Eaton Molded Case Circuit Breaker Series-C, N-Frame

N-Frame (400–1200 Amperes)

Product Description

All Eaton N-Frame circuit breakers are suitable for reverse feed use
All N-Frame circuit breakers are HACR rated

Digitrip OPTIM 550 Electronic Circuit Breakers with Interchangeable Rating Plugs

Maximum Continuous Ampere Rating at 40°C	Circuit Breaker Frame Only			Digitrip OPTIM Rating Plug Only
	L – Adjustable Long Delay Pickup (Ir) with Adjustable Long Delay Time (I₂t or I₄t Response)₍₁₎ S – Adjustable Short Delay Pickup with Adjustable Short Delay Time (I₂t or Flat Response) I – Adjustable Instantaneous Pickup G – Adjustable Ground Fault Pickup with Adjustable Ground Fault Time Delay (I₂t or Flat Response) A – Adjustable Ground Fault Alarm with Adjustable Ground Fault Time Delay (I₂t or Flat Response) OPTIM 550₍₂₎			Digitrip OPTIM Rating Plug Only
	LSI	LSIG	LSIA	Ampere Rating	Fixed Rating Plug
Three-Pole Standard Interrupting Capacity 600 Vac Rated 50 kAIC at 480 Vac
800	ND3800T52W	ND3800T56W	ND3800T57W	400	ORPN80A400
				450	ORPN80A450
				500	ORPN80A500
				550	ORPN80A550
				600	ORPN80A600
				700	ORPN80A700
				800	ORPN80A800
1200	ND312T52W	ND312T56W	ND312T57W	600	ORPN12A600
				700	ORPN12A700
				800	ORPN12A800
				1000	ORPN12A100
				1200	ORPN12A120
Three-Pole High Interrupting Capacity 600 Vac Rated 65 kAIC at 480 Vac
800	HND3800T52W	HND3800T56W	HND3800T57W	400	ORPN80A400
				450	ORPN80A450
				500	ORPN80A500
				550	ORPN80A550
				600	ORPN80A600
				700	ORPN80A700
				800	ORPN80A800
1200	HND312T52W	HND312T56W	HND312T57W	600	ORPN12A600
				700	ORPN12A700
				800	ORPN12A800
				1000	ORPN12A100
				1200	ORPN12A120
Three-Pole Ultra High Interrupting Capacity 600 Vac Rated 100 kAIC at 480 Vac
800	NDC3800T52W	NDC3800T56W	NDC3800T57W	400	ORPN80A400
				450	ORPN80A450
				500	ORPN80A500
				550	ORPN80A550
				600	ORPN80A600
				700	ORPN80A700
				800	ORPN80A800
1200	NDC312T52W	NDC312T56W	NDC312T57W	600	ORPN12A600
				700	ORPN12A700
				800	ORPN12A800
				1000	ORPN12A100
				1200	ORPN12A120

Digitrip OPTIM 1050 Electronic Circuit Breakers with Interchangeable Rating Plugs

Maximum Continuous Ampere Rating at 40°C	Circuit Breaker Frame Only			Digitrip OPTIM Rating Plug Only
	L – Adjustable Long Delay Pickup (Ir) with Adjustable Long Delay Time (I₂t or I₄t Response)₍₁₎ S – Adjustable Short Delay Pickup with Adjustable Short Delay Time (I₂t or Flat Response) I – Adjustable Instantaneous Pickup G – Adjustable Ground Fault Pickup with Adjustable Ground Fault Time Delay (I₂t or Flat Response) A – Adjustable Ground Fault Alarm with Adjustable Ground Fault Time Delay (I₂t or Flat Response) OPTIM 1050₍₂₎			Digitrip OPTIM Rating Plug Only
	LSIG	LSIA	Ampere Rating	Fixed Rating Plug
Three-Pole Standard Interrupting Capacity 600 Vac Rated 50 kAIC at 480 Vac
800	ND3800T106W	ND3800T107W	400	ORPN80A400
			450	ORPN80A450
			500	ORPN80A500
			550	ORPN80A550
			600	ORPN80A600
			700	ORPN80A700
			800	ORPN80A800
1200	ND312T106W	ND312T107W	600	ORPN12A600
			700	ORPN12A700
			800	ORPN12A800
			1000	ORPN12A100
			1200	ORPN12A120
Three-Pole High Interrupting Capacity 600 Vac Rated 65 kAIC at 480 Vac
800	HND3800T106W	HND3800T107W	400	ORPN80A400
			450	ORPN80A450
			500	ORPN80A500
			550	ORPN80A550
			600	ORPN80A600
			700	ORPN80A700
			800	ORPN80A800
1200	HND312T106W	HND312T107W	600	ORPN12A600
			700	ORPN12A700
			800	ORPN12A800
			1000	ORPN12A100
			1200	ORPN12A120
Three-Pole Ultra High Interrupting Capacity 600 Vac Rated 100 kAIC at 480 Vac
800	NDC3800T106W	NDC3800T107W	400	ORPN80A400
			450	ORPN80A450
			500	ORPN80A500
			550	ORPN80A550
			600	ORPN80A600
			700	ORPN80A700
			800	ORPN80A800
1200	NDC312T106W	NDC312T107W	600	ORPN12A600
			700	ORPN12A700
			800	ORPN12A800
			1000	ORPN12A100
			1200	ORPN12A120

