Legacy Klockner Moeller 
NZM Circuit Breakers & Disconnect Switches

Klockner Moeller Legacy NZMH4 Circuit Breakers

Magnetic Only

Continuous Current Rating A	Adjustable Magnetic Trip Range A	Part Number
2.1	6 - 12	NZMH4- 2.1-12-OBI-CNA
3.7	11 - 20	NZMH4- 3.7-20-OBI-CNA
6.6	18 - 32	NZMH4- 6.6-32-OBI-CNA
10	28 - 50	NZMH4- 10-50-OBI-CNA
12	42 - 80	NZMH4- 12-80-OBI-CNA
15	64 - 120	NZMH4- 15-120-OBI-CNA
18	100 - 200	NZMH4- 18-200-OBI-CNA

Thermal-Mag

Adjustable Thermal Range A	Adjustable Magnetic Trip Range A	Part Number
4 - 6	40 - 80	NZMH4- 6-CNA
6 - 10	60 - 120	NZMH4- 10-CNA
10 - 16	100 - 200	NZMH4- 16-CNA
16 - 25	160 - 320	NZMH4- 25-CNA
25 - 40	260 - 500	NZMH4- 40-CNA
40 - 63	400 - 800	NZMH4- 63-CNA
63 - 80	600 - 1000	NZMH4- 80-CNA

Klockner Moeller Legacy NZM6 Circuit Breakers

Thermal-Magnetic (Fixed)

Fixed Thermal Setting A	Adjustable Magnetic Trip Range A	UL/CSA Interrupting Rating (Ka) 25kA @ 240V 25kA @ 480V 14kA @ 600V	UL/CSA Interrupting Rating (Ka) 100kA @ 240V 65kA @ 480V 25kA @ 600V
		Part Number	Part Number
15	160 - 320	NZM6B- 63/ZM6A-15-NA	NZMH6- 63/ZM6A-15-NA
20		NZM6B- 63/ZM6A-20-NA	NZMH6- 63/ZM6A-20-NA
25		NZM6B- 63/ZM6A-25-NA	NZMH6- 63/ZM6A-25-NA
30	260 - 500	NZM6B- 63/ZM6A-30-NA	NZMH6- 63/ZM6A-30-NA
35		NZM6B- 63/ZM6A-35-NA	NZMH6- 63/ZM6A-35-NA
40	400 - 800	NZM6B- 63/ZM6A-40-NA	NZMH6- 63/ZM6A-40-NA
50		NZM6B- 63/ZM6A-50-NA	NZMH6- 63/ZM6A-50-NA
60		NZM6B- 63/ZM6A-60-NA	NZMH6- 63/ZM6A-60-NA
70	600 - 1200	NZM6B- 100/ZM6A-70-NA	NZMH6- 100/ZM6A-70-NA
80		NZM6B- 100/ZM6A-80-NA	NZMH6- 100/ZM6A-80-NA
90		NZM6B- 100/ZM6A-90-NA	NZMH6- 100/ZM6A-90-NA
100		NZM6B- 100/ZM6A-100-NA	NZMH6- 100/ZM6A-100-NA
125		NZM6B- 125/ZM6A-125-NA	NZMH6- 125/ZM6A-125-NA

Thermal-Magnetic (Adjustable)

Maximum HP Rating 3 phase at				Adjustable Thermal Setting A	Adjustable Magnetic Trip Range A	UL/CSA Interrupting Rating (Ka) 25kA @ 240V 25kA @ 480V 14kA @ 600V	UL/CSA Interrupting Rating (Ka) 100kA @ 240V 65kA @ 480V 25kA @ 600V
200V HP	230V HP	460V HP	575V HP
						Part Number	Part Number
5	7.5	15	20	15 - 25	160 - 320	NZM6B- 63/ZM6-25-CNA	NZMH6- 63/ZM6-25-CNA
10	10	30	40	25 - 40	260 - 500	NZM6B- 63/ZM6-40-CNA	NZMH6- 63/ZM6-40-CNA
20	20	40	60	40 - 63	400 - 800	NZM6B- 63/ZM6-63-CNA	NZMH6- 63/ZM6-63-CNA
30	30	75	100	63 - 100	600 - 1200	NZM6B- 100/ZM6-100-CNA	NZMH6- 100/ZM6-100-CNA
40	40	100	125	100 - 125	1000 - 2000	NZM6B- 160/ZM6-125-CNA	NZMH6- 160/ZM6-125-CNA

