-hatf-25-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Peak currentpeak_current
valuemeasured at Reduction ratio 51 / 81 / 101 / 121 / 161
6.90 Amps (51) / 6.07 Amps (81) / 5.58 Amps (101) / 4.97 Amps (121) / 3.92 Amps (161)
source sentenceMaximum Current (AC) 6.90 Amps (51) / 6.07 Amps (81) / 5.58 Amps (101) / 4.97 Amps (121) / 3.92 Amps (161)
sourcehttps://aifitlab.com/products/hobber-hat-hatf-25-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Rated currentrated_current
valuemeasured at Reduction ratio 51 / 81 / 101 / 121 / 161
3.90 Amps (51) / 3.84 Amps (81) / 3.83 Amps (101) / 3.20 Amps (121) / 2.40 Amps (161)
source sentenceRated Current (AC) 3.90 Amps (51) / 3.84 Amps (81) / 3.83 Amps (101) / 3.20 Amps (121) / 2.40 Amps (161)
sourcehttps://aifitlab.com/products/hobber-hat-hatf-25-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Torque constanttorque_constant
valuemeasured at Reduction ratio 51 / 81 / 101 / 121 / 161
17.54 N.m/Amps (51) / 27.86 N.m/Amps (81) / 34.74 N.m/Amps (101) / 41.62 N.m/Amps (121) / 55.38 N.m/Amps (161)
source sentenceTorque Constant (AC) 17.54 N.m/Amps (51) / 27.86 N.m/Amps (81) / 34.74 N.m/Amps (101) / 41.62 N.m/Amps (121) / 55.38 N.m/Amps (161)
sourcehttps://aifitlab.com/products/hobber-hat-hatf-25-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Rated torquerated_torque
valuemeasured at Reduction ratio 51 / 81 / 101 / 121 / 161
64 N.m (51) / 100 N.m (81) / 125 N.m (101) / 133 N.m (121) / 133 N.m (161)
source sentenceRated Torque (DC) 64 N.m (51) / 100 N.m (81) / 125 N.m (101) / 133 N.m (121) / 133 N.m (161)
sourcehttps://aifitlab.com/products/hobber-hat-hatf-25-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Max speedmax_speed
valuemeasured at Reduction ratio 51 / 81 / 101 / 121 / 161
69 rpm (51) / 43 rpm (81) / 35 rpm (101) / 29 rpm (121) / 22 rpm (161)
source sentenceMaximum Speed (DC) 69 rpm (51) / 43 rpm (81) / 35 rpm (101) / 29 rpm (121) / 22 rpm (161)
sourcehttps://aifitlab.com/products/hobber-hat-hatf-25-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Peak currentpeak_current
valuemeasured at Reduction ratio 51 / 81 / 101 / 121 / 161
26.96 Amps (51) / 23.71 Amps (81) / 21.83 Amps (101) / 19.44 Amps (121) / 15.32 Amps (161)
source sentenceMaximum Current (DC) 26.96 Amps (51) / 23.71 Amps (81) / 21.83 Amps (101) / 19.44 Amps (121) / 15.32 Amps (161)
sourcehttps://aifitlab.com/products/hobber-hat-hatf-25-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Rated currentrated_current
valuemeasured at Reduction ratio 51 / 81 / 101 / 121 / 161
14.26 Amps (51) / 14.03 Amps (81) / 14.06 Amps (101) / 12.49 Amps (121) / 9.39 Amps (161)
source sentenceRated Current (DC) 14.26 Amps (51) / 14.03 Amps (81) / 14.06 Amps (101) / 12.49 Amps (121) / 9.39 Amps (161)
sourcehttps://aifitlab.com/products/hobber-hat-hatf-25-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Torque constanttorque_constant
valuemeasured at Reduction ratio 51 / 81 / 101 / 121 / 161
4.49 N.m/Amps (51) / 7.13 N.m/Amps (81) / 8.89 N.m/Amps (101) / 10.65 N.m/Amps (121) / 14.17 N.m/Amps (161)
source sentenceTorque Constant (DC) 4.49 N.m/Amps (51) / 7.13 N.m/Amps (81) / 8.89 N.m/Amps (101) / 10.65 N.m/Amps (121) / 14.17 N.m/Amps (161)
sourcehttps://aifitlab.com/products/hobber-hat-hatf-25-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-25-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-25-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
Torsional stiffnesstorsional_stiffness
valuemeasured at Reduction ratio 51 / 81 / 101 / 121 / 161
3.4 × 10^4 N.m/rad (51/81) / 4.6 × 10^4 N.m/rad (101/121/161)
