Complete Breaker (Includes Frame, Trip Unit, Standard Terminals and Mounting Hardware)
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 (I
2
t 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 I n | 2–8 x I n | 2–8 x I n | 2–8 x I n | 2–8 x I n | 2–8 x I n | ||
| 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 | — | — |
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 (I
2
t 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 I n | 2–8 x I n | 2–8 x I n | 2–8 x I n | 2–8 x I n | 2–8 x I n | |
| 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 | — |
| 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.
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 (I
2
t 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 I n | 2–8 x I n | 2–8 x I n | 2–8 x I n | 2–8 x I n | 2–8 x I n | ||
| 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 | — | — |
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 (I
2
t 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 I n | 2–8 x I n | 2–8 x I n | 2–8 x I n | 2–8 x I n | 2–8 x I n | ||
| 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).
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 mm 2 |
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 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 |
| Description | Part Number |
| Three-pole terminal shield | NTS3K |
| Description | Part Number |
| Three-pole both ends Metric | 5104A24G04 |
| Three-pole both ends English | 5104A24G02 |
Included with breaker. Additional handle extensions are available.
| Description | Part Number |
| Single handle extension | HEX5 |
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 |
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.