Motor Disconnect Switch

Maximum HP Rating 3 phase at				Continuous Current Rating A	Part Number
200V HP	230V HP	460V HP	575V HP
20	25	50	60	63	N6-63-CNA
30	40	75	100	100	N6-100-CNA
40	60	100	125	150	N6-160-CNA

Mag-Only

Continuous Current Rating A	Adjustable Magnetic Trip Range A	Standard Interrupting Rating up to 600V AC	High Fault Interruption Rating up to 600V AC
		Part Number	Part Number
0.6	2.6 - 5	NZM6B- 63/ZM6-0.6-5-OBI-CNA	~
1.2	4 - 8	NZM6B- 63/ZM6-1.2-8-OBI-CNA	~
2.1	6 - 12	NZM6B- 63/ZM6-2.1-12-OBI-CNA	~
3.7	10 - 20	NZM6B- 63/ZM6-3.7-20-OBI-CNA	~
6.6	16 - 32	NZM6B- 63/ZM6-6.6-32-OBI-CNA	~
6.6	26 - 50	NZM6B- 63/ZM6-6.6-50-OBI-CNA	~
12	40 - 80	NZM6B- 63/ZM6-12-80-OBI-CNA	~
15.5	60 - 120	NZM6B- 63/ZM6-15-120-OBI-CNA	~
33	100 - 200	NZM6B- 63/ZM6-33-200-OBI-CNA	~
50	260 - 500	NZM6B- 63/ZM6-50-500-OBI-CNA	~
60	400 - 800	NZM6B-63/ZM6-60-800-OBI-CNA	~
80	260 - 500	NZM6B- 100/ZM6-80-500-OBI-CNA	~
100	600 - 1200	NZM6B- 100/ZM6-100-1200-OBI-CNA	~
125	1000 - 2000	NZM6B- 160/ZM6-125-2000-OBI-CNA	~
33	100 - 200	~	NZMH6- 63/ZM6-33-200-OBI-CNA
50	260 - 500	~	NZMH6- 63/ZM6-50-500-OBI-CNA
60	400 - 800	~	NZMH6- 63/ZM6-60-800-OBI-CNA
80	260 - 500	~	NZMH6- 63/ZM6-80-500-OBI-CNA
100	600 - 1200	~	NZMH6- 100/ZM6-100-1200-OBI-CNA
125	1000 - 2000	~	NZMH6- 160/ZM6-125-2000-OBI-CNA

Klockner Moeller Legacy NZM7 Circuit Breakers

Fixed

Continuous Current Rating A	Fixed Thermal Setting A	Magnetic Trip setting for Instantaneous Response A	Normal Interrupting Capacity 25 kA @ 480VAC 14 kA @ 600VAC	High Interrupting Capacity 50 kA @ 480VAC 22 kA @ 600VAC
			Part Number	Part Number
40	25	380	NZM7A-25N-NA	NZM7A- 25S-NA
	30	380	NZM7A- 30N-NA	NZM7A- 30S-NA
	35	380	NZM7A- 35N-NA	NZM7A- 35S-NA
	40	380	NZM7A- 40N-NA	NZM7A- 40S-NA
60	50	378 - 760	NZM7A- 50N-NA	NZM7A- 50S-NA
	60	378 - 760	NZM7A- 60N-NA	NZM7A- 60S-NA
80	70	480 - 960	NZM7A- 70N-NA	NZM7A- 70S-NA
	80	480 - 960	NZM7A- 80N-NA	NZM7A- 80S-NA
100	90	600 - 1200	NZM7A- 90N-NA	NZM7A- 90S-NA
	100	600 - 1200	NZM7A- 100N-NA	NZM7A- 100S-NA
125	125	750 - 1500	NZM7A- 125N-NA	NZM7A- 125S-NA
150	150	960 - 1900	NZM7A- 150N-NA	NZM7A- 150S-NA

