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LZMB1-A25-I 111849 Y7-111849 EATON ELECTRIC Circuit-breaker, 3 p, 25A
LZMB1-A25-I
111849
Y7-111849
EATON - MOELLER
1 Pcs.
Circuit-breaker, 3 p, 25A
LZMB1-A25-I
Eaton Moeller series Power Defense - Molded Case Circuit Breaker. Circuit-breaker LZM, 3 p, 25A, B1-A25-I
Automation > Power circuit-breaker for trafo/generator/installation protection
Circuit Breakers LZM
Product condition, packaging, certifications and applicable manufacturer warranty terms are confirmed with the quotation.
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A circuit-breaker, identified as the LZMB1-A25-I 111849 Y7-111849 EATON ELECTRIC Circuit-breaker, 3 p, 25A by Eaton Moeller, provides reliable overcurrent protection for electrical circuits within industrial control panels and power distribution assemblies. This device automatically disconnects connected loads when current exceeds safe thresholds, protecting wiring infrastructure from thermal damage and short-circuit faults.
Pricing, availability and lead time are confirmed per enquiry through an RFQ.
- Rated permanent current Iu (EF001389): 25 A
- Rated voltage (EF003977): 440 V
- Overload release current setting (EF002336): 20 A
- Adjustment range undelayed short-circuit release (EF007131): 350 A
- Device construction (EF008240): Built-in device fixed built-in technique
- Integrated earth fault protection (EF007296): No
- Type of electrical connection of main circuit (EF006819): Frame clamp
- Suitable for DIN rail (top hat rail) mounting (EF007250): No
- DIN rail (top hat rail) mounting optional (EF008904): Yes
- With switched-off indicator (EF007006): No
- With integrated under voltage release (EF001390): No
- Number of poles (EF001391): 3
- Position of connection for main current circuit (EF006671): Front
- Type of control element (EF006976): Rocker lever
- Complete device with protection unit (EF008906): Yes
- Motor drive integrated (EF006697): No
More info
▲General specifications
Product Name
Eaton Moeller series Power Defense molded case circuit-breaker
Catalog Number
111849
Model Code
LZMB1-A25-I
EAN
4015081113972
Product Length/Depth
88 mm
Product Height
145 mm
Product Width
90 mm
Product Weight
1.014 kg
Compliances
RoHS conform
Certifications
IEC/EN 60947
IEC
VDE 0660
IEC
VDE 0660
Delivery program
Circuit breaker frame type
LZM1
Application
Use in unearthed supply systems at 440 V
Amperage Rating
25 A
Number of poles
Three-pole
Technical data - electrical
Voltage rating
440 V - 440 V
Rated insulation voltage (Ui)
690 V AC
Rated impulse withstand voltage (Uimp) at auxiliary contacts
6000 V
Rated impulse withstand voltage (Uimp) at main contacts
6000 V
Rated operational current
25 A (660-690 V AC-3, making and breaking capacity)
160 A (380/400 V AC-1, making and breaking capacity)
125 A (415 V AC-1, making and breaking capacity)
25 A (415 V AC-3, making and breaking capacity)
160 A (380/400 V AC-1, making and breaking capacity)
125 A (415 V AC-1, making and breaking capacity)
25 A (415 V AC-3, making and breaking capacity)
Instantaneous current setting (Ii) - min
350 A
Instantaneous current setting (Ii) - max
350 A
Overload current setting (Ir) - min
20 A
Overload current setting (Ir) - max
25 A
Short delay current setting (Isd) - min
0 A
Short delay current setting (Isd) - max
0 A
Short-circuit release non-delayed setting - min
350 A
Short-circuit release non-delayed setting - max
350 A
Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 230 V, 50/60 Hz
30 kA
Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 400/415 V, 50/60 Hz
25 kA
Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 440 V, 50/60 Hz
18.5 kA
Rated short-circuit making capacity Icm at 240 V, 50/60 Hz
63 kA
Rated short-circuit making capacity Icm at 400/415 V, 50/60 Hz
