Speed regulation+/-0.5% With Tach Feedback, +/-1% With Armature Voltage Feedback
RotationSingle Direction
Hp @ higher voltage1/4 hp to 2 hp
Linear acceleration0.5 sec. to 8 sec.
Hp @ lower voltage1/8 hp to 1 hp
Standard logoculus.png
Operating temp.-10°C to +45°C
Speed controlSCR
Follower circuitNo
Mounting typeSurface
Speed range50:1
FrameNEMA 4/12
SeriesSeries 253
Enclosure ratingNEMA 4
Overall height7 1/4"
Enclosure typeEnclosed
Overall width5.53"
Overall depth2 3/4"
Current/torque limitAdjustable
Max. amps10A
Ir compensationAdjustable
Dynamic brakingNo
Depth2 3/4"
Max. linear acceleration8 sec.
Min. linear acceleration0.5 sec.
Accepts tach feedbackYes
Higher voltage motor output power1/4 hp to 2 hp
Lower voltage motor output power1/8 hp to 1 hp
Product typeDc Speed Control
Dc speed controlSCR
Current rating2-13.2 A, 1.8-12.9 A
Output voltageDC 100V
Input voltage108-132 VAC, 216-264 VAC
Product series250
Family seriesDart Controls Drives, 250 Series
Input voltage (ac)108-132 VAC, 216-264 VAC
Input current (ac)2-13.2 A, 1.8-12.9 A
Output armature voltage (dc)90 VDC, 180 VDC
Max hp @ 90 vdc armature1 hp
Max hp @ 180 vdc armature2 hp
Input phase1
Output field current (dc)1 A
Max armature current (dc)1.4-9.9 A, 1.6-10.2 A
Output field vdc100 VDC, 200 VDC
RegenNo
Feedback typesArmature, Tachometer
Operator controlsBuilt In
Ships factory directNo
Temperature range (f)14-113 °F
Nema ratingNEMA 4, NEMA 12
ApprovalscUL, UL
Nominal armature vdc90 VDC, 180 VDC
Gross weight1.985 lbs