Adjustable

Continuous Current Rating A	Adjustable Thermal Setting A	Magnetic Trip setting for Instantaneous Response A	Normal Interrupting Capacity 25 kA @ 480VAC 14 kA @ 600VAC	High Interrupting Capacity 50 kA @ 480VAC 22 kA @ 600VAC
			Part Number	Part Number
40	25 - 40	380	NZM7- 40N-NA	NZM7- 40S-NA
63	40 - 63	378 - 760	NZM7- 63N-NA	NZM7- 63S-NA
80	63 - 80	480 - 960	NZM7- 80N-NA	NZM7- 80S-NA
100	80 - 100	600 - 1200	NZM7- 100N-NA	NZM7- 100S-NA
125	80 - 125	750 - 1500	NZM7- 125N-NA	NZM7- 125S-NA
150	125 - 150	960 - 1900	NZM7- 150N-NA	NZM7-150S-NA

Disconnect Switch

Ampere Rating	Part Number
60	NZM7- 60-NA
100	NZM7- 100-NA
125	NZM7- 125-NA
150	NZM7- 150-NA
200	NZM7- 200-NA

Klockner Moeller Legacy NZM9 Circuit Breakers

Thermal-Magnetic Fixed

Fixed Thermal Setting A	Adjustable Magnetic Trip Range A	UL/CSA Interrupting Rating (Ka) 30kA @ 240V 25kA @ 480V 18kA @ 600V	UL/CSA Interrupting Rating (Ka) 200kA @ 240V 85kA @ 480V 42kA @ 600V
		Part Number	Part Number
70	600 - 1200	NZM9 -250/ZM9A-70-NA	NZMH9-250/ZM9A-70-NA
80		NZM9- 250/ZM9A-80-NA	NZMH9- 250/ZM9A-80-NA
90		NZM9- 250/ZM9A-90-NA	NZMH9- 250/ZM9A-90-NA
100	1000 - 2000	NZM9- 250/ZM9A-100-NA	NZMH9- 250/ZM9A-100-NA
125		NZM9- 250/ZM9A-125-NA	NZMH9- 250/ZM9A-125-NA
150		NZM9- 250/ZM9A-150-NA	NZMH9- 250/ZM9A-150-NA
175	1600 - 2400	NZM9- 250/ZM9A-175-NA	NZMH9- 250/ZM9A-175-NA
200		NZM9- 250/ZM9A-200-NA	NZMH9- 250/ZM9A-200-NA
225		NZM9- 250/ZM9A-225-NA	NZMH9- 250/ZM9A-225-NA
250		NZM9- 250/ZM9A-250-NA	NZMH9- 250/ZM9A-250-NA

Thermal-Magnetic Adjustable

Maximum HP Rating 3 phase at				Adjustable Thermal Setting A	Adjustable Magnetic Trip Range A	UL/CSA Interrupting Rating (Ka) 30kA @ 240V 25kA @ 480V 18kA @ 600V	UL/CSA Interrupting Rating (Ka) 200kA @ 240V 85kA @ 480V 42kA @ 600V
200V HP	230V HP	460V HP	575V HP
						Part Number	Part Number
30	30	75	100	63 - 100	600 - 1200	NZM9- 250/ZM9-100-CNA	NZMH9- 250/ZM9-100-CNA
50	60	125	150	100 - 160	1000 - 2000	NZM9- 250/ZM9-160-CNA	NZMH9- 250/ZM9-160-CNA
60	75	150	200	160 - 200	1600 - 2400	NZM9- 250/ZM9-200-CNA	NZMH9- 250/ZM9-200-CNA
75	75	150	225	200 - 250	1600 - 2400	NZM9- 250/ZM9-250-CNA	NZMH9- 250/ZM9-250-CNA

