Allen-Bradley PowerFlex 70 70, PowerFlex 700 700 PowerFlex package Installation Instructions

PowerFlex 70 and 700 packages are designed for fan and pump applications. These packages combine an adjustable frequency AC drive with a means for disconnecting input power in one assembly. The packages are available in two styles: main input disconnect (style A) and three-contactor full-feature bypass with disconnect (style B). The PowerFlex 70 and 700 drives include features like autotune, speed/torque mode, and a variety of communication options.

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PowerFlex 70 and 700 Packages Installation Instructions | Manualzz

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Key features

  • Main Input Disconnect (style A)
  • Three-contactor full-feature bypass with disconnect (style B)
  • Autotune
  • Speed/Torque Mode
  • Communication Options
  • Door interlocked fuse disconnect switch
  • Allen-Bradley Bulletin 194R fused disconnect switch
  • UL Class J, 600V fuses

Frequently asked questions

The Style A package includes a main input disconnect switch, while the Style B package includes a three-contactor full-feature bypass with disconnect. Style A has a fused disconnect switch for disconnecting input power. Style B has a three-contactor bypass with a disconnect switch.

The recommended fuse type is UL Class J, 600V. The specific fuse ratings are listed in Table 1 on page 12 of the manual.

The PowerFlex drives include features such as autotune, speed/torque mode, and communication options. Refer to the PowerFlex 70 Adjustable Frequency AC Drives User Manual, publication 20A-UM001, or the PowerFlex 700 Adjustable Frequency AC Drive User Manual, publication 20B-UM001, for detailed information on parameters and programming.

Connect the three-phase AC input power leads (three-wire VAC) to the appropriate terminals. Connect the AC input power leads to terminals L1, L2, and L3 on the fused disconnect switch. Tighten the AC input terminal power terminals to the proper torque according to drive type as shown in Table 2.

Connect the three-phase AC output power motor leads to terminals U, V, and W (T1, T2, and T3) on the power terminal block on the drive. Tighten the three-phase AC output power terminals to the proper torque according to drive type as shown in Table 3.
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