AC Drive Application Solution – Konmask | Allen-Bradley 1305-BA09A-HA2 | 1305 Series
In industrial facilities worldwide, uncontrolled motor starts are responsible for up to 60% of premature motor failures and contribute to energy waste exceeding 30% of total plant consumption. Pumping stations running at fixed speed waste an estimated 20–50% of energy compared to variable-speed alternatives, while conveyor lines without soft-start capability experience mechanical shock loads that shorten gearbox life by 40–70%. For maintenance engineers and procurement teams, the cost of unplanned downtime in a mid-size manufacturing plant averages USD $260,000 per hour — a figure that makes drive selection a critical engineering decision, not a commodity purchase.
The Allen-Bradley 1305-BA09A-HA2 Variable Speed Drive fundamentally addresses these challenges by delivering precise, stepless speed control from 0 to 400 Hz across a wide range of 3-phase AC induction motors. Its built-in harmonic mitigation, configurable V/Hz and sensorless vector control modes, and robust NEMA 1 / IP20 enclosure allow engineers to deploy it directly in panel-mount or DIN-rail configurations without additional enclosure investment. The result: energy savings of 25–50% on variable-torque loads, elimination of mechanical stress from across-the-line starts, and a platform that integrates natively into Allen-Bradley control architectures via standard serial communication.
Where This Product Is Used
Water & Wastewater Treatment
• Centrifugal pump speed modulation to maintain constant pressure (±0.5 bar) per AWWA C651 requirements
• Aeration blower control in activated sludge basins operating 24/7 at 35–45°C ambient
• Sludge transfer pump soft-start to prevent water hammer in DN200+ pipelines
HVAC & Building Automation
• Supply air fan speed control for VAV systems targeting ASHRAE 90.1 energy compliance
• Chilled water pump modulation in district cooling plants operating at 6–12°C supply temperature
• Cooling tower fan control with PID feedback loop for condenser water temperature regulation
Food & Beverage Processing
• Conveyor belt speed synchronization on bottling lines running at 200–600 bottles/min
• Mixer and agitator control in hygienic stainless-steel environments (washdown-adjacent panels)
• Ingredient dosing pump control requiring ±1% speed accuracy per FDA 21 CFR Part 11 traceability
Oil, Gas & Petrochemical
• Wellhead transfer pump control in Class I Div 2 adjacent panels (drive in safe area, motor in hazardous area)
• Compressor soft-start and speed trim on natural gas gathering stations
• Cooling water circulation pump control in refinery heat exchanger circuits at up to 50°C ambient
Pulp, Paper & Printing
• Web tension control via dancer-roll feedback on paper winding machines
• Vacuum pump speed modulation on forming sections to optimize sheet formation
• Ink pump and coating applicator speed synchronization requiring <0.1% speed deviation
Material Handling & Logistics
• Pallet conveyor and sortation system drives in distribution centers operating 3-shift, 365-day cycles
• Hoist and crane travel drive with controlled deceleration to prevent load swing
• Automated storage and retrieval system (AS/RS) shuttle drives requiring precise positioning
Technical Specifications
| Part Number | 1305-BA09A-HA2 |
| Manufacturer | Allen-Bradley (Rockwell Automation) |
| Series | 1305 |
| Input Voltage | 200–240 VAC, 3-Phase (±10%) — critical for pump/fan applications on 208V or 230V systems |
| Output Current | 9.0 A continuous — supports motors up to ~2 kW / 3 HP at 230V |
| Output Frequency | 0–400 Hz — enables 2-pole motor operation up to 24,000 RPM for high-speed spindle applications |
| Control Mode | V/Hz (variable torque & constant torque), Sensorless Vector |
| Enclosure Rating | NEMA 1 / IP20 — panel-mount; add external enclosure for washdown environments |
| Communication | Serial (RS-232/RS-485 via adapter) — integrates with PLC-5, SLC 500, MicroLogix via DF1 protocol |
| Braking | Dynamic braking transistor built-in (external resistor required) |
| Ambient Temperature | 0–50°C operating — suitable for most industrial panel environments without derating |
| Altitude | Up to 1,000 m without derating |
| Weight | 4.7 kg |
| Approvals | UL, cUL, CE |
Why Engineers Specify This Model
• In municipal water pumping stations, the 1305-BA09A-HA2 delivers 25–40% energy reduction because its V/Hz control precisely matches pump speed to demand curves, meeting AWWA energy efficiency guidelines and reducing annual operating costs by thousands of dollars per pump.
