Installation, 3. branch circuit protection – GE Industrial Solutions ASTAT-IBP Plus User Manual
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208/240/480V
208/240/480/600V
Max. Short
Catalog
Std
Heavy
Fuse
Std
Heavy
Fuse
Circuit
Number
Duty
Duty
Type
Duty
Duty
Type
Current
QI3KDP
125 A
175 A
A50QS
125 A
150 A
A70QS
100kA
QI3LDP
150 A
—
A50QS
150 A
—
A70QS
100kA
QI3YDP
175 A
—
A50QS
175 A
—
A70QS
100kA
QI3MDP
225 A
350 A
A50QS
225 A
250 A
A70QS
100kA
QI3ZDP
300 A
400 A
A50QS
300 A
400 A
A70QS
100kA
QI3NDP
350 A
450 A
A50QS
350 A
450 A
A70QS
100kA
QI3PDP
400 A
600 A
A50QS
400 A
450 A
A70QS
100kA
QI3QDP
500 A
—
A50QS
500 A
—
A70QS
100kA
QI3RDP
600 A
—
A50QS
600 A
—
A70QS
100kA
QI3SDP
700A
1000A
A50QS
700A
800A
A70QS
100kA
Circuit Breaker
Fuse
Catalog
Max. Circuit
Max. Short Circuit Current
Max.
Max. Short Circuit
Number
Breaker Size
208/240/480V
600V
Class J
Current
Fuse Size
208/230/480/600V
QI3KDP
100A
25kA
10kA
100A
100kA
QI3LDP
100A
25kA
10kA
100A
100kA
QI3YDP
100A
25kA
10kA
100A
100kA
QI3MDP
150A
25kA (1)
10kA
400A
100kA
QI3ZDP
225A
25kA (1)
10kA
400A
100kA
QI3NDP
225A
25kA (1)
10kA
400A
100kA
QI3PDP
225A
25kA (1)
10kA
400A
100kA
QI3QDP
400A
25kA (1)
10kA
400A
100kA
QI3RDP
600A
25kA (1)
18kA
600A
100kA
QI3SDP
600A
25kA (1)
18kA
600A
100kA
5-3. Branch circuit protection
5. Installation
5-2
ASTAT-IBP Plus starters are suitable for use on a circuit capable of delivering not more than the rms symmetrical amperes listed in the
tables below when used with the listed circuit protection.
Note:
When ASTAT-IBP Plus reduced-voltage starters are used in conjunction with semiconductor fuses, Type 2 coordination to IEC 947-4
is attained. These fuses are recommended for best overall short-circuit protection. The semiconductor fuses specified in Table below may
provide branch-circuit protection. Refer to applicable local electrical codes.
Note:
Lorsque des démarreurs à voltage réduit ASTAT-IBP sont utilisés en conjonction avec des fusibles seni-conducteurs, on obtient une coordination de type 2
selon IEC 947-4. Ces fusibles sont recommandés pour une meilleure protection d’ensemble contre les court-circuits. Les fusibles semi-conducteurs spécifiés au
tableau 11 peuvent fournir une protection de dérivation d’un circuit. Veuillez vous reférer aux codes électriques locaux s’y appliquant.
Semiconductor Protection
Gould-Shawmut Semiconductor Fuses
Notes:
(1) = Starters size M,Z,N,P,Q,R,S have a branch circuit rating of 65kA when used with circuit breakers that are rated 65kA or higher.