EATON NZMB Thermal Magnetic Circuit Breaker Instruction Manual
- June 9, 2024
- EATON
Table of Contents
IL01203004Z
NZMB Thermal Magnetic Circuit Breaker
Instruction Manual
NZMB(C)(N)(S)(H)1(-4)-A(M)(S)…
NZMB(N)1-A(AF)…-NA
NZMB(N)1-S…-CNA
(P)N1-… NS1-…-NA
NZMB Thermal Magnetic Circuit Breaker
Electric current! Danger to life!
Installation, commissioning and maintenance work must be carried out by
qualified personnel only.
Minimum clearance/direction of blow-out
Terminals
1 x 10 – 70 mm²| 1 x 10 – 16mm²| ≧ 2 x 9 x 0.8 mm
(≧ 2 x 0.35“ x 0.03“)
---|---|---
2 x 6 – 25 mm²| 2 x 6 – 16 mm²|
1 x AWG 4 – AWG 2/0| 1 x AWG 12 – AWG 6|
2 x AWG 10 – AWG 4| 2 x AWG 10 – AWG 6|
UL/CSA = Cu only, Ampacity per 75° C Table.
Wiring terminations circuit breaker type NZM…1…-NA (CNA)
Wiring terminations molded case switch type N(S)1…-NA
Connector type| Wire size| Wire 75° C| Max. A-Rating|
Tightening-Torque
---|---|---|---|---
1)NZM1-XKC| 1 x AWG 2/0 – 12 2xAWG 4 -10| Cu only| 125| 9 Nm (80 lb-in) 6 Nm
(53 lb-in) (AWG 8 – 12)
NZM1-XKA| 1 x AWG 3/0 – 6| Cu only| 125| 15 Nm (133 lb-in)
NZM1-XKS| 1 x AWG 2/0 – 12 2xAWG 4 -10| Cu only| 125| 9 Nm (80 lb-in)
2)Integrated Auxiliary Terminal| 1 x AWG 12 – 18| Cu only| | 1.2 Nm (11 lb-in)
- Connector Type NZM1-XKC supplied standard on all NZM1 circuit breakers and switches.
- Integrated Auxiliary Terminal on Connector Type NZM1-XKA only.
Settings
Note: On certain models with UL/CSA labeling the thermal trip setting is fixed and only the magnetic trip (instantaneous) setting is adjustable.
Accessories
Notes on mounting and wiring Auxiliary Switches for UL/CSA labeled models:
- M22-K(10)(01) have screw terminals. M22-CK(10)(01)(20)(02)(11) have clamp terminals.
- Switch modules are snapped into place at the locations shown in the diagrams that follow.
- Switches will function as either “standard” or “trip/alarm” contacts depending on their mounting location.
- Location “HIN” refers to standard operation. Location “HIA” refers to “trip/alarm” operation.
- Follow the numbering and wiring scheme provided above depending on the contact location and function. (N.O. or N.C.)
- Permissible contact configuration: 1 HIA and/or 2 HIN.
Note:
After mounting of the M22… switch is complete, check off the appropriate box
on the auxiliary switch label provided on the side of the breaker or switch.
-NA -CNA (UL/CSA)
| **** | Ith = Ie |
|---|---|
| Ue (V) | Ie (A) |
| 600 AC | 5 A |
| 250 DC | 1 A |
Pilot Duty Ratings: B 600, Q 300 Above 300 V AC Same polarity
Test
Eaton Electric Ltd., P.O. Box 554, Abbey Park, Southampton Road,
Titchfield, PO14 4QA, United Kingdom
USA:
Eaton.com/eatoncare
+1877-386-2273
Eaton.com/aftersales
07/22 IL01203004Z
Eaton.com/recycling
© 2002 Eaton Industries GmbH
Documents / Resources
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EATON NZMB Thermal Magnetic Circuit
Breaker
[pdf] Instruction Manual
NZMB Thermal Magnetic Circuit Breaker, NZMB, Thermal Magnetic Circuit Breaker,
Magnetic Circuit Breaker, Circuit Breaker, Breaker
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