Yaskawa R7505
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) | 3.5 |
| Normal Duty - Nominal HP | 1/2 & 3/4 |
| Heavy Duty - Rated Current (A) | 3.2 |
| Heavy Duty - Nominal HP | 3/4 |
| 3% DB Resistor 3 - Qty Required | 1 |
| 3% DB Resistor 3 - Resistance (Ohms) (Each) | 200 |
| 3% DB Resistor 3 - Power (Watts) (Each) | 150 |
| 3% DB Resistor 3 - Approx. Braking Torque (%) | 125 1 |
| Drive Model Number | CIMR-AU2A0004FAA |
A1000 Dynamic Braking Resistor 3 Percent [A1000 - Dynamic Braking Resistor 3 Percent]
| Normal Duty - Rated Current (A) | 6 |
| Normal Duty - Nominal HP | 1 |
| Heavy Duty - Rated Current (A) | 5 |
| Heavy Duty - Nominal HP | 3/4 & 1 |
| 3% DB Resistor 3 - Qty Required | 1 |
| 3% DB Resistor 3 - Resistance (Ohms) (Each) | 200 |
| 3% DB Resistor 3 - Power (Watts) (Each) | 150 |
| 3% DB Resistor 3 - Approx. Braking Torque (%) | 125 1 |
| Drive Model Number | CIMR-AU2A0006FAA |
GA500 - 3 Percent Dynamic Braking Resistors
| Normal Duty (HP) | 1.5 |
| Heavy Duty (HP) | 1 |
| Quantity | 1 |
| ohm (each) | 200 |
| Watts (each) | 150 |
| Catalog Code | GA50UB006... |
GA500 - 3 Percent Dynamic Braking Resistors [GA500 - 3 Percent Dynamic Braking Resistors]
| Normal Duty (HP) | 1.5 |
| Heavy Duty (HP) | 1 |
| Quantity | 1 |
| ohm (each) | 200 |
| Watts (each) | 150 |
| Catalog Code | GA50U2006... |
GA500 - 3 Percent Dynamic Braking Resistors [GA500 - 3 Percent Dynamic Braking Resistors] (2)
| Normal Duty (HP) | 3 |
| Heavy Duty (HP) | 3 |
| Quantity | 1 |
| ohm (each) | 200 |
| Watts (each) | 150 |
| Catalog Code | GA50U4005... |
GA500 - 3 Percent Dynamic Braking Resistors [GA500 - 3 Percent Dynamic Braking Resistors] (3)
| Normal Duty (HP) | 4 |
| Heavy Duty (HP) | 3 |
| Quantity | 1 |
| ohm (each) | 200 |
| Watts (each) | 150 |
| Catalog Code | GA50U4007... |
GA500 - 3 Percent Dynamic Braking Resistors [GA500 - 3 Percent Dynamic Braking Resistors] (4)
| Normal Duty (HP) | 5 |
| Heavy Duty (HP) | 4 |
| Quantity | 1 |
| ohm (each) | 200 |
| Watts (each) | 150 |
| Catalog Code | GA50U4009... |
GA501 - 3 Percent Dynamic Braking Resistors
| Normal Duty (HP) | 1.5 |
| Heavy Duty (HP) | 1 |
| Quantity | 1 |
| ohm (each) | 200 |
| Watts (each) | 150 |
| Catalog Code | GA51UB006... |
GA501 - 3 Percent Dynamic Braking Resistors [GA501 - 3 Percent Dynamic Braking Resistors]
| Normal Duty (HP) | 1.5 |
| Heavy Duty (HP) | 1 |
| Quantity | 1 |
| ohm (each) | 200 |
| Watts (each) | 150 |
| Catalog Code | GA51U2006... |
GA501 - 3 Percent Dynamic Braking Resistors [GA501 - 3 Percent Dynamic Braking Resistors] (2)
| Normal Duty (HP) | 3 |
| Heavy Duty (HP) | 3 |
| Quantity | 1 |
| ohm (each) | 200 |
| Watts (each) | 150 |
| Catalog Code | GA51U4005... |
GA501 - 3 Percent Dynamic Braking Resistors [GA501 - 3 Percent Dynamic Braking Resistors] (3)
| Normal Duty (HP) | 4 |
| Heavy Duty (HP) | 3 |
| Quantity | 1 |
| ohm (each) | 200 |
| Watts (each) | 150 |
| Catalog Code | GA51U4007... |
GA501 - 3 Percent Dynamic Braking Resistors [GA501 - 3 Percent Dynamic Braking Resistors] (4)
| Normal Duty (HP) | 5 |
| Heavy Duty (HP) | 4 |
| Quantity | 1 |
| ohm (each) | 200 |
| Watts (each) | 150 |
| Catalog Code | GA51U4009... |
GA800 3 Percent Dynamic Braking Resistors
| Normal Duty (HP) | 1.5 |
