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7 CIRCUIT BREAKERS MOLDED CASE
Siemens / Speedfax Previous folio: 6-69 Updated by TA 02/03/11
Molded Case Circuit Breakers
Adjustable Installments Magnetic Trip Settings Application
Note: Tolerances for instantaneous trip points meet UL 489
(7.3). Nominal AC instantaneous trip points are given
in the tables. For DC instantaneous trip points, add 15%
to nominal values.
Instantaneous trip adjustment is made through the
breaker cover on all frame breakers. To change instantaneous
trip point on circuit breaker, depress indicating
knob, then rotate to desired position.
n Built to order. Allow 2–3 weeks for delivery.
?Maximum Nominal ETI Motor Circuit Protector Thermal Magnetic
Breaker Continuous AC Adjustable Trip Range Catalog Number Catalog Number
Type Amperes Low 2 3 4 5 6 7 High 3-Pole 2-Pole 3-Pole
?3 9 15 21 27 30 — — 33 HEM3M003L — —
?7 21 35 49 63 70 — — 77 HEM3M007L — —
?15 45 75 100 135 150 — — 165 HEM3M015L — —
?HEM 30 90 150 210 270 300 — — 330 HEM3M030L — —
?50 150 250 350 450 500 — — 550 HEM3M050L — —
?70 210 350 490 630 700 — — 770 HEM3M070L — —
?100 300 500 700 900 1000 — — 1100 HEM3M100L — —
?1 2.6 4.5 6 7.5 — — — 9 ED63A001 — —
?2 7 11 15 19 — — — 22 ED63A002 — —
?3 10 17 23 30 — — — 35 ED63A003 — —
?5 16 26 36 46 — — — 54 ED63A005 — —
?10 30 50 70 85 — — — 100 ED63A010 — —
ED6 25 55 90 125 155 — — — 180 ED63A025 — —
?30 80 135 185 235 — — — 270 ED63A030 — —
?40 115 185 255 325 — — — 375 ED63A040 — —
?50 180 300 410 520 — — — 600 ED63A050 — —
?100 315 540 740 890 — — — 1000 ED63A100 — —
?125 500 720 920 1100 — — — 1250 ED63A125 — —
?1 2.6 4.5 6 7.5 — — — 9 CED63A001n — —
?2 7 11 15 19 — — — 22 CED63A002n — —
?3 10 17 23 30 — — — 35 CED63A003n — —
?5 16 26 36 46 — — — 54 CED63A005n — —
?10 30 50 70 85 — — — 100 CED63A010n — —
CED6 25 55 90 125 155 — — — 180 CED63A025n — —
?30 80 135 185 235 — — — 270 CED63A030n — —
?40 115 185 255 325 — — — 375 CED63A040n — —
?50 180 300 410 520 — — — 600 CED63A050 — —
?100 315 540 740 890 — — — 1000 CED63A100 — —
?125 500 720 920 1100 — — — 1250 CED63A125 — —
?70 600 640 690 730 770 810 850 900 — FXD62B070 FXD63B070
?80 600 640 690 730 770 810 850 900 — FXD62B080 FXD63B080
?90 600 640 690 730 770 810 850 900 — FXD62B090 FXD63B090
?100 700 770 840 920 990 1060 1140 1200 — FXD62B100 FXD63B100
?110 700 770 840 920 990 1060 1140 1200 — FXD62B110 FXD63B110
?125 800 900 1000 1100 1200 1300 1400 1500 — FXD62B125 FXD63B125
FXD6-A 150 400 460 520 580 640 700 760 820 FXD63L150 — —
?150 800 900 1000 1100 1200 1300 1400 1500 FXD63A150 FXD62B150 FXD63B150
?150 1100 1300 1500 1700 1900 2100 2300 2500 FXD63H150 — —
?175 900 1060 1210 1370 1520 1780 1930 2000 — FXD62B175 FXD63B175
?200 900 1060 1210 1370 1520 1780 1930 2000 — FXD62B200 FXD63B200
?225 1100 1300 1500 1700 1900 2100 2300 2500 — FXD62B225 FXD63B225
?250 1100 1300 1500 1700 1900 2100 2300 2500 FXD63A250 FXD62B250 FXD63B250
?70 600 640 690 730 770 810 850 900 — FD62B070 FD63B070
?80 600 640 690 730 770 810 850 900 — FD62B080 FD63B080
?90 600 640 690 730 770 810 850 900 — FD62B090 FD63B090
?100 700 770 840 920 990 1060 1140 1200 — FD62B100 FD63B100
?110 700 770 840 920 990 1060 1140 1200 — FD62B110 FD63B110
FD6-A 125 800 900 1000 1100 1200 1300 1400 1500 — FD62B125 FD63B125
?150 800 900 1000 1100 1200 1300 1400 1500 — FD62B150 FD63B150
