Speedfax 2017

Molded Case Circuit Breakers
Series Connected Short Circuit Ratings
Revised on 03/25/17
General
7
MOLDED CASE
CIRCUIT BREAKERS
The term “Series Connected Short
Circuit Rating” refers to the application of
series circuit breakers in a combination
that allows downstream breakers to have
lower individual interrupting ratings than
the available fault current.
240V Breaker Series Ratings
Series
Rating
kAIR
22000
Main Breaker
Branch Breaker
Type
Max.
Amperes Type
QPH, BQH,
BLH
QPMH
QJH2
QPPH
QRH2
42000 QJ2H
65000
HQP, HBQ,
HBL
70 (1P)
125 (2P)
100 (3P)
QP, BQ, BL
This is permitted as long as the series
combination has been tested and certified
by UL.
The tables on these pages list specific
main and branch breaker combinations
that may be used for the short circuit
interrupting ratings shown.
Number
of Poles Voltage Amperes
1
2
3
120/240
240
240
15-70
15-125
15-100
QE, BLE, QPF, BLF 2 120/240 15-60
QE, BLE, BE, QPF,
BQF, BLF QPF2, BLF2
1 240 15-30
QT 1, 2 120/240 15-40
QG, BG, BLG 1, 2 120/240 15-30
BAF, QAF, QAF2, BAF2,
QFGA2, BFGA2
1 120 15-20
BAF, QAF 2 120/240 15-20
QP 1
120 15-25
120/240 35-70
2 120/240 15-25
35-125
200 (2P)
1
QE, QPF
120/240 15-30
2
15-60
QAF, BAF
1 120 15-20
2 120/240 15-20
QT 2 120/240 15-30
1 120/240 15-70
QP, BQ, BL
2 240 15-125
3 240 60-100
QPF, BQF, BLF, BG, BLG
1 120 15-30
QE, BE, BLE, QPF2, BLF2
225
QPF, BLF, BG, BLG, QE
(2P, 3P)
2 120/240 15-60
BE, BLE
BAF, QAF, QAF2, BAF2 1 120 15-20
BAF, QAF 2 120/240 15-20
QT 1, 2 120/240 15, 20, 40
QR2 2,3 240 100-225
225 (2P)
250
(2, 3P)
225
(2, 3P)
70 (1P)
125 (2P)
100 (3P)
1
2
120/240
120/240
15-70
15-125
QP, BQ, BL
QE, BLE, BE, QPF, BQF,
BLF, QPF2, BLF2
1 120 15-30
QE, BLE, BE, QPF, BLF 2 120/240 15-60
BAF, QAF, QAF2, BAF2 1 120 15-20
BAF, QAF 2 120/240 15-20
QPP 2 120/240 125-200
QT 1, 2 120/240 15-40
QP,BQ,BL
1
2
2
3
1
2
120/240 15-70
120/240 15-125
240 15-125
240 15-100
120 15-30
120/240 15-30
QG, BG, BLG
QT 1,2 120/240 15-50
QFGA2, BFGA2, QAF2,
BAF2, QAF, BAF
1 120 15-20
QAF, BAF 2 120/240 15-20
QPF2, BLF2, QPF, BQF,
BLF, QE, BLE, BE
1 120 15-30
QPF, BLF, QE, BLE 2 120/240 15-60
QN, QNR 2 120/240 150-200
QS 2 120/240 100-225
QR2 2 120/240 100-250
QP, BQ, BL
1
2
120/240 15-70
120/240 15-125
3 240 60-100
QPH, BQH, BLH
1
2
120/240 15-70
120/240 15-125
3 240 15-100
QR2, QRH2 2,3 240 100-225
QJH2 2, 3 240 60-225
QP, BQ, BL,
QPH, BQH, BLH
QPF, BQF, BLF, BE, QPHF,
BQHF, BLHF, QEH, BLEH,
QE, BLE, QPF2, BLF2,
QPHF2, BLHF2, QPHF2,
BLHF2
1
2
3
120/240
240
240
15-70
15-125
15-100
1 120 15-30
QEH, BLEH, QE, QPHF,
BLHF, BLE, QPF, BLF
2 120/240 15-60
QT 1, 2 120/240 15-40
QG, BG, BLG 1, 2 120/240 15-30
Series
Rating
kAIR
65000
(cont.)
