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Allen Bradley 1305-BA04A Bulletin 1305 adjustable frequency AC drive

Allen Bradley 1305-BA04A Bulletin 1305 adjustable frequency AC drive

 
 
 
 
 
 
 
 
 
 
ALLEN-BRADLEY · BULLETIN 1305
1305-BA04A
Adjustable frequency AC drive for variable-speed motor control in industrial automation applications.
DRIVE CLASS
2 HP
1.5 kW motor power
INPUT / MOTOR POWER
380–460 V · 50/60 Hz
 
 
ADJUSTABLE FREQUENCY DRIVE Industrial motor speed control · 1305 series
INPUT
380–460 V
50/60 Hz
POWER
1.5 kW
2 HP
OUTPUT
4.0 A
rated current
SERIES POSITION
Bulletin 1305 adjustable frequency AC drive family.
CURRENT LIMIT
Motor full-load current should remain within the drive output-current rating.
Industrial AC drive replacement support
Suitable for maintenance, retrofit and spare-part requirements involving existing 1305 installations.
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ALLEN-BRADLEY / BULLETIN 1305
1305-BA04A
 
Adjustable Frequency AC Drive

The 1305-BA04A belongs to the Allen-Bradley Bulletin 1305 adjustable frequency AC drive family and is configured for three-phase 380–460 V AC applications. Its 1.5 kW (2 HP) rating and 4.0 A output rating make it a practical fit for compact motor-speed control duties where configurable frequency control, acceleration/deceleration adjustment and multiple control interfaces are required.

380–460 V AC 1.5 kW / 2 HP 4.0 A
DRIVE PROFILE
1305
BA04A
 
3-Phase AC Drive
380–460 V AC
0–400 Hz Programmable Output
 
WHY THIS MODEL
Compact Power, Flexible Control

The 1305 family combines programmable V/Hz control, configurable acceleration and deceleration, multiple stopping modes, current limiting and electronic motor overload protection in a compact AC drive platform.

 

Programmable Frequency
Output frequency can be programmed from 0 to 400 Hz.
Flexible Ramping
Two independently adjustable acceleration and deceleration times are available.
Multiple Control Sources
Discrete control, 0–10 V and 4–20 mA analog inputs can be used according to configuration.
Communication Options
Optional communication adapters support interfaces including Remote I/O and serial communication configurations.
TECHNICAL CORE
1305-BA04A
 

The BA04A configuration is the 2 HP member of the 380–460 V three-phase portion of the Bulletin 1305 range. At 380 V input, its rated output current is 4.0 A; at 415 V and 460 V, the corresponding listed current capability is higher than the 380 V base value, subject to the applicable drive conditions and derating requirements.

Parameter 1305-BA04A Specification
Drive Family Allen-Bradley Bulletin 1305 Adjustable Frequency AC Drive
Input Voltage 380–460 V AC, three-phase, 50/60 Hz
Input Operating Range 340–500 V, 47–63 Hz
Motor Rating 1.5 kW / 2 HP
Output Current 4.0 A at 380 V input; 5.3 A at 415 V; 4.8 A at 460 V under the listed rating conditions
Output Voltage Adjustable from 0 V to input voltage
Output Frequency 0–400 Hz programmable
Enclosure NEMA Type 1 / IP30 standard
Cooling Natural convection; no fan
Operating Temperature 0 to 50 °C
Storage Temperature −40 to 70 °C
Relative Humidity 0–95%, non-condensing
Altitude Derating required above 1,000 m; 6% of rated drive amps per additional 1,000 m
Efficiency 97.5% typical
Designed Around Control

The 1305 architecture provides more than basic frequency conversion. Its control functions include programmable V/Hz operation, DC boost, current limiting, multiple stopping modes, preset speeds and configurable input/output behavior.

V/Hz Control
Programmable V/Hz ratio with adjustable start and run boost.
Current Limiting
Current limit can be programmed from 20% to 150% of drive rated current.
Stopping Modes
Ramp, coast, DC brake and S-curve stopping are supported.
Motor Protection
Electronic overload protection is adjustable from 20% to 115% of motor FLA.
CONTROL INTERFACE
Signal Flexibility
Discrete Inputs
Start, stop, forward/reverse and jog functions can be configured through contact-closure inputs.
Preset Speeds
SW1/SW2/SW3 provide configurable selection of preset speeds and acceleration/deceleration functions.
Analog Input
4–20 mA and 0–10 V DC analog inputs are supported with 10-bit resolution.
Analog Output
0–10 V DC analog output with selectable monitoring function.
OUTPUT STAGE
3-Phase IGBT

The drive uses a three-phase output stage with sine-weighted PWM. Carrier frequency is adjustable from 2 kHz to 8 kHz in 100 Hz increments, with output-current derating above 4 kHz.

FAMILY POSITIONING
Bulletin 1305 Series

The Bulletin 1305 family covers multiple motor ratings across 200–230 V and 380–460 V AC three-phase configurations. The BA04A occupies the 2 HP / 1.5 kW position within the 380–460 V group, between the smaller BA03A and larger BA06A configurations.

