Yaskawa R7503
A1000 - Dynamic Braking Resistor 3 Percent
Rated for 3% duty cycle over a 100-second interval. Approximate braking torque for each rating is listed. These resistors are designed in NEMA 1 enclosures for separate panel mounting. 200-400V, 3-Phase | 380-480V, 3-Phase 200-240V, 3-Phase Dynamic Braking Resistor, 3% Duty Cycle
Lifecycle & replacement
Yaskawa's published discontinuation lists (checked 2026-09-01) do not assign a lifecycle status to this part number.
IAC stocks legacy spares and exchange units and quotes upgrade paths. Send us the nameplate details and we will confirm a compatible replacement.
Checked against: Yaskawa America Support By Product - Inverter Drives; Yaskawa America Support By Product - Servo Amplifiers; Yaskawa America Support By Product - Servomotors; Yaskawa America Support By Product - Machine Controllers; Yaskawa America Support By Product - PLC Controllers; Yaskawa America Support By Product - Spindle Drives; Yaskawa America Support By Product - Spindle Motors; Yaskawa product page carrying the verbatim definition of Legacy.
Technical specifications
A1000 Dynamic Braking Resistor 3 Percent
| Normal Duty - Rated Current (A) | 9.6 |
| Normal Duty - Nominal HP | 3 |
| 3% DB Resistor 3 - Qty Required | 1 |
| 3% DB Resistor 3 - Resistance (Ohms) (Each) | 70 |
| 3% DB Resistor 3 - Power (Watts) (Each) | 150 |
| 3% DB Resistor 3 - Approx. Braking Torque (%) | 120 |
| Drive Model Number | CIMR-AU2A0010FAA |
A1000 Dynamic Braking Resistor 3 Percent [A1000 - Dynamic Braking Resistor 3 Percent]
| Heavy Duty - Rated Current (A) | 11 |
| Heavy Duty - Nominal HP | 3 |
| 3% DB Resistor 3 - Qty Required | 1 |
| 3% DB Resistor 3 - Resistance (Ohms) (Each) | 70 |
| 3% DB Resistor 3 - Power (Watts) (Each) | 150 |
| 3% DB Resistor 3 - Approx. Braking Torque (%) | 120 |
| Drive Model Number | CIMR-AU2A0012FAA |
J1000 Dynamic Braking Resistor 3 Percent
| Heat Sink Mount Resistor - Quantity Required | 1 |
| Heat Sink Mount Resistor - Resistance (Ohms) (Each) | 70 |
| Heat Sink Mount Resistor - Power (Watts) (Each) | 150 |
| Heat Sink Mount Resistor - Approximate Peak Braking Torque (%) | 120 |
| Heat Sink Mount Resistor - Dimensions (Inches) - Length | 7.16 |
| Heat Sink Mount Resistor - Dimensions (Inches) - Width | 1.73 |
| Heat Sink Mount Resistor - Dimensions (Inches) - Height | 0.51 |
| Drive Model Number | CIMR-JU2A0012BAA |
V1000 - Dynamic Braking Resistor 3 Percent
| Heat Sink Mount Resistor - Quantity Required | 1 |
| Heat Sink Mount Resistor - Resistance (Ohms) (Each) | 70 |
| Heat Sink Mount Resistor - Power (Watts) (Each) | 150 |
| Heat Sink Mount Resistor - Approximate Peak Braking Torque (%) | 120 |
| Heat Sink Mount Resistor - Dimensions (Inches) - Length | 7.16 |
| Heat Sink Mount Resistor - Dimensions (Inches) - Width | 1.73 |
| Heat Sink Mount Resistor - Dimensions (Inches) - Height | 0.51 |
| Drive Model Number | CIMR-VUBA0012_AA |
V1000 - Dynamic Braking Resistor 3 Percent [V1000 - Dynamic Braking Resistor 3 Percent]
| Heat Sink Mount Resistor - Quantity Required | 1 |
| Heat Sink Mount Resistor - Resistance (Ohms) (Each) | 70 |
| Heat Sink Mount Resistor - Power (Watts) (Each) | 150 |
| Heat Sink Mount Resistor - Approximate Peak Braking Torque (%) | 120 |
| Heat Sink Mount Resistor - Dimensions (Inches) - Length | 7.16 |
| Heat Sink Mount Resistor - Dimensions (Inches) - Width | 1.73 |
| Heat Sink Mount Resistor - Dimensions (Inches) - Height | 0.51 |
| Drive Model Number | CIMR-VU2A0012_AA |
Documentation & CAD
Files hosted by Yaskawa; links open the official document or download page. 3D CAD requires a free Yaskawa login.
Manuals
Certificates
Get a quote for a replacement
Industrial Automation Co. stocks, sources, and repairs Yaskawa parts — new, refurbished, or exchange units with warranty.
Specifications compiled from official Yaskawa product documentation. Always confirm against the datasheet for your exact unit and revision.