Dynamic-brake path
A compatible brake module provides an external path for regenerated energy when the load and stopping profile require it.
Stopping160-AA08NSF1 / 160-AA12NSF1Allen-Bradley 230 V analog signal follower drives
Bulletin 160 Series C SSC · exact-model technical comparison
Product Details
At the upper end of the 230 V Bulletin 160 compact range, Allen-Bradley 160-AA08NSF1 / 160-AA12NSF1 are SF1 analog signal follower drives rated for 1.5 and 2.2 kW motor outputs. Their input converter supplies the DC link, and the PWM inverter turns the regulator command into variable-frequency motor power.
The SF1 control section of 160-AA08NSF1 / 160-AA12NSF1 accepts a low-level analog speed reference separately from digital run and direction inputs. AA12 supplies the higher continuous current and creates more cabinet heat than AA08, so conductor, branch-device, and thermal choices remain attached to the exact model even though terminal functions are shared.
Specification Summary
Technical Item160-AA08NSF1160-AA12NSF1
| Brand | Allen-Bradley | |
|---|---|---|
| Product Type | Bulletin 160 SSC variable-speed drive | |
| Product Family | 160 Series C | |
| Input Voltage | 200…240 V AC, single-phase or three-phase | |
| Interface Option | SF1 analog signal follower | |
| Motor Output | 1.5 kW (2 hp) | 2.2 kW (3 hp) |
| Output Current | 8.0 A | 12.0 A |
| Maximum Heat Dissipation | 74 W | 107 W |
| Approximate Weight | 1.02 kg | 1.10 kg |
| Output Frequency | 0…240 Hz | |
| Drive Efficiency | 97.5% | |
| Enclosure | IP20 open type | |
| Cooling | Natural convection; fan on larger frames where specified | |
| Operating Temperature | 0…50 °C | |
| Relative Humidity | 0…95%, noncondensing | |
| Altitude | 1000 m without derating | |
| Digital Inputs | Three programmable inputs plus start/stop control | |
| Analog Command | 0…10 V DC or 4…20 mA | |
Safety and Compliance — Power-Line Conditions
The supply environment around 160-AA08NSF1 / 160-AA12NSF1 determines whether additional isolation or impedance is required.
Grounded supply system
Protective earth and the drive grounding point form the intended fault-current path.
Disturbance assessment
Ungrounded systems, line transients, or very low source impedance require evaluation before connection.
Service boundary
Disconnecting and waiting for stored bus energy are required before touching power or accessory terminals.
Selection and Use Questions
When should braking hardware be reviewed for 160-AA08NSF1 / 160-AA12NSF1?
Review approved braking hardware for 160-AA08NSF1 / 160-AA12NSF1 when load inertia and stop time return more energy than the drive can manage through normal deceleration.
Why is a line-condition check important before installing 160-AA08NSF1 / 160-AA12NSF1?
The supply feeding 160-AA08NSF1 / 160-AA12NSF1 may require added impedance or isolation when it is ungrounded, transient-prone, or unusually stiff; the assessment belongs to the actual installation.
What separates an SF1 control fault from a power-stage fault on 160-AA08NSF1 / 160-AA12NSF1?
For 160-AA08NSF1 / 160-AA12NSF1, first verify the analog command and digital run logic, then check displayed faults, line input, DC bus, and motor output. This separates command absence from inhibited power conversion.
Can 160-AA08NSF1 / 160-AA12NSF1 use one braking resistor without calculation?
No. The braking arrangement for 160-AA08NSF1 / 160-AA12NSF1 must satisfy the approved module, resistance, duty, regenerated energy, and wiring requirements for the exact drive.
Why should power remain off after disconnecting 160-AA08NSF1 / 160-AA12NSF1?
The DC bus in 160-AA08NSF1 / 160-AA12NSF1 stores energy after line power is removed. Follow the specified discharge interval and verify voltage before accessing terminals.
Which suffix must appear on a quotation for 160-AA08NSF1 / 160-AA12NSF1?
Keep NSF1 in the complete 160-AA08NSF1 / 160-AA12NSF1 identity because it defines the analog signal follower interface in addition to the AA voltage class and output step.
Company Profile
MOORE AUTOMATION
https://www.mvme.cn/Moore Automation is an industrial automation spare-parts supplier serving international enquiries across control, drive, I/O, safety, and monitoring product families.
Control productsDrive productsI/O and safetyMonitoring parts
www.mvme.cn
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