NOTES:
(1) Long delay I₄t response selection limits short delay time to flat response.
(2) One Form C auxiliary switch and one Form C bell (trip) alarm switch supplied with breaker as standard.
(3) Factory sealed.

100% Rated Digitrip OPTIM 550 Circuit Breakers with Interchangeable Rating Plugs

Maximum Continuous Ampere Rating at 40°C	Circuit Breaker Frame Only			Digitrip OPTIM Rating Plug Only
	L – Adjustable Long Delay Pickup (Ir) with Adjustable Long Delay Time (I₂t or I₄t Response)₍₁₎ S – Adjustable Short Delay Pickup with Adjustable Short Delay Time (I₂t or Flat Response) I – Adjustable Instantaneous Pickup G – Adjustable Ground Fault Pickup with Adjustable Ground Fault Time Delay (I₂t or Flat Response) A – Adjustable Ground Fault Alarm with Adjustable Ground Fault Time Delay (I₂t or Flat Response) OPTIM 550₍₂₎			Digitrip OPTIM Rating Plug Only
	LSI	LSIG	LSIA	Ampere Rating	Fixed Rating Plug
Three-Pole Standard Interrupting Capacity 600 Vac Rated 50 kAIC at 480 Vac
800	CND3800T52W	CND3800T56W	CND3800T57W	400	ORPN80A400
				450	ORPN80A450
				500	ORPN80A500
				550	ORPN80A550
				600	ORPN80A600
				700	ORPN80A700
				800	ORPN80A800
1200₍₃₎	CND312T52W	CND312T56W	CND312T57W	600	ORPN12A600
				700	ORPN12A700
				800	ORPN12A800
				1000	ORPN12A100
				1200	ORPN12A120
Three-Pole High Interrupting Capacity 600 Vac Rated 65 kAIC at 480 Vac
800	CHND3800T52W	CHND3800T56W	CHND3800T57W	400	ORPN80A400
				450	ORPN80A450
				500	ORPN80A500
				550	ORPN80A550
				600	ORPN80A600
				700	ORPN80A700
				800	ORPN80A800
1200	CHND312T52W	CHND312T56W	CHND312T57W	600	ORPN12A600
				700	ORPN12A700
				800	ORPN12A800
				1000	ORPN12A100
				1200	ORPN12A120
Three-Pole Ultra High Interrupting Capacity 600 Vac Rated 100 kAIC at 480 Vac
800	CNDC3800T52W	CNDC3800T56W	CNDC3800T57W	400	ORPN80A400
				450	ORPN80A450
				500	ORPN80A500
				550	ORPN80A550
				600	ORPN80A600
				700	ORPN80A700
				800	ORPN80A800
1200₍₃₎	CNDC312T52W	CNDC312T56W	CNDC312T57W	600	ORPN12A600
				700	ORPN12A700
				800	ORPN12A800
				1000	ORPN12A100
				1200	ORPN12A120

NOTES:
(1) Long delay I₄t response selection limits short delay time to flat response.
(2) Zone interlocking, PowerNet, or both features can be added at the factory by adding suffixes ZG, PN or ZGP respectively to above part number.
(3) Includes conductor extension kit, which increases breaker length 3.75 on each end. Terminal ordered separate.

