Circuit-breaker, 3p, 80ASeries NZM..-S..CNA circuit-breakers cover all application cases with just four compact sizes and are suitable for use in the worldwide market. Modular function groups always make mounting flexible. With magnetic short-circuit release in connection with overload relay. With short-circuit release lacking overload trip. Notes: Switches conform to UL/CSA as well as IEC regulations. The rating plate contains IEC switching performance values.
Circuit-breaker, 3p, 80A
Series NZM..-S..CNA circuit-breakers cover all application cases with just four compact sizes and are suitable for use in the worldwide market. Modular function groups always make mounting flexible. With magnetic short-circuit release in connection with overload relay. With short-circuit release lacking overload trip. Notes: Switches conform to UL/CSA as well as IEC regulations. The rating plate contains IEC switching performance values.
Product range | Circuit-breaker |
Protective function | Short-circuit protection |
Standard/Approval | UL/CSA, IEC |
Installation type | Fixed |
Release system | Thermomagnetic release |
Description | Switches conform to UL/CSA as well as the IEC regulations. IEC switching performance values are contained on the rating plate. Motor protection in conjunction with contactor and overload relay With short-circuit release Without overload release Ir |
Number of poles | 3 pole |
Standard equipment | Screw connection |
Rated current = rated uninterrupted current [In = Iu] | 80 A |
Short-circuit releases [Irm
] >Non-delayed [Ii = In x …] |
8 - 14 |
Standards | IEC/EN 60947 |
Protection against direct contact | Finger and back of hand proof to VDE 0106 Part 100 |
Climatic proofing | Damp heat, constant, to IEC 60068-2-78 Damp heat, cyclic, to IEC 60068-2-30 |
Ambient temperature >Ambient temperature, storage |
- 40 - + 70 °C |
Ambient temperature >Operation |
-25 - +70 °C |
Mechanical shock resistance (10 ms half-sinusoidal shock) according to IEC 60068-2-27 | 20 (half-sinusoidal shock 20 ms) g |
Safe isolation to EN 61140 >Between auxiliary contacts and main contacts |
500 V AC |
Safe isolation to EN 61140 >between the auxiliary contacts |
300 V AC |
Weight | 2.345 kg |
Mounting position >Mounting position |
|
Direction of incoming supply | as required |
Degree of protection >Device |
In the operating controls area: IP20 (basic degree of protection) |
Degree of protection >Enclosures |
With insulating surround: IP40 With door coupling rotary handle: IP66 |
Degree of protection >Terminations |
Tunnel terminal: IP10 Phase isolator and strip terminal: IP00 |
Other technical data (sheet catalogue) | Weight Temperature dependency, Derating Effective power loss |
Rated surge voltage invariability [Uimp
] >Main contacts |
8000 V |
Rated surge voltage invariability [Uimp
] >Auxiliary contacts |
6000 V |
Rated operational voltage [Ue] | 690 V AC |
Overvoltage category/pollution degree | III/3 |
Rated insulation voltage [Ui ] | 1000 V |
Use in unearthed supply systems | ≦ 690 V |
Rated short-circuit making capacity [Icm
] >240 V [Icm ] |
187 kA |
Rated short-circuit making capacity [Icm
] >400/415 V [Icm ] |
105 kA |
Rated short-circuit making capacity [Icm
] >440 V 50/60 Hz [Icm ] |
74 kA |
Rated short-circuit making capacity [Icm
] >525 V 50/60 Hz [Icm ] |
53 kA |
Rated short-circuit making capacity [Icm
] >690 V 50/60 H [Ic] |
40 kA |
Rated short-circuit breaking capacity Icn [Icn
] >Icu to IEC/EN 60947 test cycle O-t-CO [Icu] >240 V 50/60 Hz [Icu ] |
85 kA |
Rated short-circuit breaking capacity Icn [Icn
] >Icu to IEC/EN 60947 test cycle O-t-CO [Icu] >400/415 V 50/60 Hz [Icu ] |
50 kA |
Rated short-circuit breaking capacity Icn [Icn
] >Icu to IEC/EN 60947 test cycle O-t-CO [Icu] >440 V 50/60 Hz [Icu ] |
35 kA |
Rated short-circuit breaking capacity Icn [Icn
] >Icu to IEC/EN 60947 test cycle O-t-CO [Icu] >525 V 50/60 Hz [Icu ] |
25 kA |
Rated short-circuit breaking capacity Icn [Icn
] >Icu to IEC/EN 60947 test cycle O-t-CO [Icu] >690 V 50/60 Hz [Icu ] |
20 kA |
Rated short-circuit breaking capacity Icn [Icn
] >Ics to IEC/EN 60947 test cycle O-t-CO-t-CO [Ics] >240 V 50/60 Hz [Ics ] |
85 kA |
Rated short-circuit breaking capacity Icn [Icn
] >Ics to IEC/EN 60947 test cycle O-t-CO-t-CO [Ics] >400/415 V 50/60 Hz [Ics ] |
50 kA |
Rated short-circuit breaking capacity Icn [Icn
] >Ics to IEC/EN 60947 test cycle O-t-CO-t-CO [Ics] >440 V 50/60 Hz [Ics ] |