53 kA
Rated short-circuit making capacity Icm at 440 V, 50/60 Hz
53 kA
Short-circuit total breaktime
< 10 ms
Electrical connection type of main circuit
Frame clamp
Isolation
300 V AC (between the auxiliary contacts)
500 V AC (between auxiliary contacts and main contacts)
500 V AC (between auxiliary contacts and main contacts)
Overvoltage category
III
Utilization category
A (IEC/EN 60947-2)
Pollution degree
3
Lifespan, electrical
10000 operations at 415 V AC-1
7500 operations at 400 V AC-1
7500 operations at 415 V AC-3
7500 operations at 400 V AC-1
7500 operations at 415 V AC-3
Technical data - mechanical
Type
Circuit breaker
Release system
Thermomagnetic release
Mounting Method
Fixed
DIN rail (top hat rail) mounting optional
Built-in device fixed built-in technique
DIN rail (top hat rail) mounting optional
Built-in device fixed built-in technique
Degree of protection
In the area of the HMI devices: IP20 (basic protection type)
IP20
IP20
Degree of protection (IP), front side
IP40 (with insulating surround)
IP66 (with door coupling rotary handle)
IP66 (with door coupling rotary handle)
Degree of protection (terminations)
IP00 (terminations, phase isolator and band terminal)
IP10 (tunnel terminal)
IP10 (tunnel terminal)
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)
Number of auxiliary contacts (change-over contacts)
0
Number of auxiliary contacts (normally closed contacts)
0
Number of auxiliary contacts (normally open contacts)
0
Number of operations per hour - max
120
Handle type
Rocker lever
Position of connection for main current circuit
Front side
Direction of incoming supply
As required
Standard terminals
Box terminal
Terminal capacity (control cable)
0.75 mm² - 1.5 mm² (2x)
0.75 mm² - 2.5 mm² (1x)
0.75 mm² - 2.5 mm² (1x)
Terminal capacity (aluminum solid conductor/cable)
16 mm² (1x) at tunnel terminal
Terminal capacity (copper busbar)
Max. 16 mm x 5 mm direct at switch rear-side connection
Min. 12 mm x 5 mm direct at switch rear-side connection
M8 at rear-side screw connection
Min. 12 mm x 5 mm direct at switch rear-side connection
M8 at rear-side screw connection
Terminal capacity (copper solid conductor/cable)
6 mm² - 16 mm² (2x) at box terminal
16 mm² - 95 mm² (1x) at tunnel terminal
10 mm² - 16 mm² (1x) direct at switch rear-side connection
10 mm² - 16 mm² (1x) at box terminal
6 mm² - 16 mm² (2x) direct at switch rear-side connection
16 mm² - 95 mm² (1x) at tunnel terminal
10 mm² - 16 mm² (1x) direct at switch rear-side connection
10 mm² - 16 mm² (1x) at box terminal
6 mm² - 16 mm² (2x) direct at switch rear-side connection
Terminal capacity (copper stranded conductor/cable)
25 mm² - 95 mm² (1x) at tunnel terminal
25 mm² (2x) direct at switch rear-side connection
25 mm² - 70 mm² (1x) direct at switch rear-side connection
25 mm² - 70 mm² (1x) at box terminal
25 mm² (2x) at box terminal
25 mm² (2x) direct at switch rear-side connection
25 mm² - 70 mm² (1x) direct at switch rear-side connection
25 mm² - 70 mm² (1x) at box terminal
25 mm² (2x) at box terminal
Terminal capacity (copper strip)
Min. 2 segments of 9 mm x 0.8 mm at box terminal
Max. 9 segments of 9 mm x 0.8 mm at box terminal
Max. 9 segments of 9 mm x 0.8 mm at box terminal
Climatic proofing
Damp heat, cyclic, to IEC 60068-2-30
Damp heat, constant, to IEC 60068-2-78
Damp heat, constant, to IEC 60068-2-78
Lifespan, mechanical
20000 operations
Design verification as per IEC/EN 61439 - technical data
Rated operational current for specified heat dissipation (In)
25 A
Equipment heat dissipation, current-dependent
8.78 W
Design verification as per IEC/EN 61439
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.
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.
Additional information
Features
Protection unit
Functions
System and cable protection
Special features