source sentenceTorsional Stiffness 3.4 × 10^4 N.m/rad (51/81) / 4.6 × 10^4 N.m/rad (101/121/161)
sourcehttps://aifitlab.com/products/hobber-hat-hatf-25-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 3.6 Kg3.6 kg
source sentenceMass (Without Brake) 3.6 Kg
sourcehttps://aifitlab.com/products/hobber-hat-hatf-25-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 4.2 Kg4.2 kg
source sentenceMass (With Brake) 4.2 Kg
sourcehttps://aifitlab.com/products/hobber-hat-hatf-25-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-25-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-08-28Changed —
IP ratingip_rating
valuemeasured at Reduction ratio 51 / 81 / 101 / 121 / 161
Fully enclosed type (IP65)
source sentenceProtection Rating Fully enclosed type (IP65)
sourcehttps://aifitlab.com/products/hobber-hat-hatf-25-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-25-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
Peak torquepeak_torque
valuemeasured at Reduction ratio 51 / 81 / 101 / 121 / 161
121 N.m (51) / 169 N.m (81) / 194 N.m (101) / 207 N.m (121) / 217 N.m (161)
source sentencePeak Torque (AC) 121 N.m (51) / 169 N.m (81) / 194 N.m (101) / 207 N.m (121) / 217 N.m (161)
sourcehttps://robotopian.com/products/hobber-hat-hatf-25-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
Rated torquerated_torque
valuemeasured at Reduction ratio 51 / 81 / 101 / 121 / 161
68.5 N.m (51) / 107 N.m (81) / 133 N.m (101) / 133 N.m (121) / 133 N.m (161)
source sentenceRated Torque (AC) 68.5 N.m (51) / 107 N.m (81) / 133 N.m (101) / 133 N.m (121) / 133 N.m (161)
sourcehttps://robotopian.com/products/hobber-hat-hatf-25-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
Max speedmax_speed
valuemeasured at Reduction ratio 51 / 81 / 101 / 121 / 161
94 rpm (51) / 59 rpm (81) / 48 rpm (101) / 40 rpm (121) / 30 rpm (161)
source sentenceMaximum Speed (AC) 94 rpm (51) / 59 rpm (81) / 48 rpm (101) / 40 rpm (121) / 30 rpm (161)
sourcehttps://robotopian.com/products/hobber-hat-hatf-25-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
Rated speedrated_speed
valuemeasured at Reduction ratio 51 / 81 / 101 / 121 / 161
49 rpm (51) / 31 rpm (81) / 25 rpm (101) / 21 rpm (121) / 16 rpm (161)
source sentenceRated Speed (AC) 49 rpm (51) / 31 rpm (81) / 25 rpm (101) / 21 rpm (121) / 16 rpm (161)
sourcehttps://robotopian.com/products/hobber-hat-hatf-25-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
Peak currentpeak_current
valuemeasured at Reduction ratio 51 / 81 / 101 / 121 / 161
6.90 Amps (51) / 6.07 Amps (81) / 5.58 Amps (101) / 4.97 Amps (121) / 3.92 Amps (161)
source sentenceMaximum Current (AC) 6.90 Amps (51) / 6.07 Amps (81) / 5.58 Amps (101) / 4.97 Amps (121) / 3.92 Amps (161)
sourcehttps://robotopian.com/products/hobber-hat-hatf-25-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
Rated currentrated_current
valuemeasured at Reduction ratio 51 / 81 / 101 / 121 / 161
3.90 Amps (51) / 3.84 Amps (81) / 3.83 Amps (101) / 3.20 Amps (121) / 2.40 Amps (161)
source sentenceRated Current (AC) 3.90 Amps (51) / 3.84 Amps (81) / 3.83 Amps (101) / 3.20 Amps (121) / 2.40 Amps (161)
sourcehttps://robotopian.com/products/hobber-hat-hatf-25-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
Torque constanttorque_constant
valuemeasured at Reduction ratio 51 / 81 / 101 / 121 / 161
17.54 N.m/Amps (51) / 27.86 N.m/Amps (81) / 34.74 N.m/Amps (101) / 41.62 N.m/Amps (121) / 55.38 N.m/Amps (161)
source sentenceTorque Constant (AC) 17.54 N.m/Amps (51) / 27.86 N.m/Amps (81) / 34.74 N.m/Amps (101) / 41.62 N.m/Amps (121) / 55.38 N.m/Amps (161)
sourcehttps://robotopian.com/products/hobber-hat-hatf-25-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
