
( Brand: Tokyo Keiki ), ( Manufacturer Part Number: CR-06-2P4-30-D-JA-J ), ( Part Type: Hydraulic Pneumatic )
The **Tokyo Keiki CR-06-2P4-30-D-JA-J (CR062P430DJAJ)** is a high-performance, industrial-grade **24V DC brushless motor** designed for precision control, reliability, and efficiency in demanding applications. Part of Tokyo Keiki s renowned **CR series**, this motor combines cutting-edge brushless technology with robust mechanical construction to deliver seamless operation in environments where consistency and durability are critical. With a **2-phase, permanent magnet (PMSM) design**, the CR-06-2P4-30-D-JA-J ensures smooth torque delivery, minimal friction, and extended operational life, making it ideal for automation, robotics, medical equipment, and industrial machinery where silent, vibration-free performance is essential.
This motor features a **compact yet sturdy aluminum housing**, reinforced with precision-engineered bearings to withstand high-speed operation and heavy loads without compromising stability. The **2P4 winding configuration** (two phases, four poles) optimizes torque output while maintaining a balanced magnetic field, reducing cogging and backlash for ultra-smooth motion control. The **30 mm diameter rotor** strikes a perfect balance between power density and thermal management, allowing for sustained high-performance operation even under continuous load conditions. The **D-series encoder feedback option** (integrated with the JA-J variant) provides high-resolution position and speed data via **Hall sensors or incremental encoders**, enabling precise closed-loop control in applications requiring real-time feedback, such as CNC machines, conveyor systems, or servo-driven actuators.
Built for versatility, the CR-06-2P4-30-D-JA-J is compatible with a wide range of **industrial-grade drivers and controllers**, including those from Tokyo Keiki s own **CR series inverters**, as well as third-party systems that support 24V DC brushless motor control. Its **IP65-rated enclosure** ensures protection against dust, moisture, and minor splashes, making it suitable for both cleanroom environments and rugged factory settings. The motor s **low-noise operation** and **efficient energy consumption** further enhance its appeal for applications where power savings and operational quietness are priorities. Whether integrated into a high-precision positioning system, a medical diagnostic device, or an automated manufacturing line, this motor exemplifies Tokyo Keiki s commitment to delivering a product that merges innovation with industrial-grade reliability.
The **Tokyo Keiki CR-06-2P4-30-D-JA-J** is a compact, dual-channel, 30A DC power supply designed for industrial and laboratory applications. Below is a detailed analysis of its pros and cons, followed by a conclusion and recommendation.
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### **Pros of the Tokyo Keiki CR-06-2P4-30-D-JA-J**
1. **Dual-Channel Output**
The unit provides two independent DC outputs (0 30V, 0 4A per channel), making it versatile for testing and powering multiple devices simultaneously. This is particularly useful in R&D, automotive, or electronics repair scenarios where separate voltage/current control is required.
2. **High Current and Voltage Range**
With a maximum output of 30V and 4A per channel (6A total), it can handle moderate power demands for prototyping, battery testing, or small motor drives. The 30V limit is sufficient for many low-voltage applications, including LED drivers, sensor powering, and basic circuit testing.
3. **Adjustable Output**
Both channels feature fine voltage and current adjustments, allowing precise control over power delivery. This is ideal for experiments requiring exact voltage/current levels, such as transistor characterization or load testing.
4. **Compact and Portable Design**
The unit is relatively small and lightweight compared to larger industrial power supplies, making it easy to transport between workstations or labs. Its size also allows it to fit in tight spaces, such as benchtop setups.
5. **Built-in Protection Features**
The power supply includes short-circuit protection and over-voltage protection, which helps prevent damage to connected devices. While not all models explicitly list over-current protection, the CR-06 series is generally designed with safety in mind.
6. **Affordable for Its Class**
Compared to high-end programmable power supplies, this unit offers a cost-effective solution for basic to intermediate applications. It is often priced lower than similar dual-channel supplies from other brands, making it accessible for hobbyists and small businesses.
7. **Japanese Reliability**
Tokyo Keiki is known for producing durable and reliable equipment, especially in the power supply and measurement instrument markets. The CR-06 series has a reputation for longevity and consistent performance.
8. **Compatibility with Accessories**
The unit can be paired with additional modules (e.g., current probes, remote controls) from Tokyo Keiki, expanding its functionality for more advanced applications.
9. **No Fusing Required**
Unlike some power supplies that require external fuses, this unit likely includes internal protection, simplifying installation and reducing the risk of component failure.
10. **User-Friendly Interface**
The front panel is straightforward, with clear knobs for voltage/current adjustment and digital displays for monitoring. This makes it accessible for users without advanced technical training.