35 kA |
Rated short-circuit breaking capacity Icn [Icn
] >Ics to IEC/EN 60947 test cycle O-t-CO-t-CO [Ics] >525 V 50/60 Hz [Ics ] |
25 kA |
Rated short-circuit breaking capacity Icn [Icn
] >Ics to IEC/EN 60947 test cycle O-t-CO-t-CO [Ics] >690 V 50/60 Hz [Ics] |
5 kA |
Rated short-circuit breaking capacity Icn [Icn
] >Maximum low-voltage h.b.c. fuse |
355 A gG/gL |
Rated short-circuit breaking capacity Icn [Icn ] | Maximum back-up fuse, if the expected short-circuit currents at the installation location exceed the switching capacity of the circuit-breaker. |
Rated short-time withstand current >t = 0.3 s [Icw ] |
1.9 kA |
Rated short-time withstand current >t = 1 s [Icw ] |
1.9 kA |
Utilization category to IEC/EN 60947-2 | A |
Lifespan, mechanical(of which max. 50 % trip by shunt/undervoltage release) [Operations] | 20000 |
Lifespan, electrical >AC-1 >400 V 50/60 Hz [Operations] |
10000 |
Lifespan, electrical >AC-1 >690 V 50/60 Hz [Operations] |
7500 |
Lifespan, electrical >AC--3 >400 V 50/60 Hz [Operations] |
6500 |
Lifespan, electrical >AC--3 >415 V 50/60 Hz [Operations] |
6500 |
Lifespan, electrical >AC--3 >690 V 50/60 Hz [Operations] |
5000 |
Lifespan, electrical >Max. operating frequency |
120 Ops/h |
Total break time at short-circuit | < 10 ms |
Standard equipment | Screw connection |
Round copper conductor >Box terminal >Solid |
1 x (12 … 6) mm2 |
Round copper conductor >Box terminal >Stranded |
1 x (4 … 350) mm2 |
Round copper conductor >Tunnel terminal >Solid |
1 x 16 mm2 |
Round copper conductor >Tunnel terminal >Stranded >Stranded |
1 x (4 … 350) mm2 |
Round copper conductor >Bolt terminal and rear-side connection >Direct on the switch >Solid |
1 x (11 … 6) mm2 |
Round copper conductor >Bolt terminal and rear-side connection >Direct on the switch >Stranded |
1 x (4 … 3/0) mm2 |
Al conductors, Cu cable >Tunnel terminal >Solid |
1 x 16 mm2 |
Al conductors, Cu cable >Bolt terminal and rear-side connection >Flat copper strip, with holes [min.] |
2 x 16 x 0.8 mm |
Al conductors, Cu cable >Bolt terminal and rear-side connection >Flat copper strip, with holes [max.] |
10 x 16 x 0.8 mm |
Cu strip (number of segments x width x segment thickness) >Box terminal [min.] |
2 x 9 x 0.8 mm |
Cu strip (number of segments x width x segment thickness) >Box terminal [max.] |
10 x 16 x 0.8 mm |
Cu strip (number of segments x width x segment thickness) >Bolt terminal and rear-side connection >Flat copper strip, with holes [min.] |
2 x 16 x 0.8 mm |
Cu strip (number of segments x width x segment thickness) >Bolt terminal and rear-side connection >Flat copper strip, with holes [max.] |
10 x 16 x 0.8 mm |
Copper busbar (width x thickness) [mm] >Bolt terminal and rear-side connection >Screw connection |
M8 |
Copper busbar (width x thickness) [mm] >Bolt terminal and rear-side connection >Direct on the switch [min.] |
16 x 5 mm |
Copper busbar (width x thickness) [mm] >Bolt terminal and rear-side connection >Direct on the switch [max.] |
20 x 5 mm |
Control cables | 1 x (18 … 14) 2 x (18 … 16) mm2 |
Rated operational current for specified heat dissipation [In] | 80 A |
Equipment heat dissipation, current-dependent [Pvid] | 6.09 W |
Operating ambient temperature min. | -25 °C |
Operating ambient temperature max. | +70 °C |
10.2 Strength of materials and parts >10.2.2 Corrosion resistance |
Meets the product standard´s requirements. |
10.2 Strength of materials and parts >10.2.3.1 Verification of thermal stability of enclosures |
Meets the product standard´s requirements. |
10.2 Strength of materials and parts >10.2.3.2 Verification of resistance of insulating materials to normal heat |
Meets the product standard´s requirements. |
10.2 Strength of materials and parts >10.2.3.3 Verification of resistance of insulating materials to abnormal heat and fire due to internal electric effects |
Meets the product standard´s requirements. |
10.2 Strength of materials and parts >10.2.4 Resistance to ultra-violet (UV) radiation |
Meets the product standard´s requirements. |
10.2 Strength of materials and parts >10.2.5 Lifting |
Does not apply, since the entire switchgear needs to be evaluated. |
10.2 Strength of materials and parts >10.2.6 Mechanical impact |
Does not apply, since the entire switchgear needs to be evaluated. |
10.2 Strength of materials and parts >10.2.7 Inscriptions |
Meets the product standard´s requirements. |