Motor Disconnect Switch

Maximum HP Rating 3 phase at				Continuous Current Rating A	Part Number
200V HP	230V HP	460V HP	575V HP
60	75	150	200	250	N9- 250-CNA

Mag-Only

Continuous Current Rating A	Adjustable Magnetic Trip Range A	Standard Interrupting Rating up to 600V AC	High Fault Interruption Rating up to 600V AC
		Part Number	Part Number
63	400 - 800	NZM9- 250/ZM9-63-800-OBI-CNA	NZMH9- 250/ZM9-63-800-OBI-CNA
100	600 - 1200	NZM9- 250/ZM9-100-1200-OBI-CNA	NZMH9- 250/ZM9-100-1200-OBI-CNA
160	1000 - 2000	NZM9- 250/ZM9-160-2000-OBI-CNA	NZMH9- 250/ZM9-160-2000-OBI-CNA
200	1600 - 2400	NZM9- 250/ZM9-200-2400-OBI-CNA	NZMH9- 250/ZM9-200-2400-OBI-CNA
250	1600 - 2400	NZM9- 250/ZM9-250-2400-OBI-CNA	NZMH9- 250/ZM9-250-2400-OBI-CNA

Klockner Moeller Legacy NZM10 Circuit Breakers

Thermal-Magnetic Fixed

Long time response current setting A	Setting Ranges Adjustable instant- aneous pick-up setting A	Normal Interrupting Capacity 42 kA @ 480VAC 35 kA @ 600VAC	Medium Interrupting Capacity 65 kA @ 480VAC 42 kA @ 600VAC	High Interrupting Capacity 100 kA @ 480VAC 50 kA @ 600VAC
		Part Number	Part Number	Part Number
150	300 - 1800	NZM10- 400N/ZMA-150-NA	NZM10- 400S/ZMA-150-NA	NZM10- 400H/ZMA-150-NA
175	350 - 2100	NZM10- 400N/ZMA-175-NA	NZM10- 400S/ZMA-175-NA	NZM10- 400H/ZMA-175-NA
200	400 - 2400	NZM10- 400N/ZMA-200-NA	NZM10- 400S/ZMA-200-NA	NZM10- 400H/ZMA-200-NA
225	450 - 2700	NZM10- 400N/ZMA-225-NA	NZM10- 400S/ZMA-225-NA	NZM10- 400H/ZMA-225-NA
250	500 - 3000	NZM10- 400N/ZMA-250-NA	NZM10- 400S/ZMA-250-NA	NZM10- 400H/ZMA-250-NA
300	600 - 3600	NZM10- 400N/ZMA-300-NA	NZM10- 400S/ZMA-300-NA	NZM10- 400H/ZMA-300-NA
350	700 - 4200	NZM10- 400N/ZMA-350-NA	NZM10- 400S/ZMA-350-NA	NZM10- 400H/ZMA-350-NA
400	800 - 4800	NZM10- 400N/ZMA-400-NA	NZM10- 400S/ZMA-400-NA	NZM10- 400H/ZMA-400-NA
500	1000 - 6000	NZM10- 600N/ZMA-500-NA	NZM10- 600S/ZMA-500-NA	NZM10- 600H/ZMA-500-NA
600	1200 - 7200	NZM10- 600N/ZMA-600-NA	NZM10- 600S/ZMA-600-NA	NZM10- 600H/ZMA-600-NA

