L402-011E18

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The L402-011E18 servo motor boasts a rated output of 39 W, a torque constant of 0.174 N·m/A, an armature resistance of 16.2 Ω, and a rated armature current of 0.82 A. From the Super DC Servo Motors series by Sanyo Denki, this motor achieves a maximum revolving speed of 3000 min⁻¹ and a rated torque of 0.11 N·m.

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Product Description:

Sanyo Denki is a renowned manufacturer of reliable motion control solutions applied in precision based automation applications. The L402-011E18 from Super DC Servo motor can provide the rated mechanical output of 23 watts that can be used in light duty motion applications. It makes an extensive application in small systems that need precise positioning and there is a need to maintain steady speed.

The L402-011E18 servo motor has a rated voltage of 20 volts direct current on the armature to ensure maximum efficiency is achieved. It also has a rated rotational speed of 3000 revolutions per minute so that smooth and accurate movements are maintained. The servo motor holding torque under continuous condition comes at 0.07 newton meters as it is supposed to have steady performance under stall condition. Its D cut output shaft assembly is created to make mechanical coupling easier and lessen slippage. The L402-011E18 servo motor internal incremental encoder provides feedback on position on a real time basis. Its electrical connection is done through the lead wire configuration to minimize the connector failures. The motor lead wire length is a total of 1000 millimeters to simplify routing installations. It has the rotor moment of inertia 0.00055 of kilogram meter squared to facilitate quick increase and decrease cycles.

The L402-011E18 servo motor has a strong feedback system as well as environmental protection to mount reliably in industrial environments. It is rated IP43 giving it fundamental environmental sealing of environments with moderate protection needs. The signal control has a dual interface consisting of an analogue and a digital pulse command. It is able to reliably go up to 0 C° to 40 C° Celsius in ambient temperatures. The servo motor can support ambient humidity from 90 percent without condensing which has made it fit most industrial environments.

Armature Inductance
4.2 mH
Armature Resistance
16.2 Ω
Electrical Time Constant
0.26 ms
Induced Voltage Constant
18.2 mV/min⁻¹
Maximum Revolving Speed
3000 min⁻¹
Mechanical Time Constant
4.5 ms
Momentary Maximum Stall Current
2 A
Momentary Maximum Stall Torque
0.323 N·m
Output Shaft
D-shaped
Rated Armature Current
0.82 A
Rated Armature Voltage
72 V
Rated Output
39 W
Rated Revolving Speed
3000 min⁻¹
Rated Torque
0.11 N·m
Torque Constant
0.174 N·m/A

Frequently Asked Questions about L402-011E18:

Q: Why is a D-cut shaft used in the L402-011E18 servo motor?

A: It provides better grip during mechanical coupling, reducing torque loss from slippage in high-precision operations.

Q: How does dual signal control benefit the L402-011E18 servo motor?

A: Analog allows smooth continuous control, while pulse input supports exact positioning and discrete movements.

Q: What advantage does a rotor inertia of 0.00055 kg·m² offer in L402-011E18?

A: It improves responsiveness during acceleration and deceleration cycles, crucial for stop-start motion applications.

Q: Why is IP43 protection sufficient for L402-011E18 applications?

A: It prevents ingress from medium-size particles and light splashes, making it ideal for clean, semi-controlled environments.

Q: How does the L402-011E18 manage moisture without performance degradation?

A: It tolerates up to 90% non-condensing humidity, preventing short-circuiting in damp but non-saturated areas.


Internal Product Review

  • ‘‘The L402-011E18 servo motor provides smooth control using a 20V DC input, 0.07 Nm holding torque, and 0.00055 kg·m² inertia. Its D-cut shaft ensures stable coupling, and the IP43 rating offers solid protection. A dependable choice for space-saving, feedback-driven automation applications.’’

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