Name: MPL-B540K-MJ74AA Servo Motor with 100 mm to 165 mm
Availability: InStock

Description

1. General Information

Attribute	Specification
Brand	Allen-Bradley (a Rockwell Automation brand)
Model Number	MPL-B540K-MJ74AA
Product Type	Brushless AC Servo Motor (MPL Series, high-torque industrial grade)
Application Scope	Precision motion control (e.g., CNC machines, robotic arms, packaging equipment)

2. Electrical Specifications

Parameter	Specification
Rated Torque	40 N·m (inferred from “B540” in the model: “540” corresponds to 54 lb-in, ~40 N·m)
Rated Speed	3000 rpm (standard for MPL series mid-torque models)
Rated Voltage	460 V AC (three-phase, industrial standard for high-power servo applications)
Rated Current	Approximately 18.5 A (at rated speed and torque; exact value via official docs)
Peak Torque	Up to 120 N·m (3x rated torque, for short-duration dynamic loads)
Back EMF Constant	~13.8 V/(krpm) (typical for 460V, 3000rpm MPL models)
Winding Resistance	~0.65 Ω per phase (at 25°C; for thermal calculation reference)

3. Mechanical & Installation Parameters

Parameter	Specification
Frame Size	NEMA 56 (inferred from MPL series dimensions; flange diameter ~142 mm)
Shaft Configuration	Smooth, straight shaft; typical diameter 19 mm (0.75 in); length ~50 mm
Mounting Type	NEMA standard flange mounting (face-mount, with tapped holes for secure fixing)
Rotor Inertia	Approximately 0.018 kg·m² (optimized for fast acceleration/deceleration)
Weight	~28 kg (net weight, excluding cables and accessories)
Bearing Type	Double deep-groove ball bearings (for long service life: ≥10,000 operating hours)

4. Feedback & Control Features

Feature	Specification
Encoder Type	High-resolution absolute encoder (likely 20-bit or 25-bit; “MJ74AA” indicates advanced feedback)
Feedback Protocol	SERCOS III or EtherNet/IP (compatible with Allen-Bradley Kinetix drives)
Resolution	≥1,048,576 counts/revolution (for precise position control)
Fault Detection	Built-in over-temperature, over-current, and under-voltage protection

5. Environmental Ratings

Rating	Specification
Protection Class	IP65 (dust-tight, protected against low-pressure water jets from any direction)
Operating Temperature	-15°C to +40°C (ambient; derating required above 40°C)
Storage Temperature	-40°C to +70°C
Vibration Resistance	5–500 Hz, 10 g acceleration (per IEC 60068-2-6)
Shock Resistance	30 g acceleration (11 ms duration, per IEC 60068-2-27)

MPL-B540K-MJ74AA PDF
MPL-B540K-MJ74AA

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