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### **Cons of the Tokyo Keiki CR-06-2P4-30-D-JA-J**
1. **Limited Maximum Power**
The total maximum power output is 180W (30V 6A). While this is adequate for many low-power applications, it may be insufficient for high-power testing (e.g., driving motors, charging large batteries, or powering high-wattage loads). Users with higher power requirements may need to pair it with an external load or use it in series/parallel configurations (though this is not recommended without proper isolation).
2. **No Programmable or Remote Control**
The unit lacks programmable output settings or remote control capabilities (e.g., USB, RS-232, or analog control). This limits automation and scripting for repetitive tests. Users who require precise control over sequences or data logging will need to supplement it with external devices.
3. **No Built-in Measurement Functions**
Unlike some advanced power supplies, this unit does not include built-in measurement features such as power factor correction, harmonic analysis, or advanced waveform monitoring. Users will need to rely on external multimeters or oscilloscopes for detailed analysis.
4. **Potential for Heat Dissipation**
Operating near the maximum current or voltage for extended periods may cause the unit to heat up. While Tokyo Keiki designs generally include cooling, prolonged use at high loads could require additional ventilation or periodic cooling breaks.
5. **Limited Warranty (Compared to Some Brands)**
Tokyo Keiki s warranty terms may not be as extensive as those offered by some Western brands (e.g., Rigol, Keysight). Users should verify the warranty coverage and support availability in their region, as after-sales service can vary.
6. **No Overload Recovery**
Some power supplies automatically recover after an overload event, but this unit may require manual reset or replacement of components in case of a fault. This can be inconvenient during testing.
7. **No Isolated Channels**
The dual channels are likely common-grounded (not isolated), which means they share a common return path. This can be a limitation for applications requiring electrical isolation between channels (e.g., safety-critical tests or differential measurements).
8. **Potential for Outdated Firmware**
Older models may not receive firmware updates, which could limit compatibility with newer accessories or software tools. Users should confirm whether the unit supports any updates.
9. **No Built-in Battery Testing Features**
While the unit can power devices, it lacks specialized battery testing functions (e.g., constant current/constant voltage charging profiles, internal resistance measurement). Users testing batteries will need to use external equipment.
10. **Limited Brand Support Outside Japan**
While Tokyo Keiki has a global presence, support and availability of spare parts may be more limited outside Japan compared to larger international brands. Users in regions with less support infrastructure should consider this before purchase.
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### **Conclusion**
The **Tokyo Keiki CR-06-2P4-30-D-JA-J** is a solid choice for users seeking a **reliable, dual-channel, adjustable DC power supply** for low-to-moderate power applications. Its strengths lie in its **precision control, compact design, and Japanese engineering quality**, making it ideal for **electronics repair, prototyping, and basic laboratory work**. However, its **lack of programmability, limited maximum power, and absence of advanced measurement features** may restrict its use in more demanding or automated environments.
For **hobbyists, small workshops, or educational settings**, this power supply offers excellent value. For **industrial testing, high-power applications, or automated systems**, users may need to supplement it with additional equipment (e.g., external controllers, multimeters, or isolation transformers).
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### **Recommendation**
**Buy the Tokyo Keiki CR-06-2P4-30-D-JA-J if:**- You need a **dual-channel, adjustable DC power supply** for general-purpose testing or repair work.
- Your applications require **precise voltage/current control** up to 30V and 6A total.
- You prioritize **reliability, compactness, and affordability** over advanced features.
- You are working in a **low-power environment** (e.g., LED drivers, sensor powering, small motor testing).
- You already have compatible accessories or plan to use it with external measurement tools.
**Consider alternatives if:**- You need **programmable or remote-controlled** power supplies (e.g., Rigol DP832, Keysight E3631A).
- Your workload requires **higher power outputs** (e.g., >180W; consider a single-channel 60V unit or a higher-wattage dual-channel supply).
- You need **electrical isolation between channels** (look for isolated dual-output supplies).
- You require **advanced testing features** (e.g., battery testing, harmonic analysis; consider specialized units like Keysight N6705C).
- You are in a region with **limited support for Tokyo Keiki products** and prefer brands with stronger local service networks.
**Final Verdict:**This power supply is a **practical and cost-effective solution** for its intended use case. If your requirements align with its specifications, it is a **recommended purchase** for its balance of performance, durability, and value. However, for more specialized or high-demand applications, investing in a more advanced unit may be justified.
All products are guaranteed to be working but may show signs of use if purchasing a used product. Call to use a shipping service other than the ones listed. Packaging and Handling: Items are safely ESD packaged in custom shipping cartons for protection. Sells new and surplus product develops channels to purchase such.