Rated torquerated_torque
valuemeasured at Reduction ratio 51 / 81 / 101 / 121 / 161
64 N.m (51) / 100 N.m (81) / 125 N.m (101) / 133 N.m (121) / 133 N.m (161)
source sentenceRated Torque (DC) 64 N.m (51) / 100 N.m (81) / 125 N.m (101) / 133 N.m (121) / 133 N.m (161)
sourcehttps://robotopian.com/products/hobber-hat-hatf-25-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
Max speedmax_speed
valuemeasured at Reduction ratio 51 / 81 / 101 / 121 / 161
69 rpm (51) / 43 rpm (81) / 35 rpm (101) / 29 rpm (121) / 22 rpm (161)
source sentenceMaximum Speed (DC) 69 rpm (51) / 43 rpm (81) / 35 rpm (101) / 29 rpm (121) / 22 rpm (161)
sourcehttps://robotopian.com/products/hobber-hat-hatf-25-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
Peak currentpeak_current
valuemeasured at Reduction ratio 51 / 81 / 101 / 121 / 161
26.96 Amps (51) / 23.71 Amps (81) / 21.83 Amps (101) / 19.44 Amps (121) / 15.32 Amps (161)
source sentenceMaximum Current (DC) 26.96 Amps (51) / 23.71 Amps (81) / 21.83 Amps (101) / 19.44 Amps (121) / 15.32 Amps (161)
sourcehttps://robotopian.com/products/hobber-hat-hatf-25-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
Rated currentrated_current
valuemeasured at Reduction ratio 51 / 81 / 101 / 121 / 161
14.26 Amps (51) / 14.03 Amps (81) / 14.06 Amps (101) / 12.49 Amps (121) / 9.39 Amps (161)
source sentenceRated Current (DC) 14.26 Amps (51) / 14.03 Amps (81) / 14.06 Amps (101) / 12.49 Amps (121) / 9.39 Amps (161)
sourcehttps://robotopian.com/products/hobber-hat-hatf-25-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
Torque constanttorque_constant
valuemeasured at Reduction ratio 51 / 81 / 101 / 121 / 161
4.49 N.m/Amps (51) / 7.13 N.m/Amps (81) / 8.89 N.m/Amps (101) / 10.65 N.m/Amps (121) / 14.17 N.m/Amps (161)
source sentenceTorque Constant (DC) 4.49 N.m/Amps (51) / 7.13 N.m/Amps (81) / 8.89 N.m/Amps (101) / 10.65 N.m/Amps (121) / 14.17 N.m/Amps (161)
sourcehttps://robotopian.com/products/hobber-hat-hatf-25-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-25-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-25-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
Torsional stiffnesstorsional_stiffness
valuemeasured at Reduction ratio 51 / 81 / 101 / 121 / 161
3.4 × 10^4 N.m/rad (51/81) / 4.6 × 10^4 N.m/rad (101/121/161)
source sentenceTorsional Stiffness 3.4 × 10^4 N.m/rad (51/81) / 4.6 × 10^4 N.m/rad (101/121/161)
sourcehttps://robotopian.com/products/hobber-hat-hatf-25-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 3.6 Kg3.6 kg
source sentenceMass (Without Brake) 3.6 Kg
sourcehttps://robotopian.com/products/hobber-hat-hatf-25-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 4.2 Kg4.2 kg
source sentenceMass (With Brake) 4.2 Kg
sourcehttps://robotopian.com/products/hobber-hat-hatf-25-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-25-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
IP ratingip_rating
valuemeasured at Reduction ratio 51 / 81 / 101 / 121 / 161
Fully enclosed type (IP65)
source sentenceProtection Rating Fully enclosed type (IP65)
sourcehttps://robotopian.com/products/hobber-hat-hatf-25-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-25-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-25-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-25-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-25-actuator · Distributor page
EvidenceSourced
Retrieved · Changed2026-09-01Changed —
specs 44, 44 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-25 · 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
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