The Allen-Bradley 150-C251NBD smart motor controller is an SMC 3 series smart motor controller. It operates with a control voltage rating of 100 to 240 Volts AC at a frequency rating of 50 to 60 Hertz. The 150-C251NBD smart motor controller can control different kinds of line-connected and Delta-connected motors. Some of the starting modes that this controller supports include the selectable kickstart, the soft start, and the current limit start modes. The stopping modes that the 150-C251NBD smart motor controller supports include the soft stop and the coast-to-rest stop modes.
Technical specifications for 150-C251NBD
| Manufacturer | Allen Bradley |
|---|---|
| Category | Drives |
| Product Line | SMC-3 |
| Part Number | 150-C251NBD |
| UPC | 662074692903 |
| Weight | 61.00 lbs (27.67 kg) |
| Control Voltage | 100-240 VAC |
| Enclosure Type | Open |
| Product Description | Smart Motor Controller (SMC) |
| Input Line Voltage | 200-460 VAC |
| Input frequency | 50 / 60 Hz |
| Output Current | 0-251 A |
| Supported functions | Soft Start; Selectable kickstart; Current limit start; Cost-to-rest and Soft Stop. |
| Mounting | Panel Mount |
| Selectable Start Times | 2, 5, 10, 15, 20, 25, or 30 s |
| Selectable Initial Torque | 15%, 25%, 35%, and 65% of locked rotor torque |
| Selectable Current Limit | 150%, 250%, 350%, and 450% of full load current |
| Current Rating | 251 A |
| Rated Voltage | 200-460V AC |
| Input Line | 200-460V AC, 3-Phase, 50/60 HZ |
| Wiring | 3-Wire |
| Compatibility | Delta Compatibility |
Description
The Allen-Bradley 150-C251NBD is an SMC-3 Smart Motor Controller. This device is commonly termed as a Soft-Starter, used with 3-Phase motors for implementing motor protection and lowering energy consumption. This device contributes to increased operational intelligence and comes with integral protection features such as Overload Protection, bypass, as well as advanced motor diagnostics. This device is provided with embedded DIP and rotary switches for simplified configuration.
The 150-C251NBD is capable of implementing the desired motor control functions using embedded functions such as Soft start, Current Limit Start, Selectable Kickstart, Coast-to-rest, and Soft Stop. With these options, motor operation becomes more efficient with lowered operational and safety risks.
The 150-C251NBD can be operated at an input line voltage of 200-460 Volts AC, 3-Phase along a frequency of 50 / 60 Hertz while the device’ control voltage is rated 100-240 Volts AC. Additionally, it has a applicable motor output of 251 Amperes.
The 150-C251NBD’s configurable functional settings include 2, 5, 10, 15, 20, 25, or 30 seconds for Start Times; 15%, 25%, 35%, and 65% Initial Torque; 150%, 250%, 350%, and 450% of full load current; Kick start 0, 0.5, 1.0, or 1.5 seconds; Selectable soft stop or Off, 100%, 200%, or 300% of the start time setting when wired and Overload Trip class of Trip Class 10, 15, or 20.
This controller has a Power Dissipation of 147 Watts and Overload current range of 84-251 Amperes. It has an operating temperature range of -5…+50 °C (23…122 °F) and operating altitude of 2000 meters (6560 feet). It has an operational shock of 15 G and operating vibration of 1.0 G Peak, 0.15 millimeters (0.006 inches) displacement.
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