Run and direction logic
Programmable inputs determine the allowed operating state and direction.
Digital160-AA02NSF1 / 160-AA03NSF1 / 160-AA04NSF1Allen-Bradley 230 V analog signal follower drives
Bulletin 160 Series C SSC · exact-model technical comparison
Product Introduction
Allen-Bradley 160-AA02NSF1 / 160-AA03NSF1 / 160-AA04NSF1 combine a 200…240 V Bulletin 160 Series C power stage with the SF1 analog signal follower control interface. Three catalog steps cover successively higher motor current while the same reference path converts a field voltage or current into a requested output frequency.
In the control chain of 160-AA02NSF1 / 160-AA03NSF1 / 160-AA04NSF1, digital inputs authorize run and direction, the analog input establishes speed, and the regulator applies configured ramps and limits before driving the PWM output. Relay status returns a discrete operating condition without carrying the analog reference itself.
Key Product Data
Technical Item160-AA02NSF1160-AA03NSF1160-AA04NSF1
| 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 | 0.37 kW (0.5 hp) | 0.55 kW (0.75 hp) | 0.75 kW (1 hp) |
| Output Current | 2.3 A | 3.0 A | 4.5 A |
| Maximum Heat Dissipation | 20 W | 25 W | 35 W |
| Approximate Weight | 0.94 kg | 0.94 kg | 0.94 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 | ||
Performance Characteristics — 230 V Compact Range
160-AA02NSF1 / 160-AA03NSF1 / 160-AA04NSF1 share compact mechanics while providing three motor-current levels.
Low-voltage supply class
The AA family is tied to the 200…240 V power system and must not be applied to the BA voltage class.
Three capacity steps
Each catalog number defines its own sustained motor current within the common drive architecture.
Panel thermal contribution
Heat produced by the installed rating enters the enclosure and is included in cabinet temperature planning.
Ordering and Support Questions
Which input signal must be selected before commissioning 160-AA02NSF1 / 160-AA03NSF1 / 160-AA04NSF1?
For 160-AA02NSF1 / 160-AA03NSF1 / 160-AA04NSF1, determine whether the controller supplies 0…10 V or 4…20 mA, then align the SF1 selection, wiring, and scaling with that signal.
Why can 160-AA02NSF1 / 160-AA03NSF1 / 160-AA04NSF1 display a speed reference but remain stopped?
A valid reference does not replace the digital run conditions on 160-AA02NSF1 / 160-AA03NSF1 / 160-AA04NSF1. Check stop, enable, direction, and active fault states.
What causes a full-speed command from a partially ranged signal on 160-AA02NSF1 / 160-AA03NSF1 / 160-AA04NSF1?
Incorrect input mode or reference scaling on 160-AA02NSF1 / 160-AA03NSF1 / 160-AA04NSF1 can map the field signal to the wrong frequency span; verify both electrical mode and parameter limits.
How should the relay output of 160-AA02NSF1 / 160-AA03NSF1 / 160-AA04NSF1 be checked?
Confirm the programmed relay function and contact state of 160-AA02NSF1 / 160-AA03NSF1 / 160-AA04NSF1, then test the external circuit without applying a load beyond the contact rating.
Can the AA and BA versions of 160-AA02NSF1 / 160-AA03NSF1 / 160-AA04NSF1 be interchanged?
No. 160-AA02NSF1 / 160-AA03NSF1 / 160-AA04NSF1 belong to the 200…240 V class; a BA model uses a different line-voltage class even when the output power looks similar.
What makes a complete spare request for 160-AA02NSF1 / 160-AA03NSF1 / 160-AA04NSF1?
Include the full 160-AA02NSF1 / 160-AA03NSF1 / 160-AA04NSF1 catalog number, Series C context, SF1 interface, motor data, supply, wiring record, and protection details.
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