Internal Mechanisms; Breakers; Wiring Terminal Block - Delta DPH series User Manual

2.6

Internal Mechanisms

2.6.1 Breakers

The UPS has four breakers: Main Input
Breaker (Q1), Bypass Breaker (Q2),
Manual Bypass Breaker (Q3) and Output
Breaker (Q4). Please refer to Figure 2-9.

2.6.2 Wiring Terminal Block

Open the UPS's back doors and you will
see the wiring terminal block. For wiring
instructions, please see 5. Installation
and Wiring.
(Figure 2-10 : Rear View/ Wiring Terminal Block)
Modulon DPH Series 25-150 kW
UPS Rear
Main Input Bypass Input Output
T S R T S R T S R N
Byp. N
Main
I/P N I/P N
Batt. Batt.
Input Input
Output
Output
Breaker (Q4)
(Figure 2-9 : Breaker Location )
2 Main Input 3 Bypass
Block Input Block
Battery
6
Input
Block
2 - 1 0
UPS Front
Output M a n u l a B y p a s s B y p a s s n I p t u M a n i n I p t u
M a n u l a B y p a s s B y p a s s n I p t u
Manual Bypass Bypass
Breaker (Q3) Breaker (Q2)
5 Output
Block
For UPS For the
1 4
Grounding( ) Critical Loads'
Grounding( )
M a n i n I p t u
Main Input
Breaker (Q1)