400W AC Servo Drive Delta ASD-B3-0421-L 24-bit Encoder STO 3.1 kHz Bandwidth

Name: 400W AC Servo Drive Delta ASD-B3-0421-L 24-bit Encoder STO 3.1 kHz Bandwidth
Brand: Shenzhen Hengyo Power Technology Co., Limited
SKU: ASD-B3-0421-L
Availability: InStock

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400W AC Servo Drive Delta ASD-B3-0421-L 24-bit Encoder STO 3.1 kHz Bandwidth

Large Image : 400W AC Servo Drive Delta ASD-B3-0421-L 24-bit Encoder STO 3.1 kHz Bandwidth

Product Details:

Place of Origin:	Taiwan
Brand Name:	Delta
Certification:	CE UL
Model Number:	ASD-B3-0421-L

Payment & Shipping Terms:

Minimum Order Quantity:	1
Price:	negotiable
Packaging Details:	Delta original package
Delivery Time:	In stock
Payment Terms:	T/T
Supply Ability:	200pcs/month

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400W AC Servo Drive Delta ASD-B3-0421-L 24-bit Encoder STO 3.1 kHz Bandwidth

Description

Condition:

Delta Original Brand New

Warranty:

One Year

Shipping Way:

DHL FedEx

Application:

Winding Machine

Highlight:

Delta ASDA-B3 servo drive

AC servo motor amplifier

ASD-B3-0421-L servo driver

Delta ASD-B3-0421-L Servo Drive | 400W with STO | Single or 3-Phase

The Delta ASD-B3-0421-L is a 400W high-performance servo drive from the ASDA-B3 series, designed for global automation applications. Featuring built-in Safe Torque Off (STO), flexible single-phase or three-phase power input, and 24-bit encoder support, this drive delivers precision, safety, and reliability for machinery manufacturers and system integrators worldwide.

Key Specifications

Parameter	Specification
Model	ASD-B3-0421-L
Rated Output Power	400 W (0.4 kW)
Supply Voltage	200-240V AC (±10%)
Input Phase	1-Phase or 3-Phase
Input Current (1-Phase)	6.9 Arms
Input Current (3-Phase)	3.2 Arms
Continuous Output Current	2.6 Arms
Instantaneous Max Output Current	7.8 Arms (3 sec)
Encoder Support	24-bit absolute/incremental encoder
Control Bandwidth	3.1 kHz
Control Modes	Position, Speed, Torque
Communication	MODBUS RS-485, CANopen, EtherNet/IP
Safe Torque Off (STO)	Built-in (IEC/EN 61800-5-2, SIL2)
Regenerative Resistor	Built-in
Cooling	Fan cooling
Protection Rating	IP20
Operating Temperature	0°C to +55°C
Dimensions (H x W x D)	170 mm x 60 mm x 165 mm
Weight	Approx. 1.5 kg
Approvals	CE, cURus

Key Features

Built-in Safe Torque Off (STO): Integrated STO function compliant with IEC/EN 61800-5-2 SIL2 standards ensures personnel safety during maintenance and emergency situations. Eliminates the need for external safety contactors, reducing panel space and system cost.
Flexible Power Input: Supports both single-phase and three-phase 200-240V AC input, making it ideal for global deployment across regions with varying power infrastructure.
High Response Bandwidth: Achieves 3.1 kHz speed response bandwidth with settling time reduced by up to 40% compared to previous ASDA-B2 series.
24-bit High-Resolution Encoder Support: Supports 24-bit absolute and incremental encoders for exceptional positioning precision and ultra-smooth low-speed operation.
Advanced Auto-Tuning: Built-in auto-tuning automatically calibrates drive parameters to match load inertia and mechanical characteristics.
Versatile Communication: Supports MODBUS RS-485, CANopen, and EtherNet/IP for seamless integration into diverse automation architectures.
Energy Regeneration: Built-in regenerative energy utilization improves overall system efficiency and reduces operational costs.

