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Chiaravalli CHT 132 three-phase aluminium motor (chiaravalli.com product image)
Chiaravalli

CHT 132 Three-Phase Aluminium Motor (3–7.5 kW)

Electric Motors — aluminium

CHT 132 three-phase aluminium motor — Chiaravalli's IEC frame 132 motors in the IE3 efficiency class, 2 / 4 / 6-pole, 3–7.5 kW. Aluminium casing, IP55, class F insulation, IC411 fan cooling, 230/400 V 50 Hz (Δ 400 V from frame 132). Mounting B3, B5 or B14 — the dimension sheets give the frame 132 mounting dimensions.

How to pick from the table: choose the pole count for the speed you need, then the power; the efficiency class is IE3 from 0.75 kW up (IE1 below that) — we supply IE3 and above only from 0.75 kW. The type letter is the motor's length designation within the frame. Voltage 400/690 V standard from frame 160 (other sizes on request); brake motors and Siemens motors available on request.

Product Configuration

Select a row to add it to your quote

Three-phase Δ/Y 230/400 V (≤112) · Δ 400 V (≥132), 50 Hz; IP55, insulation class F, IC411 cooling; efficiency to IEC 60034-30 / 60034-2-1.

CodeTypeEfficiency classPolesPowerSpeedTorqueCurrent at 400 VEfficiencycos φEfficiency at 75 %Efficiency at 50 %Ms / MnMmax / MnIs / InJ0 Weight
CHT 132 S6 IE3 S6 IE3 6 3 kW — 30.48 Nm 6.84 A 58.6 % 0.74 — — — — — — 40.0 kg
CHT 132 MA6 IE3 MA6 IE3 6 4 kW — 40.42 Nm 8.99 A 86.8 % 0.74 — — — — — — 47.5 kg
CHT 132 SA2 IE3 SA2 IE3 2 5.5 kW — 18.08 Nm 10 A 89.2 % 0.89 — — — — — — 44.2 kg
CHT 132 S4 IE3 S4 IE3 4 5.5 kW — 36.73 Nm 10.5 A 89.6 % 0.84 — — — — — — 48.0 kg
CHT 132 MB6 IE3 MB6 IE3 6 5.5 kW — 55.58 Nm 12.7 A 88 % 0.71 — — — — — — 55.4 kg
CHT 132 SB2 IE3 SB2 IE3 2 7.5 kW — 24.61 Nm 13.4 A 90.1 % 0.9 — — — — — — 52.0 kg
CHT 132 M4 IE3 M4 IE3 4 7.5 kW — 50.08 Nm 14.3 A 90.4 % 0.84 — — — — — — 58.2 kg

Product Information

Reading the table

Each row is one motor of this frame size: the type letter and pole count (a 4-pole motor runs at about 1500 r/min on 50 Hz, 2-pole about 3000, 6-pole about 1000), the efficiency class, rated power, speed, rated torque, current at 400 V, efficiency and power factor. "Show starting and part-load data" adds the starting torque and current ratios (Ms/Mn, Mmax/Mn, Is/In), the rotor inertia J0 and, for IE3 / IE4 motors, the efficiency at 75 % and 50 % load.

Efficiency classes

From January 2017 the EU regulation (CE) 640/2009 requires motors of 0.75 to 375 kW with 2, 4 or 6 poles sold in the European market to be at least IE3. Nusaf supplies IE3 and above only from 0.75 kW up — IE1 motors are listed below 0.75 kW only. Efficiency figures follow IEC 60034-30 / 60034-2-1.

Fitting to a gearbox

The frame size is the IEC size the gearbox flange is specified by — a gearbox listed for "IEC 80" takes a frame 80 motor in B5 or B14. Mounting B3 (foot), B5 (flange) and B14 (face flange) dimensions are on the dimension sheets.

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