The nameplate of an Ingersoll-Rand 3-M Type 112 M4 motor shows the following specifications: Nr. 28499, 55 kW, 400 V, 84 A (50Hz), 50 Hz, IP 55, Cos φ 0.84, 1428 min-1. Calculate the power factor and the full load current in Amperes.

June 10, 2026Physics

ScanSolve AI Answer

June 10, 2026

Here are the key specifications from the motor nameplate:

Manufacturer: INGERSOLL-RAND
Type: 3-M TYPE 112 M4
Rated Power: 55 kW
Rated Voltage: 400 V (Delta connection) / 690 V (Star connection)
Rated Current: 81 A (at 400 V) / 47 A (at 690 V)
Frequency: 50 Hz
Power Factor ( $\cos \phi$ ): 0.84
Rated Speed: 1428 min⁻¹ (RPM)
IP Protection Class: IP 55
Insulation Class: F

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Manufacturer: INGERSOLL-RAND Type: 3-M TYPE 112 M4 Rated Power: 55 kW Rated Voltage: 400 V (Delta connection) / 690 V (Star connection) Rated Current: 81 A (at 400 V) / 47 A (at 690 V) Frequency: 50 Hz Power Factor ( ): 0.84 Rated Speed: 1428 min⁻¹ (R…

Asked on June 10, 2026Physics

This physics problem tests your understanding of fundamental physical laws and their applications. The step-by-step solution below breaks down the problem using relevant equations and physical reasoning.

ScanSolve AI AnswerAnswered on June 10, 2026

Here are the key specifications from the motor nameplate: Manufacturer: INGERSOLL-RAND Type: 3-M TYPE 112 M4 Rated Power: 55 kW Rated Voltage: 400 V (Delta connection) / 690 V (Star connection) Rated Current: 81 A (at 400 V) / 47 A (at 690 V) Frequency: 50 Hz Power Factor ( ): 0.84 Rated Speed: 1428 min⁻¹ (RPM) IP Protection Class: IP 55 Insulation Class: F Drop the next question 📸