FIGURES

11.0 SPECIFICATIONS AND TECHNICAL DATA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .91

11.1 Lug Size and Torque Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91 11.2 Cable Lengths: Floor to Connection Point Inside UPS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92 11.3 Cable size and tightening torques . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93 11.4 Battery Run Times . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95

APPENDIX A - UPS STATUS MESSAGES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .97

FIGURES

Figure 1 Cabinet arrangement—Liebert NX units and battery cabinets. . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Figure 2 Cabinet arrangement—Liebert NX UPS, battery cabinets and Liebert NX bypass

distribution cabinets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Figure 3 Single module block diagram—dual input configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Figure 4 Input and output busbars. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Figure 5 Monitor board U2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Figure 6 Auxiliary terminal block detail (Monitoring Board) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Figure 7 Input dry contacts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Figure 8 Output dry contacts and EPO wiring for firmware before M170 . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Figure 9 EPO wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Figure 10 Battery cabinets for Liebert NX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Figure 11 Battery cabinet—details . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Figure 12 Battery tray and supports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Figure 13 Load Bus Synchronization cable connection in single module systems. . . . . . . . . . . . . . . . . . . . . 26 Figure 14 Load Bus Synchronization cable connection with multi-module systems . . . . . . . . . . . . . . . . . . . 27 Figure 15 Parallel system block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Figure 16 Paralleling cabinet with input and bypass circuit breakers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Figure 17 Paralleling cabinet with input, bypass and distribution circuit breakers . . . . . . . . . . . . . . . . . . . 29 Figure 18 Connecting system parallel control cables. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Figure 19 Auxiliary dry contact cables for output breaker in multi-module system . . . . . . . . . . . . . . . . . . . 31 Figure 20 Connecting EPO push button. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 Figure 21 Liebert NX 40-120kVA dimensional view—front and left side . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 Figure 22 Liebert NX 40-120V dimensions continued—top and bottom view . . . . . . . . . . . . . . . . . . . . . . . . 39 Figure 23 Liebert NX 40-120kVA main components—typical unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 Figure 24 Liebert NX 160-200kVA dimensional view—front and left side . . . . . . . . . . . . . . . . . . . . . . . . . . 41 Figure 25 Liebert NX 160-200kVA dimensions continued—top and bottom view. . . . . . . . . . . . . . . . . . . . . 42 Figure 26 Liebert NX 160-200kVA main components—typical unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 Figure 27 Liebert NX 40-120kVA cable connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 Figure 28 Liebert NX 160-200kVA cable connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 Figure 29 Outline drawing, 33" battery power pack system, single cabinet . . . . . . . . . . . . . . . . . . . . . . . . . 46 Figure 30 Terminal details, 33" battery power pack system, single cabinet Liebert NX . . . . . . . . . . . . . . . 47 Figure 31 Outline drawing, 49" battery power pack system, single cabinet . . . . . . . . . . . . . . . . . . . . . . . . . 48 Figure 32 Terminal details, 49" battery power pack system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49 Figure 33 Liebert NX 160-200kVA UPS to 49" battery cabinet interconnection . . . . . . . . . . . . . . . . . . . . . . 50 Figure 34 Liebert NX 40-120kVA UPS to 33" battery cabinet interconnection . . . . . . . . . . . . . . . . . . . . . . . 51 Figure 35 Outline drawing, Liebert NX 480V 33" parallel cabinet. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52 Figure 36 Outline drawing, Liebert NX 480V 49" parallel cabinet. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

Figure 37 Liebert NX 480V paralleling cabinet with input and bypass circuit breakers, main components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

Figure 38 Liebert NX 480V paralleling cabinet main components—input, bypass and distribution

circuit breaker configuration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

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Emerson 60HZ, 480V user manual Figures
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60HZ, 480V specifications

The Emerson 40-120KVA UPS is a high-performing uninterruptible power supply designed to ensure the reliability and continuity of critical operations across various industries. This UPS operates at 480VAC and 60Hz, making it suitable for environments where high-power demands are common.

One of the standout features of this UPS system is its modular design, which allows for easy scalability. Organizations can expand their power capacity as their needs grow, making the Emerson 40-120KVA UPS a future-proof investment. The system operates with high efficiency, minimizing energy consumption and operational costs. This is vital for data centers and industrial applications where energy management is increasingly important.

The Emerson UPS incorporates advanced digital signal processing technology, delivering real-time monitoring and control. This enhances the overall performance and reliability of the system, providing seamless power protection against voltage fluctuations, surges, and interruptions. With a total harmonic distortion of less than 5%, the UPS ensures a clean and stable power output, preserving the integrity of sensitive electronic equipment.

Another noteworthy characteristic of the Emerson 40-120KVA is its redundancy features. The system supports N+1 redundancy, allowing for one extra module to ensure uninterrupted service in case of a failure. This design offers peace of mind for critical applications, ensuring that there is no single point of failure.

User-friendliness is also a significant aspect of the Emerson UPS. The intuitive graphical user interface simplifies monitoring and management, allowing operators to assess system performance and status at a glance. Additionally, remote monitoring capabilities enable real-time tracking of system health and performance from anywhere, providing flexibility and oversight for facility managers.

The Emerson 40-120KVA UPS also meets stringent safety and compliance standards, ensuring reliable operation in demanding environments. Its robust design is suitable for a variety of applications, including information technology, telecommunications, and industrial processes. Overall, the Emerson 40-120KVA UPS stands out as a reliable, efficient, and versatile solution for businesses aiming to safeguard their critical power supply against any disruption.
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