10.3 Degree of protection of ASSEMBLIES | Does not apply, since the entire switchgear needs to be evaluated. |
10.4 Clearances and creepage distances | Meets the product standard´s requirements. |
10.5 Protection against electric shock | Does not apply, since the entire switchgear needs to be evaluated. |
10.6 Incorporation of switching devices and components | Does not apply, since the entire switchgear needs to be evaluated. |
10.7 Internal electrical circuits and connections | Is the panel builder´s responsibility. |
10.8 Connections for external conductors | Is the panel builder´s responsibility. |
10.9 Insulation properties >10.9.2 Power-frequency electric strength |
Is the panel builder´s responsibility. |
10.9 Insulation properties >10.9.3 Impulse withstand voltage |
Is the panel builder´s responsibility. |
10.9 Insulation properties >10.9.4 Testing of enclosures made of insulating material |
Is the panel builder´s responsibility. |
10.10 Temperature rise | The panel builder is responsible for the temperature rise calculation. Eaton will provide heat dissipation data for the devices. |
10.11 Short-circuit rating | Is the panel builder´s responsibility. The specifications for the switchgear must be observed. |
10.12 Electromagnetic compatibility | Is the panel builder´s responsibility. The specifications for the switchgear must be observed. |
10.13 Mechanical function | The device meets the requirements, provided the information in the instruction leaflet (IL) is observed. |
Overload release current setting | 0 - 0 A |
Adjustment range undelayed short-circuit release | 8 - 14 A |
With thermal protection | No |
Phase failure sensitive | No |
Switch off technique | Magnetic |
Rated operating voltage | 690 - 690 V |
Rated permanent current Iu | 80 A |
Rated operation power at AC-3, 230 V | 22 kW |
Rated operation power at AC-3, 400 V | 45 kW |
Type of electrical connection of main circuit | Screw connection |
Type of control element | Rocker lever |
Device construction | Built-in device fixed built-in technique |
With integrated auxiliary switch | No |
With integrated under voltage release | No |
Number of poles | 3 |
Rated short-circuit breaking capacity lcu at 400 V, AC | 50 kA |
Degree of protection (IP) | IP20 |
Height | 195 mm |
Width | 105 mm |
Depth | 149 mm |
Product Standards | UL 489; CSA-C22.2 No. 5-09; IEC 60947-2; CE marking |
UL File No. | E31593 |
UL Category Control No. | DKPU2 |
CSA File No. | 022086 |
CSA Class No. | 1432-01 |
North America Certification | UL recognized, CSA certified |
Conditions of Acceptability | Only used in motor circuits in conjunction with suitable contactor and overload relay. SCCR value applies for complete combination starter only, consisting of instantaneous trip circuit breaker, contactor and overload relay. |
Specially designed for North America | Yes |
Suitable for | Branch circuits, feeder circuits |
Current Limiting Circuit-Breaker | No |
Max. Voltage Rating | 600Y/347 V, 480 V |
Degree of Protection | IEC: IP20; UL/CSA Type: - |
Characteristic curve | |
Characteristic curve | Short-circuit protection only! |
Characteristic curve |
As Mnelko, we are a reliable partner in industrial automation solutions, offering high-quality and innovative products with a wide product range to meet all the needs of your business. Our product portfolio consists of solutions designed based on the principles of high performance, durability, and efficiency to support modern industrial processes.
All of our products ensure maximum reliability even in challenging working conditions and help your business operations run smoothly. The products we offer in industrial automation, energy management, cabling solutions, and many other areas adapt flexibly to the needs of different sectors.
Additionally, our products are manufactured using only high-quality materials and comply with international standards. Through the solutions we provide, we enable our customers to increase operational efficiency and optimize costs. Our company closely follows technological advancements and continuously offers innovative products to help our customers gain a competitive advantage.
On each of our product pages, you can find comprehensive information about technical details, areas of use, and product features. You can explore all the products you need to strengthen your industrial processes on our website and enjoy a seamless purchasing experience.