• In HVAC air handling units, the 1305-BA09A-HA2 delivers ASHRAE 90.1-compliant fan speed modulation because its 0.1 Hz output resolution allows fine-grained airflow control, eliminating the energy waste of inlet vane dampers.
• In food processing conveyor lines, the 1305-BA09A-HA2 delivers smooth, jerk-free acceleration because its configurable S-curve ramp profiles prevent product spillage and mechanical shock, meeting GMP line control requirements.
• In oil & gas transfer pump applications, the 1305-BA09A-HA2 delivers reliable soft-start and controlled deceleration because its built-in dynamic braking transistor enables fast, safe stops without mechanical brake wear, supporting API 610 pump installation standards.
• In Allen-Bradley PLC-controlled systems, the 1305-BA09A-HA2 delivers seamless integration because its native DF1 serial protocol communicates directly with SLC 500 and MicroLogix controllers, eliminating the need for protocol converters and reducing commissioning time by 30–50%.
• In retrofit and upgrade projects, the 1305-BA09A-HA2 delivers drop-in compatibility because its standard NEMA 1 footprint and terminal layout match legacy 1305-series installations, enabling like-for-like replacement without panel redesign.
Complete System Bill of Materials
The following components are typically specified alongside the 1305-BA09A-HA2 for a complete, code-compliant drive installation:
Power Circuit
• Input Line Reactor (1321-3R9-B) — Reduces input harmonic distortion to <5% THD; protects drive from line transients; required by IEEE 519 in sensitive facilities
• Input Fusing / Circuit Breaker — UL 508A-compliant branch circuit protection; size per NEC 430.52 for motor branch circuits
• EMC Input Filter — Required for CE compliance in residential-adjacent industrial zones; reduces conducted emissions to EN 61800-3 Category C2
Motor & Output Circuit
• Output Load Reactor — Protects motor insulation from dV/dt stress on cable runs >30 m; extends motor winding life by 2–3×
• Dynamic Braking Resistor (1305-BA09A compatible) — Dissipates regenerative energy during deceleration; required for applications with high-inertia loads or frequent stop cycles
• Inverter-Duty Motor (NEMA MG1 Part 31) — Rated for PWM drive output; prevents insulation breakdown from voltage spikes
Control & Communication
• 1305 Serial Communication Adapter — Enables DF1 protocol communication with Allen-Bradley PLCs; required for remote speed reference and fault monitoring
• Remote Operator Interface (1201-HA2) — Panel-mount keypad for remote parameter access and speed control without opening the drive enclosure
• PLC (SLC 500 / MicroLogix 1100) — Provides closed-loop process control using drive speed feedback and analog I/O
Enclosure & Safety
• NEMA 12 / IP54 Enclosure — Required for dusty or lightly contaminated environments; houses drive, reactor, and control components
• Safety Relay (440R series) — Provides SIL 2 / PLd safe torque-off (STO) function for machinery safety compliance per ISO 13849
Compliance & Industry Standards
UL 508C (Power Conversion Equipment) — Issued by Underwriters Laboratories; confirms the drive meets North American safety requirements for industrial power conversion equipment. Mandatory for installations in the US and Canada under NEC and CEC codes.
cUL (Canadian Standards) — Canadian market acceptance mark; confirms compliance with CSA C22.2 No. 14. Required for installations in Canadian facilities without additional third-party testing.
CE Marking (Low Voltage Directive 2014/35/EU & EMC Directive 2014/30/EU) — Confirms compliance with European safety and electromagnetic compatibility requirements. Required for installation in EU member states and accepted in many non-EU markets (UK, Middle East, Southeast Asia).
IEEE 519 (Harmonic Control) — Industry standard for harmonic distortion limits at the point of common coupling. The 1305-BA09A-HA2 with input line reactor meets <5% THD requirements for most utility interconnection agreements.
