150-F201NBRB SMC Flex Smart Motor Controller

Core Technical Specifications

• Controller Rating: 201 A with 75‑150 Hp @ 460V AC for line‑connected motors.
• Delta Configuration: Supports 116‑348 A and up to 350 Hp @ 575V AC.
• Control Voltage: 24V AC/DC with low input OFF‑state current below 10 mA AC.
• Trip Classes: Selectable 10, 15, 20, and 30 with trip current at 117% of motor FLC.
• Internal Bypass: Built‑in to reduce heat and improve energy efficiency.
• Operating Temperature: Open type works from ‑5 °C to 50 °C (23 to 122 °F).
• Short‑Circuit Protection: Type 1 coordination with max 70kA @ 690V for maximum FLC.
• dv/dt Protection: RC snubber network protects power circuit from voltage spikes.
• PTC Input: Accepts motor thermistor with response time 800 ms and trip resistance 25 Ω ±10 Ω.

Environmental & Mechanical Ratings

• Protection: IP2X with terminal covers per IEC; pollution degree 2.
• Altitude & Climate: Operates up to 2000 m with humidity 5‑95% noncondensing.
• Vibration & Shock: Withstands 1.0 G peak vibration and 5.5 G operational shock.
• Weight & Dimensions: 30.4 kg; measures 560 mm (H) x 225 mm (W) x 253.8 mm (D).
• Power Terminals: Two M10 x 1.5 diam holes per power pole; line/load side heavy‑duty.
• Control Terminals: Clamping yoke connection with M3 screw clamp for reliable wiring.

Frequently Asked Questions

• Q: What motor sizes does the 150-F201NBRB support?
  A: It handles 75‑150 Hp at 460V line‑connected and up to 350 Hp delta‑connected at 575V AC.
• Q: Does this model include internal bypass?
  A: Yes, 150-F201NBRB has built‑in internal bypass to reduce heat and wear after starting.
• Q: What trip classes are available?
  A: You can select trip class 10, 15, 20, or 30 to match your motor application.
• Q: Can I use this with pump control applications?
  A: Absolutely, the controller features dedicated pump control logic and smooth ramp profiles.
• Q: What is the maximum short‑circuit current rating?
  A: It withstands up to 70kA @ 690V when protected by appropriate class J or L fuses.
• Q: Is the control voltage 24V AC and DC compatible?
  A: Yes, it accepts 24V AC/DC with wide tolerance and low power consumption.

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