Table 11. Electrical Input

 

208V Models

230V Models

 

 

 

Nominal Voltage

200–220V

220–240V

 

 

 

Voltage Range

155–255V auto-sensing

160–286V auto-sensing

(Engineering Specifications)

 

 

 

 

Nominal Frequency

50/60 Hz auto-sensing, ±3 Hz

 

 

 

Efficiency (Normal mode)

 

>95%

 

 

Noise Filtering

Full-time EMI/RFI filtering

 

 

 

Connections

3750W: 2m, L6-30P attached

3750W: Hardwired

 

power cord

4200W: Hardwired

 

 

 

4200W: Hardwired

 

 

 

 

Table 12. Electrical Output

 

 

 

 

 

 

208V Models

230V Models

 

 

 

Power Levels

3750W

3750W

(rated at nominal inputs)

4200W

4200W

 

 

 

Regulation (Normal mode)

-6% to +6% of nominal voltage

 

NOTE: This varies based on auto-detected input voltage or customer settings.

 

 

Regulation (Battery mode),

-6% to +6% of nominal voltage

Nominal Voltage ±5%

NOTE: This varies based on auto-detected input voltage or customer settings.

 

 

 

 

Voltage Waveform

 

Sine wave

Output Receptacles

3750W: (2) L6-20R; 20A

3750W:(8) IEC 320-C13; 10A for IEC,

 

(1) L6-30R, 30A

15A for UL

 

(2) IEC 320-C19, 20A

(2) IEC 320-C19, 16A for IEC,

 

4200W: (2) L6-20R; 20A

20A for UL

 

 

 

(1) L6-30R, 30A

4200W:(6) IEC 320-C13; 10A for IEC,

 

(4) IEC 320-C19, 20A

15A for UL

 

 

(4) IEC 320-C19, 16A for IEC,

 

 

20A for UL

 

 

 

Specifications 63

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Dell K805N Electrical Input, Nominal Voltage, Voltage Range, Nominal Frequency, Efficiency Normal mode, Noise Filtering

H952N, K804N, J739N, K805N, J730N specifications

The Dell J730N, K805N, J739N, 4200W, and 3750W are all high-performance server power supplies designed to provide reliable power solutions for various Dell server models. These power supplies are engineered to ensure maximum uptime, energy efficiency, and seamless operation in data center environments.

Starting with the Dell J730N, this power supply unit is known for its robust design and 730W output capacity. It features hot-swappable functionality, allowing for easy replacement without powering down the server. This is crucial for mission-critical applications where downtime can lead to significant operational challenges. The J730N is compatible with various Dell servers, making it a versatile choice for data centers looking to enhance their power management.

The K805N power supply is another excellent option with a power output of 800W. It incorporates advanced features such as Automatic Voltage Regulation (AVR), which ensures that the output voltage remains stable even during fluctuations in the input voltage. This technology is vital for protecting sensitive server components from potential damage caused by power inconsistencies. Additionally, the K805N is designed with a modular approach, allowing for easy integration and scalability.

The Dell J739N exemplifies Dell’s commitment to energy efficiency with its 750W rating. It meets stringent efficiency standards, making it an environmentally friendly option that helps reduce power consumption and operational costs. The J739N is often used in combination with other Dell equipment to create a cohesive and efficient power management strategy. Its reliability is bolstered by a combination of intelligent internal monitoring systems that detect and address power anomalies.

The 4200W and 3750W power supplies represent higher capacity options for larger, more demanding server environments. These units are equipped with multiple redundant power circuits, ensuring that if one circuit fails, others will continue to supply power without interruption. The advanced cooling technologies utilized in these models also enhance performance and reliability by preventing overheating.

Overall, these Dell power supplies reflect the highest standards in design and technology. They are integral to maintaining the health and efficiency of server operations, contributing significantly to the resilience and effectiveness of data-centered environments. With a focus on compatibility, energy efficiency, and reliability, the J730N, K805N, J739N, 4200W, and 3750W power supplies remain essential components in modern IT infrastructures.