Speedfax 2017

Molded Case Circuit Breakers
Reference Guide
Revised on 10/31/18
Selection/Application
Page 7-175 7-179 7-183
Breaker Frame Family DG FG JG
Continuous Amps 30–150A 40–250A 70–400A
Poles 2, 3 2, 3 2, 3
Max. Volts AC 600Y/347V 600Y/347V 600V
Breaker Type NDGA HDGA LDGA NFGA HFGA LFGA NJGA HJGA LJGA
Interrupting Class N H L N H L N H L
240Vac 65 100 200 65 100 200 65 100 200
Interrupting UL 480Vac 35 65 100 35 65 100 35 65 100
Rating RMS
600Vac 18 18 18 18 18 18 25 25 25
Symmetrical
Ratings Amperes
220/240Vac 65/65 100/75 200/150 65/65 100/75 200/150 65/65 100/75 200/150
AC 50/60Hz l CU /l CS 380/415Vac 40/40 70/70 100/75 40/40 70/70 100/75 45/45 70/70 100/75
690Vac 12/6 12/6 12/6 12/6 12/6 12/6 12/6 15/8 15/8
DC
250Vdc (2-Pole) 30 30 30 30 30 30 30 30 30
Ratings (UL) b 600Vdc (3-Pole) — — — — 42 — — 65 —
Interrupting
500Vdc (3-Pole) 18 18 18 18 18 30 25 35 35
Dimensions
in Inches
Trip Unit
Information
Specific
Application
Breakers
Accessories &
Modifications
1-Pole — —
2-Pole 6.9H x 4.1W x 3.4D 11H x 5.5W x 4.2D
3-Pole 6.9H x 4.1W x 3.4D 11H x 5.5W x 4.2D
4-Pole — —
Thermal-Magnetic u u u
Electronic u u u
Electronic with LCD u u u
Interchangeable Trip Unit — — u
Reverse Feed (w/Non-Interchangeable Trip) u u u
Communications Capability u u u
Molded Case Switch u u u
Motor Circuit Protector u u u
100% Rated u u
50°C Calibrated
Auxiliary Switch u u u
Alarm Switch u u u
Shunt Trip u u u
Undervoltage Release u u u
Mechanical Interlocks u u u
Electric Motor or Stored Energy Operator u u u
Rear Connecting Studs u u u
Plug-In Mounting Assy. w/Trip Interlock u u u
Draw-Out Assembly u u u
Handle Mechanism Options u u u
Enclosures NEMA 3R – Outdoor, Rain Proof u u
NEMA 4, 4X – Stainless Steel u u
NEMA 1 – Indoor, Surface Mount u u
NEMA 1 – Indoor, Flush Mount u u
NEMA 7, 9 – Hazardous Locations
NEMA 12 – Dust u u
Terminal Shields u u u
Distribution Lugs u u u
Ground Sensor (Neutral Transformer) u u u
7
MOLDED CASE
CIRCUIT BREAKERS
a 500Vdc nominal, 600Vdc max. for ungrounded DC UPS systems.
b DC Interrupting Ratings are not applicable to electronic circuit breakers.
Communications available via a COMPRO or COMMOD modules using Profibus or Modbus protocols.
Consult Siemens for availability.
“Non-metallic” NEMA 4X enclosure for NGG breakers.
Special version, see page 7-204.
GG are not VL family breakers and do not share common VL accessories.
304 and 316 Stainless Steel
Siemens Industry, Inc. SPEEDFAX Product Catalog 7-17