Thermal-Magnetic Adjustable

Long time response current setting A	Setting Ranges Adjustable instantaneous pick-up setting A	Normal Interrupting Capacity 42 kA @ 480VAC 35 kA @ 600VAC	Medium Interrupting Capacity 65 kA @ 480VAC 42 kA @ 600VAC	High Interrupting Capacity 100 kA @ 480VAC 50 kA @ 600VAC
		Part Number	Part Number	Part Number
125 - 250	250 - 3000	NZM10- 400N/ZM-250-NA	NZM10- 400S/ZM-250-NA	NZM10- 400H/ZM-250-NA
200 - 400	400 - 4800	NZM10- 400N/ZM-400-NA	NZM10- 400S/ZM-400-NA	NZM10- 400H/ZM-400-NA
300 - 600	600 - 7200	NZM10- 600N/ZM-600-NA	NZM10- 600S/ZM-600-NA	NZM10- 600H/ZM-600-NA

Motor Disconnect Switch

Ampere Rating	Part Number
400	NZM10- 400N/B-NA
600	NZM10- 600N/B-NA

Klockner Moeller Legacy NZM12 Circuit Breakers

Thermal-Magnetic Fixed

Fixed Thermal Setting A	Adjustable Magnetic Trip Range A	UL/CSA Interrupting Rating (Ka) 65kA @ 240V 65kA @ 480V 50kA @ 600V
		Part Number
400	1200 - 12000	NZM12-630/ZM12A-400-NA
500		NZM12-630/ZM12A-500-NA
600		NZM12-630/ZM12A-600-NA
700	1600 - 16000	NZM12-800/ZM12A-700-NA
800		NZM12-800/ZM12A-800-NA
1000	2000 - 20000	NZM12-1250/ZM12A-1000-NA

Thermal-Magnetic Adjustable

Adjustable Thermal Setting A	Adjustable Magnetic Trip Range A	UL/CSA Interrupting Rating (Ka) 65kA @ 240V 65kA @ 480V 50kA @ 600V
		Part Number
300 - 600	1200 - 12000	NZM12-630/ZM12-600-NA
400 - 800	1600 - 16000	NZM12-800/ZM12-800-NA
500 - 1000	2000 - 20000	NZM12-1250/ZM12-1000-NA

Motor Disconnect Switch

Maximum HP Rating 3 phase at				Continuous Current Rating A	Part Number
200V HP	230V HP	460V HP	575V HP
200	250	450	600	600	N12-630-CNA
250	300	600	750	800	N12-800-CNA
250	300	600	750	1000	N12-1000-CNA
300	450	1000	1000	1200	N12-1200-CNA

Klockner Moeller Legacy Disconnect Switches

NZM7 Disconnect

With Pressure Wire Terminals for Cable Connection
Ampere Rating A	Part Number
60	NZM7-60-NA
100	NZM7-100-NA
125	NZM7-125-NA
150	NZM7-150-NA
200	NZM7-200-NA
With Provisions for bolt-on Connections
60	NZM7-60-NA-M8
100	NZM7-100-NA-M8
125	NZM7-125-NA-M8
150	NZM7-150-NA-M8
200	NZM7-200-NA-M8

NZM10 Disconnect

Ampere Rating A	Part Number
400	NZM10-400 N/B-NA
630	NZM10-600 N/B-NA

N6 Disconnect

Continuous Current Rating	Maximum HP Rating 3 Phase at				Part Number
	200V HP	230V HP	460V HP	575V HP
63	20	25	50	60	N6-63-CNA
100	30	40	75	100	N6-100-CNA
150	40	60	100	125	N6-160-CNA

N9 Disconnect

Continuous Current Rating	Maximum HP Rating 3 Phase at				Part Number
	200V HP	230V HP	460V HP	575V HP
250	60	75	150	200	N9-250-CNA

N12 Disconnect

Continuous Current Rating	Maximum HP Rating 3 Phase at				Part Number
	200V HP	230V HP	460V HP	575V HP
600	200	250	450	600	N12-630-CNA
800	250	300	600	750	N12-800-CNA
1000	250	300	600	750	N12-1000-CNA
1200	300	450	1000	1000	N12-1200-CNA
Molded Case Switch (UL-489)
1100	—	—	—	—	N12-1000-NA