Model Voltage Class Motor Rating Rated Output Current
1305-BA01A 380–460 V AC 0.37 kW / 0.5 HP 1.3 A at 380 V
1305-BA02A 380–460 V AC 0.55 kW / 0.75 HP 1.6 A at 380 V
1305-BA03A 380–460 V AC 0.75 kW / 1 HP 2.3 A at 380 V
1305-BA04A 380–460 V AC 1.5 kW / 2 HP 4.0 A at 380 V
1305-BA06A 380–460 V AC 2.2 kW / 3 HP 6.0 A at 380 V
1305-BA09A 380–460 V AC 4.0 kW / 5 HP 9.0 A at 380 V
For replacement selection, the key checks are the voltage class, motor rating, output current, enclosure configuration and installed options. A same-family model should not be substituted solely by physical similarity.
FIELD FIT
Application Logic

The 1305-BA04A is best considered where a three-phase induction motor requires adjustable-speed operation and the installation can accommodate the drive's 380–460 V input class and 2 HP output rating.

Conveyor Speed Control

Useful where motor speed needs to be adjusted through preset frequencies, analog reference or configured control inputs.

Machine Auxiliary Drives

The 2 HP rating suits smaller auxiliary motor duties where programmable acceleration and stopping behavior are important.

Process Equipment

Analog speed references can be integrated into control schemes using 0–10 V or 4–20 mA signals.

Legacy Drive Replacement

For replacement work, matching voltage, motor current, options and control architecture is essential before ordering.

SERVICE VIEW
Common Diagnostic Scenarios
Motor does not accelerate properly

Check motor connections, mechanical loading, control input states, acceleration settings, current limit and boost parameters.

Speed command is incorrect

Confirm the selected frequency source and verify the configured frequency command or active adapter.

Drive will not operate without HIM

Verify the SW1/SW2/SW3 configuration and confirm the frequency source and command settings.

Adapter-related fault

Check the Logic Mask, confirm the adapter is not the active frequency source, and inspect the communication connection.

Amikon industrial automation Amikon automation components Amikon industrial spare parts
AMIKON INDUSTRIAL AUTOMATION
Spare Parts When Production Cannot Wait

Amikon supports industrial automation users with sourcing and supply of PLC modules, control-system components, drive equipment and operational spare parts across multiple established automation platforms.

Our industrial automation coverage includes:

HIMA, ABB DCS and AC800F/AC800M, ABB and KUKA robot spare parts, Allen-Bradley / Rockwell, ICS Triplex Trusted systems, TRICONEX, Woodward, GE turbine and control components, Yokogawa CS3000, Bently Nevada 3500 systems, Emerson DeltaV, CSI 6500, epro and related monitoring components.

Global sourcing • Faster response • Reduced equipment downtime
PURCHASE DETAILS
Ready for Procurement

To speed up quotation and compatibility checking, please provide the following five items with your inquiry.

Part Number Quantity
Destination Required Date
Machine / System
Delivery: 3–5 days Warranty: 12 months
Condition: Brand New Payment: T/T
Delivery way: E-packing / FedEx / EMS / TNT / DHL / UPS
PURCHASING QUESTIONS
1305-BA04A FAQ
Q1. Why is the 1305-BA04A a better match for a 2 HP 460 V motor than a lower-rated 1305 model?
The 1305-BA04A is specifically rated at 1.5 kW / 2 HP in the 380–460 V three-phase group, with a listed 4.0 A output rating at 380 V. Selecting a lower-rated model can leave insufficient current capacity for the intended motor duty.
Q2. Can the 1305-BA04A accept both 0–10 V and 4–20 mA speed references?
Yes. The Bulletin 1305 control architecture provides both 0–10 V DC and 4–20 mA analog inputs. The two inputs have different input impedances and are non-isolated, so the signal source and grounding arrangement must be evaluated during integration.
Q3. What should be checked before replacing an existing 1305-BA04A with another 1305 drive?
Verify the incoming voltage class, motor full-load current, required horsepower, enclosure, installed HIM configuration, active communication adapter and control-source arrangement. Matching only the catalog number family is not enough when the original installation uses optional interfaces.
Q4. Why might a 1305-BA04A need derating in an existing machine installation?
Several operating conditions affect the usable rating. The drive's output current must be derated when PWM frequency is above 4 kHz, and altitude above 1,000 m requires additional derating. Ambient temperature and motor duty also need to be considered.
Q5. What is the most important diagnostic check when a 1305-BA04A motor does not accelerate correctly?
Start with the motor connection and mechanical load, then check the control-input state and the programmed acceleration time. If the issue remains, verify Current Limit, DC Boost, Start Boost and Run Boost settings because these directly influence acceleration behavior.
ADDITIONAL INDUSTRIAL PARTS
Recommended Models

A mixed selection of industrial automation components is shown below for different control, power, sensing, communication and instrumentation requirements.

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HC4380 ADAM-4520 140NOM21100 VAV-SDZ-K2-A
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KHA7-IPS FSM500 2CDG 110 144 R0011 VAV-SD2A
AFTER-SALES
Return & Replacement

Please contact us within 7 days after receiving the item if any issue occurs.

Returned items must remain in their original condition and be accompanied by a specific reason for the return. After the returned item is received and checked, we can arrange a return or replacement according to the case.

Shipping costs arising from the return are the buyer's responsibility.

 
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Allen-Bradley 1305-BA04A · Bulletin 1305 Adjustable Frequency AC Drive · 380–460 V AC · 1.5 kW / 2 HP
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