When ordering the NZMH9, you will need:
- The full # off of the label (color may vary) example: NZM9-250
- The full # off the black label on the overload module example: Zm9-200-obi
- Any adjustment knobs settings if applicable.
Klockner Moeller
NZMH9
Circuit Breaker
and Motor Disconnect Switch Index
NZMH9-250/ZM9A
Inverse Time Circuit Breaker, 250 Amps, Thermal Magnetic
High Interrupting Rating
| Fixed Thermal Setting |
Adjustable Magnetic Trip, supplied standard with the breaker |
Adjustable magnetic trip, available as a substitute to standard ratings. |
UL/CSA Interrupting Ratings (AC, 60 Hz) |
||
| 240 V | 480 V | ||||
| NZMH9-250/ZM9A-70 NZMH9-250/ZM9A-70-CNA NZMH9-250/ZM9A-70-NA |
70 | 600 - 1200 | 400 - 800 | 200Ka | 85Ka |
| NZMH9-250/ZM9A-80 NZMH9-250/ZM9A-80-CNA NZMH9-250/ZM9A-80-NA |
80 | 600 - 1200 | 400 - 800 | 200Ka | 85Ka |
| NZMH9-250/ZM9A-90 NZMH9-250/ZM9A-90-CNA NZMH9-250/ZM9A-90-NA |
90 | 600 - 1200 | 400 - 800 | 200Ka | 85Ka |
| NZMH9-250/ZM9A-100 NZMH9-250/ZM9A-100-CNA NZMH9-250/ZM9A-100-NA |
100 | 1000 - 2000 | 600 -
1200 400 - 800 |
200Ka | 85Ka |
| NZMH9-250/ZM9A-125 NZMH9-250/ZM9A-125-CNA NZMH9-250/ZM9A-125-NA |
125 | 1000 - 2000 | 600 -
1200 400 - 800 |
200Ka | 85Ka |
| NZMH9-250/ZM9A-150 NZMH9-250/ZM9A-150-CNA NZMH9-250/ZM9A-150-NA |
150 | 1000 - 2000 | 600 - 1200 | 200Ka | 85Ka |
| NZMH9-250/ZM9A-175 NZMH9-250/ZM9A-175-CNA NZMH9-250/ZM9A-175-NA |
175 | 1600 - 2400 | 600 -
1200 1000 - 2000 |
200Ka | 85Ka |
| NZMH9-250/ZM9A-200 NZMH9-250/ZM9A-200-CNA NZMH9-250/ZM9A-200-NA |
200 | 1600 - 2400 | 600 -
1200 1000 - 2000 |
200Ka | 85Ka |
| NZMH9-250/ZM9A-225 NZMH9-250/ZM9A-225-CNA NZMH9-250/ZM9A-225-NA |
225 | 1600 - 2400 | 600 -
1200 1000 - 2000 |
200Ka | 85Ka |
| NZMH9-250/ZM9A-250 NZMH9-250/ZM9A-250-CNA NZMH9-250/ZM9A-250-NA |
250 | 1600 - 2400 | 600 -
1200 1000 - 2000 |
200Ka | 85Ka |
NZMH9-250/ZM9-..-...-OBI
Instantaneous Trip Circuit Breakers up to 600 VAC, UL/CSA
High Fault Interrupting Ratings
| Continuous Current Rated | Adjustable Magnetic Trip Range | |
NZM9-250/ZM9-63 |
||
NZMH9-250/ZM9-63-800 |
63 | 400 - 800 |
NZM9-250/ZM9-100 |
||
NZM9-250/ZM9-100-1200 |
100 | 600 - 1200 |
NZM9-250/ZM9-160 |
||
NZMH9-250/ZM9-160-1200 |
160 | 1000 - 2000 |
NZM9-250/ZM9-200 |
||
NZM9-250/ZM9-200-2400 |
200 | 1600 - 2400 |
NZM9-250/ZM9-250 |
||
NZMH9-250/ZM9A-250-1200 |
250 | 1600 - 2400 |
NZMH9-250/ZM9-..-...-OBI
Instantaneous Trip Circuit Breakers up to 600 VAC, UL/CSA
High Fault Interrupting Ratings
| Adjustable Thermal Range for Motor Overload Protection | Adjustable Magnetic Trip Range | Maximum HP Rating 3 Phase @ | ||
| 230 V | 460 V | |||
| NZMH9-250/ZM9-100 NZMH9-250/ZM9-100-CNA NZMH9-250/ZM9-100-NA |
63 - 10 | 600 - 1200 | 30 | 75 |
| NZM9-250/ZM9-160 | ||||
| NZMH9-250/ZM9-160 NZMH9-250/ZM9-160-CNA NZMH9-250/ZM9-160-NA |
100 - 160 | 1000 - 2000 | 60 | 125 |
| NZMH9-250/ZM9-200 NZMH9-250/ZM9-200-CNA NZMH9-250/ZM9-200-NA |
160 - 200 | 1600 - 2400 | 75 | 150 |
| NZMH9-250/ZM9-250 NZMH9-250/ZM9-250-CNA NZMH9-250/ZM9-250-NA |
200 - 250 | 1600 - 2400 | 75 | 150 |
| With optional lower magnetic trip values: | ||||
| NZMH9-250/ZM9-100-800 NZMH9-250/ZM9-100-800-CNA NZMH9-250/ZM9-100-800-NA |
63 - 10 | 400 - 800 | 30 | 75 |
| NZMH9-250/ZM9-160-1200 NZMH9-250/ZM9-160-1200-CNA NZMH9-250/ZM9-160-1200-NA |
100 - 160 | 600 - 1200 | 60 | 125 |
| NZMH9-250/ZM9-200-2000 NZMH9-250/ZM9-200-2000-CNA NZMH9-250/ZM9-200-2000-NA |
160 - 200 | 1000 - 2000 | 75 | 150 |
| NZMH9-250/ZM9-250-2000 NZMH9-250/ZM9-250-2000-CNA NZMH9-250/ZM9-250-2000-NA |
200 - 250 | 1000 - 2000 | 75 | 150 |