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111908
Model Kodu: LZMC1-4-A20-I

Eaton Moeller series Power Defense - Molded Case Circuit Breaker. Circuit-breaker LZM, 4 p, 20A, C1-4-A20-I

General specifications

Product Name
Eaton Moeller series Power Defense molded case circuit-breaker
Catalog Number
111908
EAN
4015081114566
Product Length/Depth
88 mm
Product Height
145 mm
Product Width
120 mm
Product Weight
1.324 kg
Compliances
RoHS conform
Certifications
VDE 0660
IEC/EN 60947
IEC
Model Code
LZMC1-4-A20-I

Additional information

Functions
System and cable protection

Delivery program

Amperage Rating
20 A
Application
Use in unearthed supply systems at 690 V
Circuit breaker frame type
LZM1
Features
Protection unit
Number of poles
Four-pole
Release system
Thermomagnetic release
Special features
  • Maximum back-up fuse, if the expected short-circuit currents at the installation location exceed the switching capacity of the circuit breaker (Rated short-circuit breaking capacity Icn)
  • Rated current = rated uninterrupted current: 20 A
  • Set value in neutral conductor is synchronous with set value Ir of main pole.
Type
Circuit breaker

Design verification as per IEC/EN 61439

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.
10.2.2 Corrosion resistance
Meets the product standard's requirements.
10.2.3.1 Verification of thermal stability of enclosures
Meets the product standard's requirements.
10.2.3.2 Verification of resistance of insulating materials to normal heat
Meets the product standard's requirements.
10.2.3.3 Resist. of insul. mat. to abnormal heat/fire by internal elect. effects
Meets the product standard's requirements.
10.2.4 Resistance to ultra-violet (UV) radiation
Meets the product standard's requirements.
10.2.5 Lifting
Does not apply, since the entire switchgear needs to be evaluated.
10.2.6 Mechanical impact
Does not apply, since the entire switchgear needs to be evaluated.
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.
10.9.2 Power-frequency electric strength
Is the panel builder's responsibility.
10.9.3 Impulse withstand voltage
Is the panel builder's responsibility.
10.9.4 Testing of enclosures made of insulating material
Is the panel builder's responsibility.

Design verification as per IEC/EN 61439 - technical data

Equipment heat dissipation, current-dependent
9.82 W
Rated operational current for specified heat dissipation (In)
20 A

Technical Data - Electrical

Amperage Rating
20 A
Current rating of neutral conductor
200% of phase conductor
Direction of incoming supply
As required
Electrical connection type of main circuit
Frame clamp
Handle type
Rocker lever
Instantaneous current setting (Ii) - max
350 A
Instantaneous current setting (Ii) - min
350 A
Isolation
300 V AC (between the auxiliary contacts)
500 V AC (between auxiliary contacts and main contacts)
Lifespan, electrical
10000 operations at 415 V AC-1
10000 operations at 400 V AC-1
7500 operations at 415 V AC-3
7500 operations at 690 V AC-1
Number of operations per hour - max
120
Overload current setting (Ir)
15 A - 20 A
Overload current setting (Ir) - max
20 A
Overload current setting (Ir) - min
15 A
Overvoltage category
III
Pollution degree
3
Rated impulse withstand voltage (Uimp) at auxiliary contacts
6000 V
Rated impulse withstand voltage (Uimp) at main contacts
6000 V
Rated insulation voltage (Ui)
690 V AC
Rated operational current
20 A (660-690 V AC-3, making and breaking capacity)
20 A (415 V AC-3, making and breaking capacity)
160 A (690 V AC-1, making and breaking capacity)
125 A (415 V AC-1, making and breaking capacity)
160 A (380/400 V AC-1, making and breaking capacity)
Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 230 V, 50/60 Hz
55 kA
Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 400/415 V, 50/60 Hz
36 kA
Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 440 V, 50/60 Hz
22.5 kA
Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 525 V, 50/60 Hz
6 kA
Rated short-circuit making capacity Icm at 240 V, 50/60 Hz
121 kA
Rated short-circuit making capacity Icm at 400/415 V, 50/60 Hz
76 kA
Rated short-circuit making capacity Icm at 440 V, 50/60 Hz
63 kA
Rated short-circuit making capacity Icm at 525 V, 50/60 Hz
24 kA
Rated short-circuit making capacity Icm at 690 V, 50/60 Hz
14 kA
Short delay current setting (Isd) - max
0 A
Short delay current setting (Isd) - min
0 A
Short-circuit release non-delayed setting - max
350 A
Short-circuit release non-delayed setting - min
350 A
Short-circuit total breaktime
< 10 ms
Utilization category
A (IEC/EN 60947-2)
Voltage rating
690 V - 690 V

Technical Data - Mechanical

Climatic proofing
Damp heat, cyclic, to IEC 60068-2-30
Damp heat, constant, to IEC 60068-2-78
Degree of protection
In the area of the HMI devices: IP20 (basic protection type)
IP20
Degree of protection (IP), front side
IP40 (with insulating surround)
IP66 (with door coupling rotary handle)
Degree of protection (terminations)
IP10 (tunnel terminal)
IP00 (terminations, phase isolator and band terminal)
Lifespan, mechanical
20000 operations
Mounting Method
Built-in device fixed built-in technique
DIN rail (top hat rail) mounting optional
Fixed
Number of auxiliary contacts (change-over contacts)
0
Number of auxiliary contacts (normally closed contacts)
0
Number of auxiliary contacts (normally open contacts)
0
Position of connection for main current circuit
Front side
Protection against direct contact
Finger and back-of-hand proof to DIN EN 50274/VDE 0106 part 110
Shock resistance
20 g (half-sinusoidal shock 20 ms)
Special features
  • Maximum back-up fuse, if the expected short-circuit currents at the installation location exceed the switching capacity of the circuit breaker (Rated short-circuit breaking capacity Icn)
  • Rated current = rated uninterrupted current: 20 A
  • Set value in neutral conductor is synchronous with set value Ir of main pole.

Technical Data - Mechanical - Terminals

Standard terminals
Box terminal
Terminal capacity (copper busbar)
M8 at rear-side screw connection
Terminal capacity (copper solid conductor/cable)
16 mm² - 95 mm² (1x) at tunnel terminal
Terminal capacity (copper stranded conductor/cable)
25 mm² - 70 mm² (1x) at box terminal
25 mm² (2x) at box terminal

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