Installation

UPS Maintenance

UPS Input

Disconnect

Bypass Switch

Switch

 

 

 

UPS Bypass

On-Off

1

BYP

2

1

2

3

UPS

4

3

4

5

BYP

6

5

6

7

UPS

8

 

 

9

BYP 10

 

 

11 UPS 12

 

 

13

BYP 14

 

 

15 UPS 16

 

 

17

BYP 18

 

 

19 UPS 20

 

 

1

BYP

2

 

 

3

BYP

4

 

 

5

BYP

6

 

 

7

UPS

8

 

 

 

F1-F2-F3

F4-F5-F6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

F1A

 

 

 

 

 

 

 

 

 

1A

G L1 L2 L3

G L1 L2 L3

G L1 L2 L3

G L1 L2 L3

1

2

3

4

5

6

 

 

C

N

N

 

 

 

 

 

 

 

 

AC Output

 

 

 

 

 

 

D

C

 

AC Output from UPS

AC Line Input

AC Input to UPS

Auxiliary Switch Circuit

to Critical Load

 

 

 

 

 

 

 

 

 

Notes:

1.F1, F2, F3 = 15A

2.F4, F5, F6 = 25A

3.All AC power cabling is 3 wire + Ground at 450VAC 3-phase.

4.Installation must comply with all applicable national and local codes.

Relay

"UPS in Static Bypass" Ind. Light

R

13

G

14

 

1

9

"UPS in Maintenance Bypass" Ind. Light

R

Keyed Solenoid Lock Release Switch

Lock

Release

13

14

0X

22

21 X0

31

32 X0

43

44

0X

 

 

 

 

 

 

 

Solenoid Lock

 

 

 

 

 

 

 

Mechanism

 

 

 

 

 

N

(Energize to Unlock)

440, 450, 480

 

440, 450, 480

120 VAC

 

 

 

 

 

 

VAC Primary

 

VAC Primary

X

+

 

H1 H3

H2

H4

H1 H3

H2

H4

-

120 VDC

X1

 

X2

X1

 

X2

 

 

120 VAC

 

120 VAC

 

5A

 

Secondary

 

Secondary

 

 

XFMR 1

 

XFMR 2

 

 

 

Figure 3 - SBP Electrical Schematic 450V

 

990-1378

 

 

Installation Guide APC BC300 Series 10kW 208/450/480V UPS

11

Page 11
Image 11
APC 990-1378 manual SBP Electrical Schematic

990-1378 specifications

The APC 990-1378 is a high-performance power supply designed for environments where reliability and efficiency are paramount. As a part of APC's range of power protection solutions, this unit is specifically engineered to safeguard critical electronic devices and maintain consistent power delivery even under demanding conditions.

One of the main features of the APC 990-1378 is its robust battery backup system. This ensures that connected devices remain operational during power outages, providing peace of mind for businesses and individuals relying on constant power supply for applications such as networking, telecommunications, and computer systems. The unit is equipped with advanced battery management technology that extends battery life while optimizing energy consumption.

In terms of technologies, the APC 990-1378 incorporates sine wave output, which delivers clean and stable power suitable for sensitive electronic equipment. This feature is essential for preventing equipment damage caused by power surges or fluctuations. Moreover, the power supply comes with multiple outlets, allowing users to connect several devices simultaneously without compromising performance.

Another characteristic that sets the APC 990-1378 apart is its intelligent LCD display. This user-friendly interface provides real-time information on power consumption, battery status, and system health, allowing users to monitor performance easily. The display also features customizable settings, giving users the flexibility to adapt the unit to their specific needs.

The build quality of the APC 990-1378 is impressive, designed to endure both indoor and outdoor environments. Its rugged casing and efficient cooling system guarantee reliable operation in various conditions, making it suitable for different applications, from home offices to enterprise data centers. Additionally, the compact design of this power supply saves valuable space, an essential consideration for users with limited installation areas.

The APC 990-1378 is also compatible with various management software solutions that facilitate remote monitoring and control. This capability is particularly beneficial for IT administrators who need to manage multiple units across different locations efficiently.

In summary, the APC 990-1378 is a versatile and reliable power supply that prioritizes performance, safety, and user convenience. Its advanced features and technologies make it a valuable asset for anyone seeking reliable power protection solutions in today's increasingly tech-driven world.