ECMA-LA1855R3 Delta Servo Motor 5500W H , Torque Nm - 35.01 , RPM - 1500

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ECMA-LA1855R3 Delta Servo Motor 5500W H , Torque Nm - 35.01 , RPM - 1500 Specification

Sealed Type
Packing seal

Product Type
Servo Motor

Usage & Applications
Industrial Machinerry

Color
Black and Silver

Weight
34 Kilograms (kg)

Phase
Three Phase

Warranty
1 Year

Material
Aluminum

ECMA-LA1855R3 Delta Servo Motor 5500W H , Torque Nm - 35.01 , RPM - 1500 Trade Information

Minimum Order Quantity
1 Number

Delivery Time
24 Hours

About ECMA-LA1855R3 Delta Servo Motor 5500W H , Torque Nm - 35.01 , RPM - 1500

Core Functions

Precision Absolute Positioning: Equipped with a 17-bit absolute encoder, it provides a resolution of 131,072 pulses per revolution. It retains exact coordinate data without a battery backup, allowing for immediate operation upon restart without a homing sequence.
Load Stability (Medium-High Inertia): Its medium-high inertia design functions as a mechanical buffer, preventing vibrations and resonance common in high-power motors when moving massive or unbalanced loads.
High Torque Performance: It delivers a steady 35.01 Nm of torque (peaking at 87.53 Nm) at a rated 1500 RPM. This makes it ideal for machines requiring high continuous force rather than raw speed.
Advanced Suppression Features: When used with its drive, it utilizes superlative vibration suppression to minimize machine-edge movement and auto-notch filters to eliminate mechanical resonance automatically. [1, 2, 4, 5, 6, 7]

Advanced Motion Features

When integrated with a matching Delta A2 drive, it enables:

Electronic Cam (E-CAM): Built-in functionality for up to 720 points, specifically used for flying shears, rotary cut-offs, and synchronized motion.
Full Closed-Loop Control: Direct interface to external linear scales ensures positioning precision at machine edges by compensating for backlash.
Flexible Pr Mode: Internal position editing for defining complex motion paths freely. [1, 2, 3, 4, 5, 6]

Typical Applications

CNC Boring & Milling: Powering primary axes where high cutting resistance requires constant torque.
Robotic Arms: Driving heavy joints that require high torque and absolute position feedback.
Industrial Material Handling: Precision control for conveyors and gantry systems. [1, 2, 3, 4, 5]

The Delta ECMA-LA1855R3 is a high-power 5.5kW absolute-type servo motor from the 400V ASDA-A2 series. It is engineered for the heaviest industrial applications requiring massive torque and permanent position awareness.

Dimensions & Weight

Attribute	Measurement (Inches)	Measurement (Metric)
Total Length	~11.18 in	284 mm
Height (Frame)	7.09 in	180 mm
Width (Frame)	7.09 in	180 mm
Shaft Diameter	1.654 in	42 mm
Shaft Length	4.449 in	113 mm
Net Weight	~74.96 lbs	34.0 kg

Key Technical Notes

Maximum Torque: Delivers a rated torque of 35.01 Nm and can peak at a massive 87.53 Nm.
High Stability (LA Series): Features Medium-High Inertia, which acts as a mechanical stabilizer for very large mechanical structures, preventing resonance and "hunting" during high-power movements.
Absolute Position Memory: Equipped with a 17-bit absolute encoder. It eliminates the need for homing sensors because it always knows its physical coordinates, even after a power cycle.
S3 Suffix: Denotes a shaft with a keyway, oil seal, and screw hole, but without a brake.
Reinforced Shaft: To handle the 5.5kW power, it uses a larger 42 mm shaft, providing higher shear resistance compared to the 35 mm shafts on smaller models.