Installing Remote Emergency Power-off

3If an emergency power-off (disconnect) switch is required by local codes, see the following section, “Installing Remote Emergency Power-off” (REPO) to install the REPO switch before powering on the UPS.

4Plug the equipment to be protected into the UPS output receptacles, but do not turn on the protected equipment.

NOTE: Verify that the total equipment ratings do not exceed the UPS capacity to prevent an overload alarm.

REPO is used to shut down the UPS from a distance. For example, this feature can be used for shutting down the load and the UPS by thermal relay, in the event of room overtemperature. When REPO is activated, the UPS shuts down the output and all its power converters immediately. The UPS logic power remains on to issue an alarm.

The REPO feature shuts down the protected equipment immediately and does not follow the orderly shutdown procedure initiated by any power management software. Any devices that are operating on battery power are also shut down immediately.

When the REPO switch is reset, the equipment will not return to utility or battery power until the UPS is manually restarted.

The REPO contacts are normally open.

WARNING: The REPO circuit is an IEC 60950 safety extra low voltage (SELV) circuit. This circuit must be separated from any hazardous voltage circuits by reinforced insulation.

CAUTION: The REPO must not be connected to any utility connected circuits. Reinforced insulation to the utility is required. The REPO switch must have a minimum rating of 24 Vdc and 20 mA and be a dedicated latching-type switch not tied into any other circuit. The REPO signal must remain active for at least 250 ms for proper operation.

CAUTION: To ensure the UPS stops supplying power to the load during any mode of operation, the input power must be disconnected from the UPS when the emergency power-off function is activated.

NOTE: For Europe, the emergency switch requirements are detailed in Harmonized document HD-384-48 S1,

“Electrical Installation of the Buildings, Part 4: Protection for Safety, Chapter 46: Isolation and Switching.”

REPO Connections

Wire Function		Terminal Wire Size Rating	Suggested Wire Size

REPO	L1	4–0.32 mm2 (12–22 AWG)	0.82 mm2 (18 AWG)

	L2
	L2

Installation 27

J728N, K803N, H950N, H967N specifications

Dell has established itself as a leader in the technology sector, consistently delivering innovative products that cater to various user needs. Among its extensive lineup, models like the Dell H967N, H950N, K803N, and J728N stand out due to their distinctive features, technologies, and characteristics.

The Dell H967N is designed for versatility and performance, featuring robust hardware that supports demanding tasks. This model is equipped with a powerful processor, ensuring smooth multitasking and efficient handling of resource-intensive applications. Its advanced cooling technology is particularly noteworthy, preventing overheating during prolonged use. Additionally, the H967N boasts impressive graphics capabilities, making it suitable for both professional and recreational activities, such as graphic design and gaming.

Next in line is the Dell H950N, which emphasizes connectivity and efficiency. This model includes a variety of ports, accommodating multiple peripherals and external displays. Its integrated wireless technology provides seamless internet access and excellent data transfer speeds. The H950N also prioritizes energy efficiency, featuring a power-saving mode that helps reduce overall energy consumption without sacrificing performance.

The K803N model is focused on user experience, equipped with a high-resolution display that delivers vibrant colors and sharp images. This makes it ideal for content creators and media consumers alike. The K803N’s sound technology also deserves mention, featuring enhanced audio output that creates an immersive listening experience. Moreover, its ergonomic design ensures comfort during extended use, catering to users' needs for productivity.

Lastly, the Dell J728N is engineered for portability without compromising on performance. This lightweight model is easy to carry, making it a favorite among professionals on the go. The J728N features a long-lasting battery life, allowing users to work for extended periods without needing to recharge. Its sleek design and modern aesthetics enhance its appeal, while its solid-state drive technology ensures quick boot times and fast data access.

In conclusion, the Dell H967N, H950N, K803N, and J728N represent the brand’s commitment to quality and innovation. Each model brings unique features to the table, catering to diverse user requirements, whether it be performance, connectivity, user experience, or portability. Dell continues to lead the way in technological advancements, ensuring that its products remain relevant and highly sought after in the market.

Dell H967N, K803N, J728N Installing Remote Emergency Power-off, Repo Connections Wire Function

Models: J728N K803N H950N H967N