6KA MCB AC 415V 63A Thermal-Magnetic Protection

Name: 6KA MCB 63A AC 415V Type B C D Curve - ETEK Electri
SKU: ETM1-63X

Delivering robust AC 415V short-circuit isolation, this advanced 6ka mcb guarantees exact thermal-magnetic protection across commercial and industrial distribution nodes. The ETM1-63X series functions seamlessly as a heavy-duty 6ka miniature circuit breaker, handling rated currents up to 63A to aggressively prevent catastrophic electrical faults.

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ModelETM1-63X

CategoryAC Mini Circuit Breaker, Circuit Breakers

AvailabilityIn stock

CE & TUV certified
Worldwide shipping
OEM & ODM support

Product Features of the 6KA MCB

Constructed from environmentally compliant, halogen-free thermoplastics, this 6ka mcb ensures structural resilience while allowing full modular accessory expansion.

Robust Short-Circuit Defense: Delivers a confirmed rated short-circuit capacity (Icn) of 6kA, effortlessly clearing high-inrush fault currents in demanding panels.
Touch-Safe Terminals: Features IP20 finger-protected incoming and outgoing connections to prevent hazardous operator contact during maintenance.
Versatile Wiring Architecture: Designed with bi-directional incoming methods, accepting both flexible/rigid cables (up to 25mm²) and standard pin-type busbars.
Immediate Status Verification: Integrates a prominent red/green mechanical contact position indicating device for instant operational recognition.
Eco-Friendly Integrity: Utilizes state-of-the-art recyclable housing materials, fully conforming to strict international RoHS standards.

ETM1-63X Structural Design & Product Tips

The ergonomic shell incorporates specific structural features to simplify B2B installation and lifecycle management.

product tips ETM1-63X

Reversible Connection: Supports bidirectional line and load terminal routing for highly flexible panel configurations.
EAN-13 Barcodes: Pad-printed directly on the side shell for rapid B2B inventory scanning and precise warehousing tracking.
Handle Lock Position: Specifically molded slot designed to secure the toggle with a mechanical padlock during vital line maintenance.
Amperage Visibility: High-contrast front printing explicitly displaying the rated current up to 63A.
Indication Window: Instant visual confirmation of the contact open/close position (green OFF / red ON).
Breaking Capacity: Distinct 6kA metric marking on the faceplate for exact engineering verification.

Commercial Applications for the 6KA MCB

Deploying the ETM1-63X secures final distribution nodes, establishing a highly dependable iec 60898 mcb framework for any standard or complex setup.

Applications & Use Cases

Residential Power Systems: Functions as the core protective mcb 1p 32a 6ka in consumer units, safeguarding domestic appliances from overload damage.
Commercial Lighting Networks: Isolates extensive commercial lighting circuits efficiently, utilizing the mcb 1p 16a 6ka for standard office floors or retail complexes.
Industrial Equipment Protection: Secures AC power supply lines feeding robust industrial machinery, where a heavy-duty mcb 3p 32a 6ka is required to handle high starting currents.

Technical Specifications with the 6KA MCB

Evaluate the comprehensive thermal-magnetic tolerances below to seamlessly integrate this 6ka mcb into your AC electrical distribution panels.

General, Electrical & Mechanical Data

General & Technical Data (IEC/EN 60898-1)
Electrical Parameters
Protection	Overcurrent and short circuit	Type of trip	Thermal-magnetic
No. of poles	1P, 2P, 3P, 4P	Rated frequency	50/60Hz
Rated operational voltage (Ue)	1P: 110/230V, 120/240V, 230/400V, 240/415V AC 2P, 3P, 4P: 230/400V, 240/415V, 400/415V AC
Rated current (In)	1, 2, 3, 4, 5, 6, 8, 10, 13, 16, 20, 25, 32, 40, 50, 63A
Rated insulation voltage (Ui)	500V	Rated impulse withstand (Uimp)	6kV (1.2/50μs)
Rated short-circuit capacity (Icn)	6kA	Rated service breaking capacity (Ics)	6kA
Mechanical & Installation Data
Electrical / Mechanical life	4,000 Cycles / 20,000 Cycles	Protection degree	IP20
Terminal connection type	Cable / Pin-type busbar	Max. terminal size	16mm² flexible / 25mm² rigid
Operating ambient temp.	-25°C ~ +55°C	Fire resistance (glow-wire)	960±15°C (Enclosure)
Auxiliary Expansion Support	Auxiliary Contact, Alarm Contact, Shunt Release, Voltage Loss Release, Under/Over-voltage Release, Mechanical Interlock (All Supported)

Tripping Characteristics

The instantaneous tripping parameters vary perfectly to accommodate low inrush circuits using an mcb 1p 6a 6ka up to high starting current motors.

Tripping Characteristic Curves 6ka mcb

Curve Type	Rated Current	Thermal Release (30°C ± 5°C)			Magnetic Release (Normal Temp)
Curve Type	Rated Current	Non-trip (1.13In)	Trip (1.45In)	Trip Time	Hold Current	Trip Current	Trip Time
B (Universal use)	1-63A	≤ 1h	–	< 1h	3In	5In	≥0.1s / <0.1s
C (Resistive/Inductive)	1-63A	≤ 1h	–	< 1h	5In	10In	≥0.1s / <0.1s
D (High inrush)	1-63A	≤ 1h	–	< 1h	10In	20In	≥0.1s / <0.1s

Temperature Derating Table

Use the correction factors below to adjust the rated current based on ambient panel temperatures.

Rated Current (A)	Correction Factor for Ambient Temperature
Rated Current (A)	-40°C	-30°C	-20°C	-10°C	0°C	10°C	20°C	30°C	40°C	50°C	60°C	70°C
1	1.33	1.29	1.25	1.2	1.15	1.11	1.05	1	0.94	0.88	0.82	0.75
2	2.67	2.58	2.49	2.4	2.31	2.21	2.11	2	1.89	1.76	1.63	1.49
3	4.0	3.9	3.7	3.6	3.5	3.3	3.2	3	2.8	2.6	2.4	2.2
4	5.3	5.2	5.0	4.8	4.6	4.4	4.2	4	3.8	3.5	3.3	3.0
5	6.7	6.5	6.31	6.1	5.8	5.5	5.25	5	4.7	4.3	4.0	3.7
6	8.0	7.7	7.5	7.2	6.9	6.6	6.3	6	5.7	5.3	4.9	4.5
10	13.3	12.9	12.5	12.0	11.5	11.1	10.5	10	9.4	8.8	8.2	7.5
16	21.3	20.7	20.0	19.2	18.5	17.7	16.9	16	15.1	14.1	13.1	11.9
20	26.7	25.8	24.9	24.0	23.1	22.1	21.1	20	18.9	17.6	16.3	14.9
25	33.3	32.3	31.2	30.0	28.9	27.6	26.4	25	23.6	22.0	20.4	18.6
32	42.7	41.3	39.9	38.5	37.0	35.4	33.7	32	30.2	28.2	26.1	23.9
40	53.3	51.6	49.9	48.1	46.2	44.2	42.2	40	37.7	35.3	32.7	29.8
50	66.7	64.5	62.4	60.1	57.7	55.3	52.7	50	47.1	44.1	40.8	37.3
63	84.0	81.3	78.6	75.7	72.7	69.6	66.4	63	59.4	55.6	51.4	47.0