Main Breaker
Branch Breaker
Type
Max.
Amperes Type
HQP, HBQ,
HBL
ED4,
ED4, ED6
NDGA,
NDGB
HQPP
FD6-A,
FXD6-A
NFGA,
NFGB
70 (1P)
125 (2P)
100 (3P)
100
(1P)
125
(2P, 3P)
150
(2P, 3P)
225
(2P)
250
(2P,3P)
No substitutions are permitted. All combinations
shown have been tested and
are UL Listed. This information is provided
as a reference tool only. For verification
of specific combination ratings
consult the UL Recognized
Components Directory.
240V Breaker Series Ratings (continued)
HQR2
BAF, QAF, BQAF, QAF2,
BAF2, QAFH2, BAFH2,
QFGA2, BFGA2, QF-
GAH2, BFGAH2
Number
of Poles Voltage Amperes
1 120 15-20
BAF, QAF 2 120/240 15-20
1 120/240 15-70
QP, BQ, BL
2 240 15-125
QPH, BQH, BLH
3 240 15-100
QPHF, BQHF, BLHF, QPF,
BQF, BLF, QE, QEH, BLEH,
1
BE, BLE, QPF2, BLF2,
120 15-30
QPHF2, BLHF2
QEH, BLEH, QE, QPHF,
BLHF,BLE, QPF, BLF
2 120/240 15-60
QAF2, BAF2, BAF, QAF,
BQAF, QAFH2, BAFH2,
QAFH, BQAFH, BAFH, 1 120 15-20
QFGA2, BFGA2, QF-
GAH2, BFGAH2
QAF, BAF, QAFH, BAFH 2 120/240 15-20
ED2 1,2,3 120/240 15-100
QT 1,2 120/240 15-40
1
QPH, BQH, BLH
2
3
QP, BQ, BL,
1
QPH, BQH, BLH
2
QPF, BQF, BLF, QPHF,
BQHF, BLHF, QEH, BLEH,
QE, BLE, BE, BLF2, QPF2,
QFGA2, BFGA2
QEH, BLEH, QE, QPHF,
BLHF, BLE, QPF, BLF
BAF, QAF, BQAF, QAF2,
BAF2, QAFH2, BAFH2,
QAFH, BQAFH, QFGAH2,
BFGAH2
120/240
240
240
120/240
120/240
15-70
15-125
15-100
15-70
15-125
1 120/240 15-30
2 120/240 15-60
1 120 15-20
BAF, QAF, QAFH, BAFH 2 120/240 15-20
QT 1, 2 120 15-40
QPPH, QPP 2 120/240 125-200
QP, BQ, BL
QPH, BQH, BLH
1
2
3
120/240 15-70
120/240 15-125
240 15-100
QPF, QPHF, BLF, BLHF 1,2 120/240 15-60
QPF2, BLF2, QPHF2,
BLHF2
1
2
120
120/240
15-30
15-60
QAF, BAF, QAF2, BAF2,
BQAF, QAFH2, BAFH2,
QAFH, BQAFH, BAFH, 1 120 15-20
QFGA2, BFGA2, QF-
GAH2, BFGAH2
QAF, BAF, QAFH, BAFH 2 120/240 15-20
QR2, QRH2 2,3 240 100-225
QJ2H, QJ2, QJH2 2,3 240 60-225
QPPH 2 120/240 125-225
1 120/240 15-70
QPH, BQH, BLH
2 120/240 15-125
3 240 15-100
QR2, QRH2 2,3 240 100-250
QP, BQ, BL
1
2
3
120/240 15-70
120/240 15-125
240 15-100
QT 1,2 120/240 15-50
QFGA2, BFGA2, QAF2,
1 120 15-20
BAF2, QAF, BAF
QAF, BAF 2 120/240 15-20
QPF2, BLF2, QPF, BQF,
1 120 15-30
BLF, QE, BLE, BE
QPF, BLF, QE, BLE 2 120/240 15-60
QPH, BQH, BLH
1
2
3
120/240 15-70
120/240 15-125
240 15-100
7-224
Siemens Industry, Inc. SPEEDFAX Product Catalog