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Installation Drawings
33
Figure 20 Liebert STS2 non-automatic circuit breaker schedule
Liebert STS2
Ampere
Rating, A Vendor Type Ampacity, A Voltage
Withstand
Current
100 Square D HL 150
200-240V
380-480V
600V
125K
100K
50K
250 Square D JL 250
200-240V
380-480V
600V
125K
100K
50K
400 Merlin Gerin NSJ 400
200-240V
380-480V
600V
100K
100K
25K
600 Merlin Gerin NSJ 600
200-240V
380-480V
600V
100K
100K
25K
800 Square D PJ 800
200-240V
380-480V
600V
100K
65K
25K
1000 Square D PJ 1200
200-240V
380-480V
600V
100K
65K
25K
1. The Liebert STS2 non-automatic breakers are 3-pole, 600VAC rated with magnetic trip only.
2. Upstream devices (by others) must be used to provide overcurrent protection. Upstream overcurrent protection should
have ampacity equal to or less than the ampere rating of the static switch.