EATON Molded Case Circuit Breakers Series-G, Frame Size - NG

Eaton Molded Case Circuit Breaker Series-G Family Photo
Molded Case Circuit Breaker Over

Series-G, Frame Size-NG

Complete Breaker (Includes Frame, Trip Unit, Standard Terminals and Mounting Hardware)

LG-Frame—630 Amperes (600 Amperes UL, CSA) IC Rating: 35 kAIC at 415 and 480 Vac(1)

Circuit Breaker Frame Including Digitrip RMS 310+ Electronic Trip Unit with Imperial Tapped Conductors
L – Adjustable Long Delay Pickup
S– Adjustable Short Delay Pickup with Fixed Short Delay Time (I2t Response) or Adjustable Short Delay Time (Flat Response)
I – Adjustable Instantaneous Pickup by Setting Short Delay Time to Instantaneous
G – Adjustable Ground Fault Pickup with Adjustable Ground Fault Delay (Flat Response)

Maximum
Continuous
Ampere
Rating
at 40°C		 Number
of Poles		 LS LSI LSG LSIG ALSI ALSIG Neutral CT
for LSG & LSIG
Short Time Range 2–8 x In 2–8 x In 2–8 x In 2–8 x In 2–8 x In 2–8 x In
Short Time Delay — I–300 ms — I–300 ms I–300 ms I–300 ms
Ground Fault Pickup — — 200–1200A 200–1200A — 200–1200A
Ground Fault Delay — — I–500 ms I–500 ms — I–500 ms
800 3 NGS308033E NGS308032E NGS308035E NGS308036E NGS308038E NGS308039E NGFCT120
4(4) NGS408033E NGS408032E NGS408035E NGS408036E NGS408038E NGS408039E —
4(5) NGS708033E NGS708032E — — NGS708038E — —
4(6) NGS908033E NGS908032E — — NGS908038E — —
1200(3) 3 NGS312033E NGS312032E NGS312035E NGS312036E NGS312038E NGS312039E NGFCT120
4(4) NGS412033E NGS412032E NGS412035E NGS412036E — NGS412039E —
4(5) NGS712033E NGS712032E — — NGS712038E — —
4(6) NGS912033E NGS912032E — — NGS912038E — —

Type NGS Standard Interrupting Capacity—Ue Max. 690 Vac, 50 kA Icu at 415 Vac

Circuit Breaker Frame Including Digitrip RMS 310+ Electronic Trip Unit with Imperial Tapped Conductors
L – Adjustable Long Delay Pickup
S– Adjustable Short Delay Pickup with Fixed Short Delay Time (I2t Response) or Adjustable Short Delay Time (Flat Response)
I – Adjustable Instantaneous Pickup by Setting Short Delay Time to Instantaneous
G – Adjustable Ground Fault Pickup with Adjustable Ground Fault Delay (Flat Response)

Maximum
Continuous
Ampere
Rating
at 40°C		 Number
of Poles		 LS LSI LSG LSIG ALSI ALSIG
Short Time Range 2–8 x In 2–8 x In 2–8 x In 2–8 x In 2–8 x In 2–8 x In
Short Time Delay — I–300 ms — I–300 ms I–300 ms I–300 ms
Ground Fault Pickup — — 200–1200A 200–1200A — 200–1200A
Ground Fault Delay — — I–500 ms I–500 ms — I–500 ms
1600(3) 3 NGS316033M NGS316032M NGS316035M NGS316036M NGS316038M NGS316039M
4(4) NGS416033M NGS416032M NGS416035M NGS416036M NGS416038M NGS416039M
4(5) NGS716033M NGS716032M — — NGS716038M —
4(6) NGS916033M NGS916032M — — NGS916038M —

Molded Case Switches(7)(8) — Ue Maximum 690 Vac

Ampere Rating Three-Pole Part Number Four-Pole Part Number
800 MCS with Imperial line and load terminals NGK3080KSE MCS with Imperial line and load terminals NGK4080KSE
1200 MCS with Imperial line and load terminals NGK3120KSE MCS with Imperial line and load terminals NGK4120KSE
1250 MCS with Imperial line and load terminals NGK3125KSE MCS with Imperial line and load terminals NGK43125KSE

NOTES:
(1) For AC use only.
(2) NG MCCBs are suitable for 40°C or 50°C applications. Order suffix V3 to eliminate standard 40°C labeling.
(3) Non-UL listed NG 1250 with 1250 ampere trip unit is also available.
(4) Neutral 0% protected. NG, neutral in right pocket; GN, neutral in left pocket.
(5) Neutral 100% protected (denoted by 7 in digit four).
(6) Neutral 0%/60%/100% adjustable protection (denoted by 9 in digit four).
(7) Neutral 0%/60%/100% adjustable protection (denoted by 9 in digit four).
(8) For two-pole applications, use outer poles of three-pole molded case switch.

Type NGS Standard Interrupting Capacity—Ue Max. 690 Vac, 50 kA lcu at 480 Vac or 415 Vac

Circuit Breaker Frame Including Digitrip RMS 310+ Electronic Trip Unit with Imperial Tapped Conductors
L – Adjustable Long Delay Pickup
S– Adjustable Short Delay Pickup with Fixed Short Delay Time (I2t Response) or Adjustable Short Delay Time (Flat Response)
I – Adjustable Instantaneous Pickup by Setting Short Delay Time to Instantaneous
G – Adjustable Ground Fault Pickup with Adjustable Ground Fault Delay (Flat Response)

