15KA MCB AC 415V 63A High Breaking Capacity

Name: 15KA MCB AC 415V 63A IEC 60947 - ETEK Electri
SKU: ETM1-63UH

Securing critical industrial AC networks against devastating overcurrents, this 15ka mcb delivers exceptionally high ultimate short-circuit isolation. The ETM1-63UH series functions as a heavy-duty industrial mcb 15ka, specifically engineered to manage rated currents up to 63A and aggressively clear severe electrical faults across demanding commercial distribution boards.

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ModelETM1-63UH

CategoryAC Mini Circuit Breaker, Circuit Breakers

AvailabilityIn stock

CE & TUV certified
Worldwide shipping
OEM & ODM support

Product Features of the 15KA MCB

Engineered with premium halogen-free thermoplastics, this 15ka mcb guarantees long-term structural resilience while allowing comprehensive modular accessory integration.

Extreme Short-Circuit Isolation: Achieves an ultimate short circuit breaking capacity (Icu) of 15kA, effortlessly protecting systems against massive high-inrush faults.
Touch-Safe Architecture: Features IP20 finger-protected incoming and outgoing terminals, strictly preventing hazardous operator contact during active panel maintenance.
Maximum Wiring Versatility: Supports flexible/rigid cables (up to 25mm²), standard pin-type busbars, and heavy-duty fork-type busbars for simultaneous dual connections.
Instant Operational Feedback: Integrates a prominent red/green mechanical contact position indicating device for immediate switching status verification.
Eco-Conscious Durability: Built using state-of-the-art recyclable housing materials, fully conforming to strict international RoHS environmental standards.

ETM1-63UH Structural Design & Product Tips

The ergonomic outer shell incorporates specific structural enhancements to streamline complex B2B installations and lifecycle management.

ETM1-63UH Product Tips

Reversible Connection: Supports bidirectional line and load terminal routing for highly adaptable industrial panel configurations.
EAN-13 Barcodes: Pad-printed directly on the side enclosure 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.
PIN / Fork Busbar Ready: Specially designed terminal cavities to accept simultaneous fork busbar and standard cable connections.
Indication Window: Instant visual confirmation of the contact open/close position (green OFF / red ON).

Commercial Applications for the 15KA MCB

Deploying the ETM1-63UH secures the most demanding distribution nodes, establishing a highly dependable iec 60947 mcb framework for any robust industrial setup.

Applications & Use Cases

Industrial Equipment Protection: Secures robust AC power supply lines feeding heavy industrial machinery requiring a dependable 15ka industrial circuit breaker.
Commercial Building Networks: Isolates extensive commercial lighting and HVAC circuits efficiently, utilizing the mcb 15ka industrial for standard office complexes.
Public Facility Assurance: Functions as the core protective 15ka miniature circuit breaker in public infrastructure, safeguarding vital electrical panels from catastrophic overload damage.

Technical Specifications with the 15KA MCB

Evaluate the comprehensive thermal-magnetic tolerances below to seamlessly integrate this high breaking capacity 15ka mcb into your AC electrical distribution panels.

General, Electrical & Mechanical Data

General & Technical Data (IEC/EN 60947-2)
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)	440V	Rated impulse withstand (Uimp)	6kV (1.2/50μs)
Ultimate short-circuit capacity (Icu)	15kA	Service short-circuit capacity (Ics)	7.5kA
Mechanical & Installation Data
Electrical / Mechanical life	10,000 Cycles / 20,000 Cycles	Protection degree	IP20
Terminal connection type	Cable / Pin-type / Fork-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 thermal and magnetic release parameters strictly dictate the precise trip times under varying load states.

Tripping Characteristic Curve 15ka mcb

Data acc. to IEC/EN 60947-2 (Rated current ≤ 63A)
Tripping Characteristic	Initial State	Test Current (A)	Trip Time (t)	Result Expected	Ambient Temp.
Thermal release	Cold state	1.05In	≥ 1h	No trip	30±2°C
Thermal release	Hot state (Follows above test)	1.30In	< 1h	Trip	30±2°C
Magnetic release	Cold state	8In	≤ 0.2s	No trip	Normal temperature
Magnetic release	Cold state	12In	< 0.2s	Trip	Normal temperature

Temperature Derating Table

Use the specific correction factors below to adjust the rated current based on the ambient installation 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

Dimensions and Wiring of the 15KA MCB

Verify the exact modular DIN rail footprints and dual terminal spacing below to guarantee perfect panel fitment for this high breaking capacity 15ka mcb.