EATON - MOELLER LZMB2-4-A300/200-I LZMB2-4-A300/200-I 111933 EATON ELECTRIC Circuit-breaker, 4 p, 300A, 200A, in 4th pole

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LZMB2-4-A300/200-I 111933 EATON ELECTRIC Circuit-breaker, 4 p, 300A, 200A, in 4th pole

Name: LZMB2-4-A300/200-I 111933 EATON ELECTRIC Circuit-breaker, 4 p, 300A, 200A, in 4th pole
Brand: EATON - MOELLER
SKU: 111933

Reference: LZMB2-4-A300/200-I

Code: 111933

Manufacturer: EATON - MOELLER

Units per package: 1 Pcs.

Description:

Circuit-breaker, 4 p, 300A, 200A, in 4th pole

Categories:
Automation > Power circuit-breaker for trafo/generator/installation protection
Circuit Breakers LZM

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Product Overview

Protect multi-conductor industrial electrical systems with the Eaton Moeller LZMB2-4-A300/200-I 111933 EATON ELECTRIC Circuit-breaker, 4 p, 300A, 200A, in 4th pole. Moulded case circuit breakers provide dependable protection against overloads and short circuits in complex panel layouts.

Pricing, availability, and lead time are confirmed per enquiry through an RFQ.

400/415 V 50 Hz: I cu
Rated current = rated uninterrupted current: I n = I u
Neutral conductor: % of phase conductor
Flat copper strip, with holes: min.
Flat copper strip, with holes: max.
Flat copper strip, with holes: min.
Flat copper strip, with holes: max.
Copper busbar (width x thickness): mm
Rated operational current for specified heat dissipation: I n
Equipment heat dissipation, current-dependent: P vid
IL01206012Z circuit-breaker LZMB2, switch-disconnector LN2: >>
Rated permanent current Iu (EF001389): 300 A
Rated voltage (EF003977): 440 V
Overload release current setting (EF002336): 240 A
Adjustment range undelayed short-circuit release (EF007131): 2000 A
Device construction (EF008240): Built-in device fixed built-in technique

More info

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Delivery programme

Product range

Circuit-breaker

Protective function

System and cable protection

Standard/Approval

IEC

Installation type

Fixed

Release system

Thermomagnetic release

Construction size

LZM2

Description

Set value in neutral conductor is synchronous with set value Ir of main pole.

Number of poles

4 pole

Standard equipment

Screw connection

Switching capacity

400/415 V 50 Hz

I_cu

Rated current = rated uninterrupted current

I_n= I_u

300

Neutral conductor

% of phase conductor

CSA

Neutral conductor protection

Reduced neutral conductor protection

Setting range

Overload trip

General

Standards

IEC/EN 60947, VDE 0660

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

Mechanical shock resistance (10 ms half-sinusoidal shock) according to IEC 60068-2-27

20 (half-sinusoidal shock 20 ms)

Safe isolation to EN 61140

Between auxiliary contacts and main contacts

V AC

500

between the auxiliary contacts

V AC

300

Weight

3.5

Mounting position

Vertical and 90° in all directions

	Basic equipment
		Box terminal		●		-		-		-
		Screw connection		-		●		●		●
	accessory consideration
		Box terminals		-		●		●		-
		Screw connection		●		-		-		●
		Tunnel terminal		●		●		●		●
		connection on rear		●		●		●		●
	Strip terminal		-		-		-		●

Round copper conductor

Box terminal

Solid

mm²

1 x (4 - 16)
2 x (4 - 16)

Stranded

mm²

1 x (25 - 185)
2 x (25 - 70)

Tunnel terminal

Solid

mm²

1 x 16

Stranded

mm²

Stranded

mm²

1 x (25 - 185)

Bolt terminal and rear-side connection

Direct on the switch

Solid

mm²

1 x (4 - 16)
2 x (4 - 16)

Stranded

mm²

1 x (25 - 185)
2 x (25 - 70)

Al conductors, Cu cable

Solid

mm²

1 x 16

Stranded

mm²

Stranded

mm²

1 x (25 - 185)

Bolt terminal and rear-side connection

Flat copper strip, with holes

min.

2 x 16 x 0.8

Flat copper strip, with holes

max.

10 x 16 x 0.8

Cu strip (number of segments x width x segment thickness)

Box terminal

min.

2 x 9 x 0.8

max.

10 x 16 x 0.8

Bolt terminal and rear-side connection

Flat copper strip, with holes

min.

2 x 16 x 0.8

Flat copper strip, with holes

max.

10 x 16 x 0.8

Copper busbar (width x thickness)

Bolt terminal and rear-side connection

Screw connection

Direct on the switch

min.

16 x 5

max.

20 x 5

Control cables

mm²

1 x (0.75 - 2.5)
2 x (0.75 - 1.5)

Design verification as per IEC/EN 61439(Show features)(Hide features)

Technical data for design verification
Rated operational current for specified heat dissipation	I_n	A	300
Equipment heat dissipation, current-dependent	P_vid	W	83.7
IEC/EN 61439 design verification
10.2 Strength of materials and parts
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 Verification of resistance of insulating materials to abnormal heat and fire due to internal electric 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 Insulation properties
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.

Technical data ETIM 6.0

Low-voltage industrial components (EG000017) / Power circuit-breaker for trafo/generator/installation prot. (EC000228)
Electric engineering, automation, process control engineering / Low-voltage switch technology / Circuit breaker (LV < 1 kV) / Circuit breaker for power transformer, generator and system protection ([email protected] [AJZ716010])
Rated permanent current Iu	A	300
Rated voltage	V	690 - 690
Rated short-circuit breaking capacity lcu at 400 V, 50 Hz	kA	25
Overload release current setting	A	240 - 300
Adjustment range short-term delayed short-circuit release	A	0 - 0
Adjustment range undelayed short-circuit release	A	2000 - 2500
Integrated earth fault protection		No
Type of electrical connection of main circuit		Screw connection
Device construction		Built-in device fixed built-in technique
Suitable for DIN rail (top hat rail) mounting		No
DIN rail (top hat rail) mounting optional		Yes
Number of auxiliary contacts as normally closed contact		0
Number of auxiliary contacts as normally open contact		0
Number of auxiliary contacts as change-over contact		0
Switched-off indicator available		No
With under voltage release		No
Number of poles		4
Position of connection for main current circuit		Front side
Type of control element		Rocker lever
Complete device with protection unit		Yes
Motor drive integrated		No
Motor drive optional		Yes
Degree of protection (IP)		IP20

Characteristics

IL01206012Z circuit-breaker LZMB2, switch-disconnector LN2

Product Datasheet

Electrica Online Product Datasheet Prepared from the current product description, catalog data and structured technical attributes.

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