Maximum
Continuous
Ampere
Rating
at 40°C		 Number
of Poles		 LS LSI LSG LSIG ALSI ALSIG Neutral CT
for LSG & LSIG
Short Time Range 2–8 x In 2–8 x In 2–8 x In 2–8 x In 2–8 x In 2–8 x In
Short Time Delay — I–300 ms — I–300 ms I–300 ms I–300 ms
Ground Fault Pickup — — 200–1200A 200–1200A — 200–1200A
Ground Fault Delay — — I–500 ms I–500 ms — I–500 ms
800 3 NGH308033E NGH308032E NGH308035E NGH308036E NGH308038E NGH308039E NGFCT120
4(4) NGH408033E NGH408032E NGH408035E NGH408036E NGH408038E NGH408039E —
4(5) NGH708033E NGH708032E — — NGH708038E — —
4(6) NGH908033E NGH908032E — — NGH908038E — —
1200 3 NGH312033E NGH312032E NGH312035E NGH312036E NGH312038E NGH312039E NGFCT120
4(4) NGH412033E NGH412032E NGH412035E NGH412036E — NGH412039E —
4(5) NGH712033E NGH712032E — — NGH712038E — —
4(6) NGH912033E NGH912032E — — NGH912038E — —

Type NGC Very High Capacity—Ue Max. 690 Vac, 100 kA lcu at 480 Vac or 415 Vac

Circuit Breaker Frame Including Digitrip RMS 310+ Electronic Trip Unit with Imperial Tapped Conductors
L – Adjustable Long Delay Pickup
S– Adjustable Short Delay Pickup with Fixed Short Delay Time (I2t Response) or Adjustable Short Delay Time (Flat Response)
I – Adjustable Instantaneous Pickup by Setting Short Delay Time to Instantaneous
G – Adjustable Ground Fault Pickup with Adjustable Ground Fault Delay (Flat Response)

Maximum
Continuous
Ampere
Rating
at 40°C		 Number
of Poles		 LS LSI LSG LSIG ALSI ALSIG Neutral CT
for LSG & LSIG
Short Time Range 2–8 x In 2–8 x In 2–8 x In 2–8 x In 2–8 x In 2–8 x In
Short Time Delay — I–300 ms — I–300 ms I–300 ms I–300 ms
Ground Fault Pickup — — 200–1200A 200–1200A — 200–1200A
Ground Fault Delay — — I–500 ms I–500 ms — I–500 ms
800 3 NGC308033E NGC308032E NGC308035E NGC308036E NGC308038E NGC308039E NGFCT120
4(4) NGC408033E NGC408032E NGC408035E NGC408036E NGC408038E NGC408039E —
4(5) NGC708033E NGC708032E — — NGC708038E — —
4(6) NGC908033E NGC908032E — — NGC908038E — —
1200(3) 3 NGC312033E NGC312032E NGC312035E NGC312036E NGC312038E NGC312039E NGFCT120
4(4) NGC412033E NGC412032E NGC412035E NGC412036E — NGC412039E —
4(5) NGC712033E NGC712032E — — NGC712038E — —
4(6) NGC912033E NGC912032E — — NGC912038E — —

NOTES:
(1) For AC use only.
(2) NG MCCBs are suitable for 40°C or 50°C applications. Order suffix V3 to eliminate standard 40°C labeling.
(3) Neutral 0% protected. NG, neutral in right pocket; GN, neutral in left pocket.
(4) Neutral 100% protected (denoted by 7 in digit four).
(5) Neutral 0%/60%/100% adjustable protection (denoted by 9 in digit four).

Accessories Selection Guide and Ordering Information

Line and Load Terminals

N-Frame circuit breakers do not include terminals as standard. When copper or Cu/Al terminals are required, order by catalog number.

Maximum Breaker Amperes Terminal
Body Material		 Wire Type AWG Wire
(Number of
Conductors)		 AWG Wire
Part
Number(1)		 Metric Wire
Range mm2		 Metric
Part
Number(1)
Standard Cu/Al Pressure Terminals
700 Aluminum Cu/Al 1-500 (2) TA700NB1 50-240 TA700NB1M
1000 Aluminum Cu/Al 3/0-400 (3) TA1000NB1 95-185 TA1000NB1M
1200 Aluminum Cu/Al 4/0-500 (4) TA1200NB1 120-240 TA1200NB1M
1200 Aluminum Cu/Al 500-750 (3) TA1201NB1 300-400 TA1201NB1M
Optional Copper and Cu/Al Pressure Type Terminals
700 Copper Cu 2/0-500 (2) T700NB1 70-240 T700NB1M
1000 Copper Cu 3/0-500 (3) T1000NB1 95-240 T1000NB1M
1200 Copper Cu 3/0-400 (4) T1200NB3 95-185 T1200NB3M

Base Mounting Hardware(2)

Base mounting hardware is included with a circuit breaker or molded case switch.

Number of Poles Description Part Number
Three and
Four-pole		 Imperial hardware:
0.3125–18 x 1.25
pan-head steel screws
and lock washers		 BMH5
Three- and four-pole Metric hardware:
M8 pan-head steel screws
and lock washers		 BMH5M

Terminal Shield

Description Part Number
Three-pole terminal shield NTS3K

Conductor Extension Kit(3)

Description Part Number
Three-pole both ends Metric 5104A24G04
Three-pole both ends English 5104A24G02

Handle Extension

Included with breaker. Additional handle extensions are available.

Description Part Number
Single handle extension HEX5

Interphase Barriers

The interphase barriers provide additional electrical clearance between circuit breaker poles for special termination applications. Barriers are high dielectric insulating plates that are installed in the molded slots between the terminals. (Field installation only.)

Description Part Number
Interphase barriers IPB5

Wire Seal

The wire seal can be used to secure the cover of the trip unit to prevent adjustments after settings are confirmed.

Description Part Number
Wire seal 5108A03H01

NOTES:
(1) Single terminals individually packed.
(2) Metric hardware included with breaker.
(3) Included as standard on 100% rated 800/1200A breakers.

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