SKU: Eaton-284440
Circuit-breaker, 3p, 100A
Series NZM..-S circuit-breakers cover all application cases with just four compact sizes and are suitable for the IEC market. Modular function groups always make mounting flexible. With magnetic short-circuit release in connection with overload relay. With short-circuit release without overload trip. Notes: circuit-breakers fulfill all requirements of the switching category AC-3.
Product range | Circuit-breaker |
Protective function | Short-circuit protection |
Standard/Approval | IEC |
Installation type | Fixed |
Release system | Thermomagnetic release |
Construction size | NZM1 |
Description | Motor protection in conjunction with overload relay With short-circuit release Without overload release Ir IEC/EN 60947-4-1, IEC/EN 60947-2 The circuit-breaker fulfills all requirements for AC-3 switching category. |
Number of poles | 3 pole |
Standard equipment | Box terminal |
Rated current = rated uninterrupted current [In = Iu] | 100 A |
400/415 V 50 Hz [Icu ] | 100 kA |
Short-circuit releases [Irm
] >Non-delayed [Ii = In x …] |
8 - 12.5 |
380 V 400 V [P] | 45 kW |
400 V [Ie ] | 81 A |
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 |
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) | Temperature dependency, Derating |
Rated current = rated uninterrupted current [In = Iu] | 100 A |
Rated surge voltage invariability [Uimp
] >Main contacts |
6000 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 ] | 690 V |
Use in unearthed supply systems | ≦ 690 V |
Rated short-circuit making capacity [Icm
] >240 V [Icm ] |
220 kA |
Rated short-circuit making capacity [Icm
] >400/415 V [Icm ] |
220 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 ] |
40 kA |
Rated short-circuit making capacity [Icm
] >690 V 50/60 H [Ic] |
17 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 ] |
100 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 ] |
100 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 ] |
70 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 ] |
20 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 ] |
10 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 ] |
100 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 ] |
10 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] |
7.5 kA |
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. |
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 >415 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] |
7500 |
Lifespan, electrical >AC--3 >415 V 50/60 Hz [Operations] |
7500 |
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 | Box terminal |
Optional accessories | Screw connection Tunnel terminal connection on rear |
Round copper conductor >Box terminal >Solid |
1 x (10 - 16) 2 x (6 - 16) mm2 |
Round copper conductor >Box terminal >Stranded |
1 x (10 - 70) 3) 2 x (6-25) mm2 |
Round copper conductor >Box terminal |
3) Up to 95 mm² can be connected depending on the cable manufacturer. |
Round copper conductor >Tunnel terminal >Solid |
1 x 16 mm2 |
Round copper conductor >Tunnel terminal >Stranded >1-hole |
1 x (25 - 95) mm2 |
Round copper conductor >Bolt terminal and rear-side connection >Direct on the switch >Solid |
1 x (10 - 16) 2 x (6 - 16) mm2 |
Round copper conductor >Bolt terminal and rear-side connection >Direct on the switch >Stranded |
1 x (10 - 70) 3) 2 x 25 mm2 |
Round copper conductor >Bolt terminal and rear-side connection >Direct on the switch |
3) Up to 95 mm² can be connected depending on the cable manufacturer. |
Al circular conductor >Tunnel terminal >Solid |
1 x 16 mm2 |
Al circular conductor >Tunnel terminal >Stranded >Stranded |
1 x (25 - 95) mm2 |
Al circular conductor >Bolt terminal and rear-side connection >Direct on the switch >Solid |
1 x (10 - 16) 2 x (10 - 16) mm2 |
Al circular conductor >Bolt terminal and rear-side connection >Direct on the switch >Stranded |
1 x (25 - 35) 2 x (25 - 35) mm2 |
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.] |
9 x 9 x 0.8 mm |
Copper busbar (width x thickness) [mm] >Bolt terminal and rear-side connection >Screw connection |
M6 |
Copper busbar (width x thickness) [mm] >Bolt terminal and rear-side connection >Direct on the switch [min.] |
12 x 5 mm |
Copper busbar (width x thickness) [mm] >Bolt terminal and rear-side connection >Direct on the switch [max.] |
16 x 5 mm |
Control cables | 1 x (0.75 - 2.5) 2 x (0.75 - 1.5) mm2 |
Rated operational current for specified heat dissipation [In] | 100 A |
Equipment heat dissipation, current-dependent [Pvid] | 21.9 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 - 12.5 A |
With thermal protection | No |
Phase failure sensitive | No |
Switch off technique | Magnetic |
Rated operating voltage | 690 - 690 V |
Rated permanent current Iu | 100 A |
Rated operation power at AC-3, 230 V | 30 kW |
Rated operation power at AC-3, 400 V | 55 kW |
Type of electrical connection of main circuit | Other |
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 | 100 kA |
Degree of protection (IP) | IP20 |
Height | 145 mm |
Width | 90 mm |
Depth | 84.5 mm |