NEMA MG1 Part 31 Compatibility — Drive output characteristics are compatible with inverter-duty motors rated per NEMA MG1 Part 31, ensuring motor insulation integrity on PWM-driven systems.
Quality Assurance & Sourcing
Sourcing Channels: All Allen-Bradley 1305-series drives offered by Konmask.com are sourced from authorized Rockwell Automation distributors, certified surplus dealers with documented chain of custody, and decommissioned OEM equipment with full service history where available. We do not source from unverified grey-market channels.
4-Step Inspection Process:
① Visual & Physical Inspection — Enclosure integrity, terminal condition, label authenticity, and firmware version verification against Rockwell Automation product records
② Power-On Functional Test — Drive powered and run through full speed range (0–60 Hz) under no-load conditions; fault history cleared and logged
③ Parameter Verification — Factory default parameters confirmed via DriveExplorer or DriveExecutive software; all parameters documented
④ Packaging & ESD Protection — Anti-static bag, foam cushioning, and moisture-barrier packaging; each unit individually serial-number logged before shipment
Documentation Available Upon Request:
• Original Rockwell Automation product datasheet and user manual (publication 1305-UM001)
• Test report with power-on results and parameter snapshot
• Certificate of conformity (CoC)
• Commercial invoice and packing list for customs clearance
• ECCN classification and HTS code documentation for export compliance
How to Source This Part
Step 1 — Submit Your Inquiry
Contact us via the product page quote form, email at support@konmask.com, or WhatsApp/WeChat at +0086 19859288691. Provide your required quantity, delivery timeline, and any specific condition requirements (new, refurbished, or tested surplus).
Step 2 — Receive Confirmation Within 24 Hours
Our technical team will confirm stock availability, condition grade, lead time, and pricing within 24 business hours. For urgent requirements, same-day response is available for orders received before 14:00 CST.
Step 3 — Global Shipment & Documentation
We ship worldwide via DHL Express, FedEx International Priority, and sea freight for bulk orders. All shipments include full commercial documentation for customs clearance. Typical transit times: 3–5 business days to North America and Europe, 5–10 days to Southeast Asia, Middle East, and South America. Export compliance screening is performed on all international orders.
Application-Specific FAQ
Q: Can the 1305-BA09A-HA2 be used for pump control applications where the motor runs continuously at varying speeds for 24/7 operation?
A: Yes. The 1305-BA09A-HA2 is rated for continuous duty at its full 9.0 A output current within the 0–50°C ambient temperature range. For 24/7 pump applications, we recommend installing an input line reactor to reduce harmonic stress on the drive’s input rectifier, ensuring panel ventilation maintains ambient temperature below 45°C, and scheduling annual parameter verification as part of your preventive maintenance program. The drive’s built-in fault logging simplifies troubleshooting during routine maintenance windows.
Q: Is this drive compatible with Allen-Bradley SLC 500 PLCs for closed-loop conveyor speed control applications?
A: Yes. The 1305-BA09A-HA2 supports serial communication via the optional 1305 communication adapter, enabling DF1 protocol integration with SLC 500, MicroLogix, and PLC-5 controllers. For closed-loop conveyor applications, the PLC reads encoder or tachometer feedback and writes speed reference values to the drive via the serial link, achieving speed regulation of ±0.5% or better. Analog speed reference (0–10 VDC or 4–20 mA) is also supported for simpler open-loop conveyor control without PLC communication.
Q: What is the recommended installation approach for HVAC fan drive applications where the drive is located in a rooftop mechanical room with ambient temperatures reaching 45°C in summer?
A: The 1305-BA09A-HA2 is rated to 50°C ambient without derating, so 45°C operation is within specification. However, for rooftop mechanical room installations, we recommend: (1) mounting the drive vertically with minimum 100 mm clearance above and below for convection airflow; (2) installing a filtered ventilation fan in the enclosure if the panel is sealed; (3) using a NEMA 3R or IP54 enclosure to protect against condensation during temperature cycling; and (4) applying a conformal coating to the control board if the environment has high humidity or salt air exposure. These measures ensure reliable operation through seasonal temperature extremes common in HVAC mechanical room environments.
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