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  • MR-J3-40B Product Pictures

MR-J3-40B Mitsubishi MR-J3-40B servo amplifier from the MELSERVO-J3 series with 0.4kW (400W) rated output, 3-phase or single-phase 200-230V AC power supply, SSCNET III fiber optic interface, speed frequency response 900 Hz, built-in dynamic brake, sine-wave PWM control, natural cooling, IP00 protection. Designed for high-speed positioning systems, automated assembly lines, and CNC machinery requiring real-time motion control. Discontinued (replaced by MR-J4 series). 100% fully tested before shipping, guaranteed working condition.

  • Product Name：Mitsubishi MR-J3-40B MELSERVO J3 400W SSCNET III Servo Amplifier (3-Phase/Single-Phase 200-230V, 900Hz, IP00, Discontinued)
  • Package：Standard
  • SPQ：
  • Channel:Self-Support
  • MOQ：1
Unit Price： $ 500
Total： $ 500
Order Quantity：
- +
Stock：10
For details, please consult: ben   +86-755-8363-6065   Or Submit Inquiry！

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  • Technical Parameter
Product Attributes
Series MELSERVO J3
Rated Output 0.4 kW (400W)
Power Supply 200-230V AC (3-phase or 1-phase), 50/60 Hz
Current 2.8 A (rated), 2.6 A (input consumption)
Interface SSCNET III (fiber optic)
Speed Frequency Response 900 Hz
Dynamic Brake Built-in
Control Method Sine-wave PWM, current control
Cooling Natural cooling
Protection IP00 (open enclosure)
Weight 2.01 kg (4.44 lbs)
Operating Temp 0 to 55°C
Storage Temp 0 to 65°C
Permissible Voltage Fluctuation 170-253V AC
Status Discontinued (replaced by MR-J4 series)
Datasheet
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  • Commodity Description
MELSERVO-J3 series servo amplifier, 0.4kW rated output, 3-phase or single-phase 200-230V AC, SSCNET III interface, built-in dynamic brake, IP00 enclosure, natural cooling. Applications: high-speed positioning systems, automated assembly lines, CNC machinery requiring real-time motion control.
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Is the product quality guaranteed?

LEI LI ELECTRONICS CO., LTD. specializes in industrial automation components, including both new and used/refurbished parts. All products undergo professional inspection and functional testing before shipment to ensure they meet operational standards.

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New parts: Eligible for return within the period specified in the product listing, subject to terms and conditions.

Used/refurbished parts: Sold as-is, with returns only accepted if verified defects are found upon receipt.

Please confirm the specific terms with our customer service before placing an order.

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Can you help with bulk or BOM-based purchasing?

Yes, we offer one-stop BOM kitting services for industrial automation projects. Simply provide your parts list to our customer service team, and we will assist you with sourcing available components.

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