100% Rated Digitrip OPTIM 1050 Circuit Breakers with Interchangeable Rating Plugs

Maximum Continuous Ampere Rating at 40°C	Circuit Breaker Frame Only			Digitrip OPTIM Rating Plug Only
	L – Adjustable Long Delay Pickup (Ir) with Adjustable Long Delay Time (I₂t or I₄t Response)₍₁₎ S – Adjustable Short Delay Pickup with Adjustable Short Delay Time (I₂t or Flat Response) I – Adjustable Instantaneous Pickup G – Adjustable Ground Fault Pickup with Adjustable Ground Fault Time Delay (I₂t or Flat Response) A – Adjustable Ground Fault Alarm with Adjustable Ground Fault Time Delay (I₂t or Flat Response) OPTIM 1050₍₂₎			Digitrip OPTIM Rating Plug Only
	LSIG	LSIA	Ampere Rating	Fixed Rating Plug
Three-Pole Standard Interrupting Capacity 600 Vac Rated 50 kAIC at 480 Vac
800	CND3800T106W	CND3800T107W	400	ORPN80A400
			450	ORPN80A450
			500	ORPN80A500
			550	ORPN80A550
			600	ORPN80A600
			700	ORPN80A700
			800	ORPN80A800
1200	CND312T106W	CND312T107W	600	ORPN12A600
			700	ORPN12A700
			800	ORPN12A800
			1000	ORPN12A100
			1200	ORPN12A120
Three-Pole High Interrupting Capacity 600 Vac Rated 65 kAIC at 480 Vac
800	CHND3800T106W	CHND3800T107W	400	ORPN80A400
			450	ORPN80A450
			500	ORPN80A500
			550	ORPN80A550
			600	ORPN80A600
			700	ORPN80A700
			800	ORPN80A800
1200	CHND312T106W	CHND312T107W	600	ORPN12A600
			700	ORPN12A700
			800	ORPN12A800
			1000	ORPN12A100
			1200	ORPN12A120
Three-Pole Ultra High Interrupting Capacity 600 Vac Rated 100 kAIC at 480 Vac
800	CNDC3800T106W	CNDC3800T107W	400	ORPN80A400
			450	ORPN80A450
			500	ORPN80A500
			550	ORPN80A550
			600	ORPN80A600
			700	ORPN80A700
			800	ORPN80A800
1200	CNDC312T106W₍₄₎	CNDC312T107W	600	ORPN12A600
			700	ORPN12A700
			800	ORPN12A800
			1000	ORPN12A100
			1200	ORPN12A120

Type ND High Instantaneous (K)

Continuous Ampere Rating at 40°C	Three-Pole	Four-Pole
800	ND3800WK	ND4800WK
800	HND3800WK	HND4800WK
1200	ND312WK	ND412WK
1200	HND312WK	HND412WK

NOTES:
(1) Long delay I₄t response selection limits short delay time to flat response.
(2) One Form C auxiliary switch one Form C bell (trip) alarm switch supplied with breaker as standard
(3) Factory sealed.
(4) Includes conductor extension kit, which increases breaker length 3.75 on each end. Terminal ordered separate.
(5) Neutral is in right pole.
Molded case switch will trip above 14,000 amperes.
For UL listed, series tested molded case switch application data, refer to Eaton.

Accessories Selection Guide and Ordering Information

N-Frame circuit breakers use Cu/AI terminals as standard. When optional copper or Cu/AI terminals are required, order by catalog number. Specify if factory installation is required.


TA700NB1	TA1000NB1	TA1200NB1	TA1201NB1	T700NB1	T1000NB1

Line and Load Terminals

Maximum Breaker Amperes	Terminal Body Material	Wire Type	AWG Wire Range/ No. Conductors	Metric Wire Range mm₂	Part Number
Standard Cu/AI Pressure Terminals
700	Aluminum	Cu/AI	1–500 kcmil (2)	50–240	TA700NB1
1000	Aluminum	Cu/AI	3/0–400 kcmil (3)	95–185	TA1000NB1₍₁₎
1200	Aluminum	Cu/AI	4/0–500 kcmil (4)	120–240	TA1200NB1₍₁₎
1200	Aluminum	Cu/AI	500–750 kcmil (3)	300–400	TA1201NB1₍₁₎
Optional Copper and Cu/AI Pressure Type Terminals
700	Copper	Cu	2/0–500 kcmil (2)	70–240	T700NB1
1000	Copper	Cu	3/0–500 kcmil (3)	95–240	T1000NB1
1200	Copper	Cu	3/0–400 kcmil (4)	95–185	T1200NB3

NOTES:
(1) Terminal rating is AL9CU.
(2)Terminal rating is AL7CU.