| Heavy Duty (HP) | 1 |
| Quantity | 1 |
| ohm (each) | 200 |
| Watts (each) | 150 |
| Catalog Code | GA80U2006... |
GA800 3 Percent Dynamic Braking Resistors [GA800 - 3 Percent Dynamic Braking Resistors]
| Normal Duty (HP) | 3 |
| Heavy Duty (HP) | 2 |
| Quantity | 1 |
| ohm (each) | 200 |
| Watts (each) | 150 |
| Catalog Code | GA80U4005... |
GA800 3 Percent Dynamic Braking Resistors [GA800 - 3 Percent Dynamic Braking Resistors] (2)
| Normal Duty (HP) | 4 |
| Heavy Duty (HP) | 3 |
| Quantity | 1 |
| ohm (each) | 200 |
| Watts (each) | 150 |
| Catalog Code | GA80U4007... |
GA800 3 Percent Dynamic Braking Resistors [GA800 - 3 Percent Dynamic Braking Resistors] (3)
| Normal Duty (HP) | 5 |
| Heavy Duty (HP) | 4 |
| Quantity | 1 |
| ohm (each) | 200 |
| Watts (each) | 150 |
| Catalog Code | GA80U4009... |
V1000 - Dynamic Braking Resistor 3 Percent
| Heat Sink Mount Resistor - Quantity Required | 1 |
| Heat Sink Mount Resistor - Resistance (Ohms) (Each) | 200 |
| Heat Sink Mount Resistor - Power (Watts) (Each) | 150 |
| Heat Sink Mount Resistor - Approximate Peak Braking Torque (%) | 230 |
| 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-VUBA0003_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) | 200 |
| Heat Sink Mount Resistor - Power (Watts) (Each) | 150 |
| Heat Sink Mount Resistor - Approximate Peak Braking Torque (%) | 230 |
| 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-VUBA0006_AA |
V1000 - Dynamic Braking Resistor 3 Percent [V1000 - Dynamic Braking Resistor 3 Percent] (2)
| Heat Sink Mount Resistor - Quantity Required | 1 |
| Heat Sink Mount Resistor - Resistance (Ohms) (Each) | 200 |
| Heat Sink Mount Resistor - Power (Watts) (Each) | 150 |
| Heat Sink Mount Resistor - Approximate Peak Braking Torque (%) | 230 |
| 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-VU2A0004_AA |
V1000 - Dynamic Braking Resistor 3 Percent [V1000 - Dynamic Braking Resistor 3 Percent] (3)
| Heat Sink Mount Resistor - Quantity Required | 1 |
| Heat Sink Mount Resistor - Resistance (Ohms) (Each) | 200 |
| Heat Sink Mount Resistor - Power (Watts) (Each) | 150 |
| Heat Sink Mount Resistor - Approximate Peak Braking Torque (%) | 230 |
| 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-VU2A0006_AA |
Documentation & CAD
Files hosted by Yaskawa; links open the official document or download page. 3D CAD requires a free Yaskawa login.
Datasheets & catalogs
Manuals
- Tech Manual
- Arc Flash and PPE Manual Supplement
- Product Transition Guide A1000 to GA800
- Back-up Capacitor Unit for Momentary Power Loss - Option Installation Manual
- GA500 Finless-Type Installation & Primary Operation
- GA500 Finless-Type Installation & Primary Operation (TOEPYAISUP23)
- GA500 Versatile Compact AC Drive Installation & Primary Operation
- GA500 Versatile Compact AC Drive Installation & Primary Operation (EZZ024333)
- GA500 Versatile Compact AC Drive Installation & Primary Operation (TOEPYAISUP12)
- GA500 Versatile Compact AC Drive Technical Reference
- GA500 Versatile Compact AC Drive Technical Reference (TOEPYAISUP23)
- GA500 Versatile Compact AC Drive Technical Reference (TOEPYAISUP12)
- + 71 more on the official site
2D drawings
ECAD / configuration files
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.