Protection Features

Protection Type	Description
Overcurrent	Automatic shutdown when output current exceeds rated limits
Overvoltage	Protects against excessive DC bus voltage
Undervoltage	Prevents operation during insufficient voltage conditions
Overtemperature	Monitors internal temperature; triggers fault if exceeding limits
Overload	Protects motor from extended overload conditions
STO	Safe Torque Off for personnel safety (SIL2 certified)
Encoder Error	Detects encoder communication or signal failures

Applications

Industry	Applications
Packaging	Labeling machines, capping equipment, form-fill-seal machines
Electronics	Pick-and-place, PCB assembly, dispensing, inspection systems
Robotics	SCARA robots, collaborative robots, small articulated arms
Machine Tools	CNC engraving, milling, drilling, small machining centers
Medical	Diagnostic equipment, patient positioning, laboratory automation
Semiconductor	Wafer handling, inspection, test equipment
General Automation	Conveyor systems, indexing tables, automated guided vehicles (AGVs)

Matching Motors

Motor Model	Power	Inertia	Brake	Application
ECM-B3M-C20604SS1	400W	Low	No	High-speed, dynamic applications
ECM-B3M-C20604RS1	400W	Low	Yes	Vertical axes, position holding
ECM-B3M-C20602SS1	200W	Low	No	Small, high-speed positioning
ECM-B3M-C20602RS1	200W	Low	Yes	Compact vertical applications

Required Cables

Cable Type	Recommended Model	Length
Motor Power Cable	ACS3-CAPW0206	3m (standard)
Encoder Cable	ACS3-CAEN2006	3m (standard)
Brake Cable	ACS3-CABR2006	3m (for RS1 motors)

Custom lengths available upon request.

Model Comparison: L vs M Series (400W)

Feature	ASD-B3-0421-L	ASD-B3-0421-M
Input Phase	1-Phase or 3-Phase	3-Phase Only
Input Current	6.9A (1-phase) / 3.2A (3-phase)	3.2A (3-phase only)
STO	Built-in (SIL2)	Not available
Cooling	Fan cooling	Fanless (natural)
Dimensions (W)	60 mm	50 mm
Best For	Global markets, retrofit, safety-critical	Compact, quiet operation

Why Choose ASD-B3-0421-L?

For Global OEMs & Machine Builders

Single or 3-phase input enables one SKU for worldwide deployment. STO certification meets EU and NA safety standards without external components. CE and cURus approvals simplify machine certification.

For System Integrators

24-bit encoder support delivers precision for demanding applications. 3.1 kHz bandwidth enables faster cycle times and higher throughput. Auto-tuning reduces commissioning time and simplifies setup.

For End Users & Maintenance Teams

Built-in regenerative resistor eliminates external components. MODBUS, CANopen, EtherNet/IP provides flexible connectivity. Delta global support network ensures reliable after-sales service.

Downloads & Resources

Resource	Link
Datasheet	Download PDF
User Manual	Download PDF
CAD Drawings	2D/3D Models Available
Delta ASDA-Soft Software	Free Download

Ordering Information

Item	Model Number
Servo Drive	ASD-B3-0421-L
400W Low Inertia Motor (No Brake)	ECM-B3M-C20604SS1
400W Low Inertia Motor (With Brake)	ECM-B3M-C20604RS1
Power Cable (3m)	ACS3-CAPW0206
Encoder Cable (3m)	ACS3-CAEN2006

Overall Rating

5.0

Based on 50 reviews for this supplier

Rating Snapshot

The following is the distribution of all ratings

5 stars

100%

4 stars

3 stars

2 stars

1 stars

All Reviews

Jose A

United States May 7.2025

Helpful (7)

Product in great conditions, Brand New.

Antonio

Spain Mar 1.2022

Helpful (8)

everything ok

F*o

Italy Mar 21.2020

Helpful (32)

Thankyou for your service and supply. I solved my problem on my broked machinery.

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Contact Person: Vivian Chan

Tel: +86 13510341645

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