Product Model
150-C251NBD
Selling Points
- 11. Precise Control: The Allen Bradley 150-C251NBD offers a 40V AC control circuit, ensuring precise control over motor operations.;
- 22. High Current Capacity: With the ability to handle 250% full load current, this controller is ideal for demanding industrial applications.;
- 33. True Motor Overload Protection: The controller includes true motor overload protection, ensuring the motor's safety and extending its lifespan.;
- 44. Flexible Start Times: Selectable start times (2, 5, 10, 15, 20, 25, or 30 seconds) allow for customized motor start sequences.;
- 55. Integrated Soft Stop: The integrated soft stop feature provides smooth motor start and stop operations, reducing wear and tear on the motor.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
Dimension Unit | CM | Weight Unit | KG |
Stock Status | STOCKED | Dimension Length | 37.01 |
Dimension Width | 32.0 | Lead Time | 5 |
Dimension Height | 65.99 | Quick Turnaround | false |
Preferred Availability | false | Repairable | REPAIRABLE |
Enclosure | Open type | Power pole holes | Two M10 x 1.5 diam holes per power pole for load power terminals |
Number of poles | Equipment is designed for 3-phase only for power circuit | Mounting hole size | 11.5 mm |
Pollution degree | 2 | Altitude | 2000 m |
EMC immunity levels | Surge transient: per EN/IEC 60947-4-2 per IEC | EMC emission levels | Radiated emission: Class A per IEC |
Operating temperature | Open: -5 to 50 °C (23 to 122 °F) | Humidity | 5...95% noncondensing |
Rated surrounding temperature range without derating | -5 °C | Storage and transportation temperature | -25 °C |
Steady state heat dissipation | 147 W | Selectable soft stop | Off, 100%, 200%, or 300% of the start time setting when wired |
Selectable initial torque | 15%, 25%, 35%, and 65% of locked rotor torque | Selectable kick start - 450% FLA | 0, 0.5, 1.0, or 1.5 s |
Function | Single direction | Internal bypass | Yes |
Tightening torque | 0.45...0.9 Nm (4.0...8.0 in-lb) for control terminals | Break | TB-97, -98 (OVLD/Fault): 72VA for auxiliary contacts |
Make | TB-97, -98 (OVLD/Fault): 432VA for auxiliary contacts | Vibration | Opsal: 1.0 G peak, 0.15 mm (0.006 in) displacement |
Cable size | 0.2...2.5 mm2 (24...14 AWG) for control terminals | Height | 560 mm (22.05 in) |
Depth | 265.3 mm (10.45 in) | Width | 225 mm (8.86 in) |
Shock | Opsal: 15 G | Weight | 32.0 |
Degree of protection (IP) | IP2X | Input ON-state current (IN1, IN2) | 9.8mA @ 120V AC/19.6mA @ 240V AC for control circuit, 7.3mA @ 24V AC/DC for control circuit |
Input ON-state voltage, during start (IN1, IN2) | 85V AC @ 19.2V DC/19.2V AC minimum for control circuit | Selectable current limit | 150%, 250%, 350%, and 450% of full load current |
Input OFF-state voltage (IN1, IN2), max | 40V AC @ 17V DC/12V AC for control circuit | Selectable start times | 2, 5, 10, 15, 20, 25, or 30 s |
Selectable overload trip class | Trip Class 10, 15, or 20 | Short circuit protection device performance (SCPD) type | Type 1 |
Integrated motor overload protection | Yes | Standard available fault current, max | 18 kA @ maximum standard fuse 700 A for line device opsal current rating |
Standard controller feature | Soft stop | Rated operational current, max | TB-97, -98 (OVLD/Fault): 0.6A @ 120V AC and 0.3A @ 240V AC for auxiliary contacts |
Utilization category | TB-23, -24 (normal/up-to-speed), TB-33, -34 (normal/up-to-speed): C300/R150 per UL/CSA/NEMA for Side mount auxiliary contacts | Type of contacts | TB-97, -98 (OVLD/Fault): Normally Open (N.O.) for auxiliary contacts |
Type of control circuit | TB-97, -98 (OVLD/Fault): Electromagnetic relay for auxiliary contacts | Conventional thermal current (Ith) | TB-97, -98 (OVLD/Fault): 1 A for auxiliary contacts |
Type of current | TB-97, -98 (OVLD/Fault): AC/DC for auxiliary contacts | High capacity available fault current, max | 70kA @ 600V, maximum current 800 A time delay Class J or Class L fuse for inside delta connected motors |
Number of contacts | TB-97, -98 (OVLD/Fault): 1 for auxiliary contacts | Short-circuit protection device list | Non-time delay Thermal magnetic circuit breaker High capacity time delay class CC/J/L |
Input OFF-state current | <10 mA, <12 mA @ input OFF-state voltage (IN1, IN2) for control circuit | Rated control power during start with fan | 200mA @ 120V AC/120mA @ 240V AC, 600mA @ 24V AC/DC |
Rated operational voltage | 250V AC/30V DC per UL/CSA/NEMA for Side mount auxiliary contacts | Insulation voltage | Rated 600V AC per UL/CSA/NEMA for power circuit |
Dielectric withstand | 2500V AC per IEC for power circuit | Rated impulse voltage | 6 kV for power circuit |
Overvoltage category | III per IEC for side mount auxiliary contacts | Operating frequency | 50/60 Hz per UL/CSA/NEMA for power circuit |
Repetitive peak voltage | 1400V per UL/CSA/NEMA for power circuit | DV/DT protection | 1000V/μs for power circuit |
Controller type | SMC-3 | Overload current | 84 A |
Fan power rating | 40 VA | Rated control supply voltage at AC 60 Hz | 100 |
Rated control supply voltage at AC 50 Hz | 100 | Rated operating voltage Ue | 200 |
Voltage type for actuating | AC/DC | With display | No |
Product Family | SMC-3 |
Specifications may be subject to change without notice