Specifications for Maintenance Bypass Cabinet with Output Transformer (GVSBPOT50, GVSBPOT100, GVSBPOT150)

UPS rating	20 kW	30 kW	40 kW	50 kW	60 kW	80 kW	100 kW	120 kW	150 kW
Input voltage (V)	480
Input connections	3-wire (L1, L2, L3, PE)
Nominal input current (A)	25	37	50	62	74	99	124	154	190
Maximum input current (A)	30	45	60	74	89	119	149	180	226
Output connections	4-wire (L1, L2, L3, N, PE)
Output voltage (V)	208
Nominal output current (A)	56	83	111	139	167	222	278	333	416
Frequency (Hz)	60
Circuit breaker interrupting ratings (kA)	65 at 480 V (for UIB/MBB/UOB)

Trip Settings for Maintenance Bypass Cabinet with Output Transformer

NOTE: The tip settings must be set during installation. Set the breaker settings per system kW rating as listed in the table below. Changing the settings to other than the listed settings will change the 125% and 150% overload operation, and will impact system performance.

UPS rating	Breaker type		Ir setting	Tr at 6 Ir setting	li (x In) setting	Ir setting	Tr at 6 Ir setting	li (x In) setting
UPS rating	UIB	MBB/OUB	UIB			MBB/UOB
20 kW	HJF36150CU31X	HJF36150CU31X	50	0.5	6	50	2	6
30 kW	HJF36150CU31X	HJF36150CU31X	60	0.5	6	50	2	6
40 kW	HJF36150CU31X	HJF36150CU31X	80	0.5	6	60	4	6
50 kW	HJF36150CU31X	HJF36150CU31X	90	0.5	6	70	4	6
60 kW	JJF36250CU31X	HJF36150CU31X	100	0.5	6	90	4	8
80 kW	JJF36250CU31X	HJF36150CU31X	150	0.5	6	125	2	8
100 kW	JJF36250CU31X	HJF36150CU31X	175	0.5	6	150	2	8
120 kW	JJF36250CU31X	JJF36250CU31X	200	0.5	8	175	2	8
150 kW	JJF36250CU31X	JJF36250CU31X	250	0.5	8	225	2	8

Recommended Upstream Protection for Maintenance Bypass Cabinet with Output Transformer

For 208 V Input

UPS rating	Breaker type	Ir setting	Tr at 6 Ir setting	li (x In) setting
20 kW	HJL36150CU31X	50	0.5	2
30 kW	HJL36150CU31X	60	0.5	2
40 kW	HJL36150CU31X	80	0.5	2
50 kW	HJL36150CU31X	90	0.5	2
60 kW	JJL36250CU31X	100	0.5	2
80 kW	JJL36250CU31X	150	0.5	2
100 kW	JJL36250CU31X	175	0.5	2
120 kW	JJL36250CU31X	200	0.5	2
150 kW	JJL36250CU31X	250	0.5	2

Recommended Cable Sizes for Maintenance Bypass Cabinet with Output Transformer

DANGER
hazard of electric shock, explosion, or arc flash All wiring must comply with all applicable national and/or electrical codes. The maximum allowable cable size is 300 kcmil. Failure to follow these instructions will result in death or serious injury.

NOTE: Overcurrent protection and cable lugs are to be provided by others.

Cable sizes in this manual are based on Table 310.15 (B)(16) of the National Electrical Code (NEC) with the following assertions:

90 °C (194 °F) conductors (75 °C (167 °F) termination)
An ambient temperature of 30 °C (86 °F)
Use of copper or aluminum conductors

If the ambient temperature is greater than 30 °C (86 °F), larger conductors are to be selected in accordance with the correction factors of the NEC.

Equipment grounding conductors/Protective Earth (PE in this manual) are sized in accordance with NEC Article 250.122 and Table 250.122.

Copper

UPS rating	20 kW	30 kW	40 kW	50 kW	60 kW	80 kW	100 kW	120 kW	150 kW
Input phases (AWG/kcmil)	8	6	4	3	3	1/0	2/0	3/0	2 x 1
Input PE (AWG/kcmil)	10	10	8	8	8	6	6	4	3
Output phases (AWG/kcmil)	6	3	1	1/0	2/0	2 x 1	2 x 1/0	2 x 2/0	2 x 4/0
Output PE (AWG/kcmil)	10	8	6	6	6	4	4	2	1
Neutral (AWG/kcmil)*	3	1/0	3/0	2 x 1	2 x 1/0	2 x 3/0	2 x 250	2 x 300	3 x 4/0
DC+/DC- (AWG/kcmil)	4	3	1/0	1/0	2/0	4/0	300	2 x 2/0	2 x 3/0
DC PE (AWG/kcmil)	8	6	6	6	6	4	4	2	1

NOTE: Aluminum cables are not supported for 100-150 kW maintenance bypass cabinet with output transformer.

Aluminum

UPS rating	20 kW	30 kW	40 kW	50 kW	60 kW	80 kW
Input phases (AWG/kcmil)	6	4	2	2	1	3/0
Input PE (AWG/kcmil)	8	8	6	6	6	4
Output phases (AWG/kcmil)	4	2	3/0	3/0	4/0	2 x 1/0
Output PE (AWG/kcmil)	8	6	4	4	4	2
Neutral (AWG/kcmil)*	1	3/0	2 x 1/0	2 x 2/0	2 x 3/0	2 x 250
DC+/DC- (AWG/kcmil)	3	1	2/0	2/0	4/0	300
DC PE (AWG/kcmil)	6	4	4	4	4	2

NOTE: DC cables are only connected in the maintenance bypass cabinet in top cable entry systems. In bottom cable entry systems, the DC cables are connected directly in the UPS.

NOTE: The DC cable sizes given here are recommendations – Always follow the specific instructions in the battery solution documentation for DC cable sizes.