?175 900 1060 1210 1370 1520 1780 1930 2000 — FD62B175 FD63B175
?200 900 1060 1210 1370 1520 1780 1930 2000 — FD62B200 FD63B200
?225 1100 1300 1500 1700 1900 2100 2300 2500 — FD62B225 FD63B225
?250 1100 1300 1500 1700 1900 2100 2300 2500 — FD62B250 FD63B250
?70 600 640 690 730 770 810 850 900 — HFD62B070 HFD63B070
?80 600 640 690 730 770 810 850 900 — HFD62B080 HFD63B080
?90 600 640 690 730 770 810 850 900 — HFD62B090 HFD63B090
?100 700 770 840 920 990 1060 1140 1200 — HFD62B100 HFD63B100
?110 700 770 840 920 990 1060 1140 1200 — HFD62B110 HFD63B110
?HFD6 125 800 900 1000 1100 1200 1300 1400 1500 — HFD62B125 HFD63B125
?150 800 900 1000 1100 1200 1300 1400 1500 — HFD62B150 HFD63B150
?175 900 1060 1210 1370 1520 1780 1930 2000 — HFD62B175 HFD63B175
?200 900 1060 1210 1370 1520 1780 1930 2000 — HFD62B200 HFD63B200
?225 1100 1300 1500 1700 1900 2100 2300 2500 — HFD62B225 HFD63B225
?250 1100 1300 1500 1700 1900 2100 2300 2500 — HFD62B250 HFD63B250
?70 600 640 690 730 770 810 850 900 — — HHFD63B070
?80 600 640 690 730 770 810 850 900 — — HHFD63B080
?90 600 640 690 730 770 810 850 900 — — HHFD63B090
?100 700 770 840 920 990 1060 1140 1200 — — HHFD63B100
?110 700 770 840 920 990 1060 1140 1200 — — HHFD63B110
?HHFD6 125 800 900 1000 1100 1200 1300 1400 1500 — — HHFD63B125
?150 800 900 1000 1100 1200 1300 1400 1500 — — HHFD63B150
?175 900 1060 1210 1370 1520 1780 1930 2000 — — HHFD63B175
?200 900 1060 1210 1370 1520 1780 1930 2000 — — HHFD63B200
?225 1100 1300 1500 1700 1900 2100 2300 2500 — — HHFD63B225
?250 1100 1300 1500 1700 1900 2100 2300 2500 — — HHFD63B250
?70 600 640 690 730 770 810 850 900 — CFD62B070 CFD63B070
?80 600 640 690 730 770 810 850 900 — CFD62B080 CFD63B080
?90 600 640 690 730 770 810 850 900 — CFD62B090 CFD63B090
?100 700 770 840 920 990 1060 1140 1200 — CFD62B100 CFD63B100
?110 700 770 840 920 990 1060 1140 1200 — CFD62B110 CFD63B110
?125 800 900 1000 1100 1200 1300 1400 1500 — CFD62B125 CFD63B125
CFD6 150 400 460 520 580 640 700 760 820 CFD63L150 — —
?150 800 900 1000 1100 1200 1300 1400 1500 CFD63A150 CFD62B150 CFD63B150
?150 1100 1300 1500 1700 1900 2100 2300 2500 CFD63H150 — —
?175 900 1060 1210 1370 1520 1780 1930 2000 — CFD62B175 CFD63B175
?200 900 1060 1210 1370 1520 1780 1930 2000 — CFD62B200 CFD63B200
?225 1100 1300 1500 1700 1900 2100 2300 2500 — CFD62B225 CFD63B225
?250 1100 1300 1500 1700 1900 2100 2300 2500 CFD63A250 CFD62B250 CFD63B250
7-78 Siemens Industry, Inc. SPEEDFAX? 2011 Product Catalog
7 MOLDED CASE CIRCUIT BREAKERS
Siemens / Speedfax Previous folio: 6-62 NO Edits rev2
Molded Case Circuit Breakers
Adjustable Instantaneous Magnetic Trip Settings Application
?Maximum Nominal ETI Motor Circuit Protector Thermal Magnetic
Breaker Continuous AC Adjustable Trip Range Catalog Number Catalog Number
D6 LD63B600 or 600 JD6c JD63B300 300 FXD6 or FXD63B225 225
LMD6 LMD63B600 LMD63B600 JD6c JD63B225 225
200 LMD6 LMD63B800 800 LMD6 LMD63B800 800 JD6c JD63B350 350 JD6c JD63B300 300
250 — — — — — — JD6c JD63B400 400 JD6c JD63B400 400
300 — — — — — — LD6c or LD63B600 or 600 JD6c JD63B400 400 LMD6 LMD63B600
350 — — — — — — LMD6 LMD63B700 700 LD6c or LD63B500 or 500 LMD6 LMD63B500
400 — — — — — — LMD6 LMD63B800 800 LD6c or LD63B600 or 600 LMD6 LMD63B600
500 — — — — — — — — — LMD6 LMD63B800 800
? Revised ?
