ECMA-FA1855S3 Delta Servo Motor 5500W H , Torque Nm - 35.01 , RPM - 1500

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ECMA-FA1855S3 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
38 Kilograms (kg)

Warranty
1 Year

Phase
Three Phase

Material
Aluminum

ECMA-FA1855S3 Delta Servo Motor 5500W H , Torque Nm - 35.01 , RPM - 1500 Trade Information

Minimum Order Quantity
1 Number

Delivery Time
24 Hours

About ECMA-FA1855S3 Delta Servo Motor 5500W H , Torque Nm - 35.01 , RPM - 1500

The Delta ECMA-FA1855S3 is a high-capacity 5.5kW AC servo motor engineered for high-torque and high-stability industrial automation, as highlighted on Delta AC Drives. [1, 2]

Electrical & Performance Specifications

Rated Power Output: 5.5 kW (5500 W)
Rated Torque: 35.01 Nm
Maximum Torque: 87.53 Nm (approx. 250% of rated), noted by Haina Automation
Rated Speed: 1500 RPM
Maximum Speed: 3000 RPM
Input Voltage: 220 VAC (Single or 3-Phase supported)
Rated Current: 40 Arms
Instant Max Current: 100 Arms
Response Frequency: Up to 1 kHz [1, 2, 3, 4, 5]

Mechanical & Environmental Specifications

Frame Size: 180 mm square
Shaft Diameter: 1.654 in (42 mm) with Keyway and Oil Seal
Shaft Length: ~4.449 in (113 mm), according to DigiKey
Rotor Inertia: 102.7 x 10 kgm (Medium-High Inertia)
Encoder: 17-bit Absolute encoder (131,072 pulses/rev)
Brake: Integrated electromagnetic holding brake included
Net Weight: ~85.98 lbs (39 kg)
IP Rating: IP65 (Dust-tight and resistant to water jets)
Operating Temp: 0C to 40C

The Delta ECMA-FA1855S3 is the top-tier "high-torque" powerhouse in the ASDA-A2 series, providing a massive 5.5kW of power. [1]

Dimensions & Weight

Attribute [1]	Measurement (Inches)	Measurement (Metric)
Total Length	~12.24 in	311 mm
Height (Frame)	7.09 in	180 mm
Width (Frame)	7.09 in	180 mm
Shaft Diameter	1.378 in	35 mm
Shaft Length	3.11 in	79 mm
Net Weight	83.78 lbs	38.0 kg

Key Technical Notes

Massive Torque: It delivers a rated torque of 35.01 Nm, with a peak torque capacity that can exceed 87 Nm for short bursts.
High Inertia (FA Series): This motor is designed with high rotor inertia to provide maximum stability. It is specifically intended for massive mechanical loads where low-inertia motors would suffer from uncontrollable vibration.
S3 Suffix (Brake + Keyway): The "S3" configuration typically denotes the inclusion of the electromagnetic holding brake and a shaft with a keyway and oil seal.
Mounting: Uses the standard 180mm square frame mounting with a hole spacing of 7.874 inches (200 mm). [1, 2]

Function

This motor acts as the primary driver for the heaviest industrial axes. Its 17-bit absolute encoder (131,072 pulses/rev) allows the machine to maintain its position without a battery, and the integrated brake ensures safety on vertical axes by holding the load firmly during power loss. [1]

Common Applications: