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Supported (optional terminal for high-duty-cycle apps)
Input Phase Configuration
Single-phase / Three-phase
Response Bandwidth
2.5 kHz
Payment Terms
L/C,D/A,D/P,T/T,Western Union
Cooling Method
Active fan cooling
Shipping Term
International Express（DHL/FEDEX/TNT/UPS/ARAMEX）/Sea Freight / Air Freight / International Special Line
Max Speed (Motor Dependent)
5,000 rpm (E3 motor) / 3,000 rpm (B3 motor)
Delivery Time
3-5Workdays
Modbus RTU
Standard
Freight Charge
For Industrial Equipment (E.G., PLC Modules, Inverters..), Shipping Cost Varies By Package Weight/Volume And Delivery Location. Contact Our Sales Team For A Customized Shipping Solution And Quote
Supported (optional terminal for high-duty-cycle apps)
Input Phase Configuration
Single-phase / Three-phase
Response Bandwidth
2.5 kHz
Payment Terms
L/C,D/A,D/P,T/T,Western Union
Cooling Method
Active fan cooling
Shipping Term
International Express（DHL/FEDEX/TNT/UPS/ARAMEX）/Sea Freight / Air Freight / International Special Line
Max Speed (Motor Dependent)
5,000 rpm (E3 motor) / 3,000 rpm (B3 motor)
Delivery Time
3-5Workdays
Modbus RTU
Standard
Freight Charge
For Industrial Equipment (E.G., PLC Modules, Inverters..), Shipping Cost Varies By Package Weight/Volume And Delivery Location. Contact Our Sales Team For A Customized Shipping Solution And Quote
The Delta ASDA-E3 1.5kW Servo Drive (ASD-E3-1521-L) brings the E3 economy series into mid-power territory, delivering 1,500 watts of servo control with 24.3 Arms peak current capability at an unmatched price point. Built for heavier conveying, larger format packaging, winding/unwinding, and general machinery axes that require more torque, this drive combines the simplicity and cost advantages of the E3 platform with the power to handle real industrial loads.
Product Highlights
1.5kW Rated / 24.3A Peak Output — Handles heavier loads and higher acceleration with authority
Built-in Regenerative Resistor — Manages braking energy for vertical and high-inertia applications
Single/Three-Phase Power Flexibility — Works on both shop-floor single-phase and factory three-phase supplies
2.5 kHz Bandwidth — Responsive control loop ensures accurate position tracking under varying loads
Fan Cooling for Continuous Duty — Active thermal management supports extended high-load operation
25% Smaller than Predecessor — Compact housing fits standard multi-axis control cabinets
Compatible with 1.0-1.5kW Motors — Supports Delta ECM-E3, E2, and B3 motors across the mid-power range
USB Quick Commissioning — Plug in, auto-tune, and go — typically under 15 minutes from unboxing to motion
Specifications & Models
Parameter
Specification
Model Number
ASD-E3-1521-L
Series
ASDA-E3 (Basic Economy Type)
Rated Power
1.5 kW (1,500 W)
Input Voltage
Single-phase / Three-phase 200-230 VAC (-15% to +10%)
Input Current (1-phase)
Approx. 11.3 Arms
Input Current (3-phase)
Approx. 5.8 Arms
Continuous Output Current
Approx. 8.3 Arms
Peak Output Current
24.3 Arms
Encoder Resolution
20-bit incremental (1,048,576 p/rev)
Response Bandwidth
2.5 kHz
Control Method
SVPWM
Cooling
Fan cooling
Built-in Regenerative Resistor
Yes (internal)
Communication Interfaces
RS-485 / Modbus / USB
Command Sources
External pulse train (PT) / Internal register (PR) / Analog
Analog Input
Speed ±10V / Torque ±10V (2 channels)
Max Input Pulse Frequency
4 Mpps (Line Driver) / 200 kpps (Open Collector)
Tuning Modes
Auto / Manual / Quick Setup
Operating Temperature
0°C to 55°C (forced cooling required above 45°C)
IP Rating
IP20
Weight
Approx. 1.3 kg
Compatible Motors
ECM-E3 1.0kW-1.5kW, ECM-E2, ECM-B3 (1.0kW-1.5kW)
Dimensions (WxHxD)
Approx. 60 x 155 x 180 mm
Application Areas
Medium-duty conveyor drives & belt tracking systems
Larger format packaging & pallet wrapping machinery
Rotary filling & capping machines
Simple CNC lathe spindle & feed axes
Automated storage & retrieval systems (AS/RS)
Material cutting saws & slitting machines
Mixing & blending equipment
Bottling & canning line drives
Frequently Asked Questions
Q1: Is the 1.5kW E3 suitable for a vertical (Z-axis) application?
Yes — the built-in regenerative resistor handles braking energy from vertical loads. For frequent lifting/lowering cycles or heavy vertical payloads, monitor the regen load ratio and add an external resistor if needed.
Q2: What gauge of power wiring is recommended for the 1.5kW drive?
Delta recommends 14 AWG (2.1 mm²) for the main power circuit (R/S/T), 14-16 AWG for motor output (U/V/W), and shielded twisted-pair for encoder signals. Always follow local electrical codes.
Q3: Can I run the 1.5kW E3 on a standard 20A single-phase circuit?
Input current on single-phase is approximately 11.3 Arms at rated load. A 20A circuit is adequate for normal operation, but consider a 25A breaker if the application involves frequent peak-current acceleration. Always include a line reactor for power quality on single-phase installations.
Q4: How does the 1.5kW E3 compare to the A2 1.5kW for CNC retrofits?
The E3 offers similar motor compatibility and pulse train control suitable for basic CNC. The A2 adds higher bandwidth (2.5 kHz vs. 2.5 kHz same), more advanced E-CAM, and digital I/O — choose E3 for cost-sensitive retrofits, A2 or A3 for precision machining.
Q5: What is the maximum inertia ratio the E3 can handle?
With auto-tuning enabled, the E3 typically handles inertia ratios up to 30:1 (load-to-motor). For ratios above 30:1, consider a higher-inertia motor variant or use manual gain tuning for optimal stability.
Q6: Does the 1.5kW E3 support electronic gearing for synchronized axes?
Yes, the PR (Position Register) mode supports basic electronic gear ratio settings. For complex multi-axis synchronization (E-CAM, flying shear), consider the A3 series which offers up to 99 programmable E-CAM segments.
Q7: How do I know if the regenerative resistor is sufficient for my application?
Use Delta ASDA-Soft to monitor Parameter P0-14 (regen load ratio) during worst-case deceleration. If it consistently exceeds 80%, add an external resistor. Delta offers matching resistor kits for each power rating.
Q8: Can multiple E3 drives share a DC bus like the A3 series?
The E3 series does not support multi-axis DC-bus sharing. If energy sharing between axes is critical for your application, the A3 series is the recommended upgrade.