04/15/16
Siemens Industry, Inc. SPEEDFAX? 2011 Product Catalog 7-77
Siemens Industry, Inc. SPEEDFAX? 2011 Product Catalog 7-75
7 CIRCUIT BREAKERS MOLDED CASE
Siemens / Speedfax Previous folio: 6-67 Updated by TA 02/03/11
Molded Case Circuit Breakers
Motor Circuits Application
ETI Trip Setting
Motor Full Catalog AdjustLoad
Amperes Number ment Amperes
95.00 – 110.00 Low 1250 110.00 – 124.00 2 1430 138.00 – 151.00 JXD63L400 4 1790 165.00 – 178.00 CJD63L400 6 2140 178.00 – 192.00 7 2320 192.00 – 227.00 High 2500
154.00 – 176.00 Low 2000 176.00 – 198.00 2 2290 220.00 – 242.00 JXD63H400 4 2860 264.00 – 285.00 CJD63H400 6 3430 285.00 – 308.00 7 3710 308.00 – 326.00 High 4000
155.00 – 176.00 Low 2000
176.00 – 198.00 2 2290
220.00 – 242.00 LXD63L600 4 2860
264.00 – 285.00 CLD63L600 6 3430
285.00 – 308.00 7 3710
308.00 – 326.00 High 4000
231.00 – 264.00 Low 3000
264.00 – 292.00 2 3430
330.00 – 362.00 LXD63H600 4 4290
395.00 – 428.00 CLD63H600 6 5140
428.99 – 462.00 7 5570
462.00 – 490.00 High 6000
215.00 – 238.00 Low 2800
238.00 – 261.00 2 3100
261.00 – 284.00 3 3400
308.00 – 369.00 LMXD63L800 5 4000
369.00 – 423.00 6 4800
423.00 – 462.00 7 5500
462.00 – 490.00 High 6000
246.00 – 269.00 Low 3200
269.00 – 284.00 2 3500
284.00 – 323.00 3 3700
362.00 – 492.00 LMXD63A800 5 4700
492.00 – 562.00 6 6400
562.00 – 616.00 7 7300
616.00 – 660.00 High 8000
231.00 – 264.00 Low 3000
264.00 – 292.00 2 3430
292.00 – 330.00 3 3800
362.00 – 395.00 MXD63L800 5 4710 428.00 – 462.00 CMD63L800 7 5570 462.00 – 490.00 High 6000
308.00 – 352.00 Low 4000 352.00 – 442.00 2 4570 442.00 – 447.00 3 5740 483.00 – 527.00 MXD63A800 5 6280 571.00 – 616.00 CMD63A800 7 7240 616.00 – 660.00 High 8000
385.00 – 440.00 Low 5000 495.00 – 550.00 MXD63H800 3 6430 605.00 – 660.00 CMD63H800 5 7860 660.00 – 695.00 6 8575
General
Protection of Motor Circuits
Molded case circuit breakers are used in
motor circuits as a disconnecting means
and for short-circuit protection. They
should be used in conjunction with
motor-running, over-current-protection
devices, and should permit the motor
to start without nuisance tripping from
motor-inrush current. The circuit breaker
should have a continuous-current rating
of not less than 115% of the motor
full-load current.
The recommended motor circuit
protectors (Siemens ETI instantaneous
only circuit breakers) listed have
continuous-current ratings of at least
115% of motor full-load currents. The
trip-setting positions are approximately
11 times motor full-load currents. The
suggested trip settings may have to be
adjusted upward to no higher than 1300%
of full-load current for non-design E type
motors, and no greater than 1700% of full
load current for design E motors, to allow
for motor start-up due to inrush currents.
Breaker Mounted Immediately Ahead
of Motor Starter
Siemens ETI motor circuit protectors are
recommended for use in combination
motor starters to provide selective
short-circuit protection for the motor
branch circuit. The adjustable
instantaneous-trip feature of the Siemens
ETI motor circuit protector provides for a
trip setting slightly above the peak
motor-inrush current. With this setting,
no delay is introduced in opening the
circuit when a fault occurs. This circuit
breaker has no time-delay trip element.
Therefore it must be used in conjunction
with, and immediately ahead of, the
motor-running overcurrent protective
device.
Important: The information below does
not apply to all motor applications: it
is recommended that the user refer to
the National Electrical Code (NEC) for
specific needs.
Table 1 (When Breaker is Mounted Immediately Ahead of Motor Starter)
3-Phase Induction Type Motors (Siemens ETI motor circuit protectors for branch circuit use with alternating-current combination, full voltage motor starters).
Motor ETI Trip Setting
Full Load Catalog AdjustAmperes
Number ment Amperes
0.69 – 0.91 A (min) 9 1.1 – 1.3 B 15 1.6 – 1.7 C 21 2.0 – 2.2 HEM3M003L D 27 2.3 – 2.5 E 30 2.6 – 2.8 F (max) 33
1.5 – 2.0 A (min) 21 2.6 – 3.1 B 35 3.7 – 3.9 C 49 4.8 – 5.2 HEM3M007L D 63 5.3 – 5.7 E 70 5.8 – 6.1 F (max) 77
3.4 – 4.5 A (min) 45
5.7 – 6.8 B 75
8.0 – 9.1 C 100
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