63A DC MCB 1200V Non-Polarity Circuit Breaker 6kA - Image 4

63A DC MCB 1200V Non-Polarity Circuit Breaker 6kA

Name: 63A DC MCB 1200V Non-Polarity 6kA - ETEK Electri
SKU: ETM1-63DC

Isolating critical high-voltage photovoltaic strings, this 63A DC MCB delivers exceptional thermal-magnetic protection up to 1200V DC. The ETM1-63DC series functions as a rugged non-polarity dc mcb 63 amp, eliminating wiring errors to ensure rapid field deployment across demanding solar storage networks.

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ModelETM1-63DC

CategoryDC Mini Circuit Breaker, Circuit Breakers

AvailabilityIn stock

CE & TUV certified
Worldwide shipping
OEM & ODM support

Product Features of the 63A DC MCB

Engineered for extreme high-voltage resilience, this 63A DC MCB integrates dependable arc suppression to maintain long-term structural and electrical integrity.

Non-Polarized Design: Eliminates strictly directional wiring requirements, ensuring the 63a dc circuit breaker installs rapidly without reverse polarity risks.
High-Voltage Capacity: Operates seamlessly up to 1200VDC, decisively isolating severe fault currents with a 6kA ultimate short-circuit breaking capacity (Icu).
Visual Status Indication: Features a direct mechanical red/green contact position indicator on the faceplate for instantaneous switching recognition.
Extensive Lifecycle: Delivers an actual mechanical lifespan exceeding 20,000 cycles, heavily outperforming standard regulatory requirements.
External Bridging Ready: Facilitates efficient panel routing using specialized external bridging busbars tailored for complex double pole dc breaker arrays.

Commercial Applications for the 63A DC MCB

Deploying the ETM1-63DC secures vital direct current nodes, establishing a highly dependable isolation framework for commercial solar infrastructures.

Applications & Use Cases

Photovoltaic Combiner Boxes: Functions as the primary 2 pole dc circuit breaker, safely aggregating and safeguarding multiple high-voltage solar string inputs.
Energy Storage Systems (ESS): Isolates heavy-duty battery banks securely, utilizing a dc mcb 63 amp 2 pole to manage intense charge and discharge cycles.
Industrial DC Networks: Protects specialized manufacturing equipment operating on direct current, acting as a flawless 2p dc circuit breaker for instant fault isolation.

Technical Specifications for the 63A DC MCB

Evaluate the comprehensive thermal-magnetic tolerances below to seamlessly integrate this high-capacity 63A DC MCB into your specialized DC electrical panels.

General & Electrical Data (IEC/EN 60947-2)

Electrical & Protection Specifications
Protection	Overcurrent and short circuit	Type of trip	Thermal-magnetic
No. of poles	1P, 2P, 3P, 4P
Rated voltage (Ue)	1P: 300VDC \| 2P: 600VDC \| 3P: 900VDC \| 4P: 1200VDC
Rated currents (In)	6, 10, 16, 20, 25, 32, 40, 50, 63A
Rated insulation voltage (Ui)	1200V	Rated impulse withstand (Uimp)	6kV (1.2/50μs)
Rated ultimate capacity (Icu)	6kA	Rated service capacity (Ics)	6kA
Mechanical & Environmental Data
Electrical life (Standard)	1,000 Cycles (Actual: >1,000)	Mechanical life (Standard)	8,500 Cycles (Actual: >20,000)
Ingress protection	IP40 (Wiring port IP20)	Pollution degree / Overvoltage	3 / Category 3
Operating ambient temp.	-25°C ~ +55°C	Storage ambient temp.	-30°C ~ +70°C

Tripping Characteristics & Altitude Derating

The instantaneous magnetic tripping parameters operate cleanly across Z, L, and K curves for specialized DC isolation.

63a dc mcb Tripping Characteristic Curves

Tripping Characteristic Rules (In = 6-63A)
Thermal Tripping	1.05In: no tripping within 1h \| 1.3In: tripping within 1h
Overload Interruption	I = 2.55In, 1s < t < 120s
Instantaneous Z Curve	(3 – 5) × In
Instantaneous L Curve	(6 – 10) × In
Instantaneous K Curve	(10 – 14) × In

Derating of Altitude

Altitude (m)	2000	3000	4000	5000
Rated current (In)	1	0.97	0.91	0.86
Rated insulation (Ui)	1	0.90	0.82	0.76
Power-frequency dielectric strength	1	0.90	0.82	0.76
Rated impact tolerance voltage (Uimp)	1	0.90	0.82	0.76
Rated short-circuit capacity (Icn)	1	0.87	0.77	0.67
Electrical life (Cycles)	1	0.87	0.77	0.67

Temperature Derating Table

Use the correction factors below to accurately adjust the continuous rated current based on the ambient installation temperatures.

Rated Current (A)	Correction Factor for Ambient Temperature
Rated Current (A)	-30°C	-20°C	-10°C	0°C	10°C	20°C	30°C	40°C	45°C	50°C	55°C	60°C
16A	1.24	1.20	1.16	1.11	1.07	1.02	1.00	1.00	0.90	0.87	0.84	0.81
20A	1.23	1.19	1.15	1.11	1.07	1.02	1.00	1.00	0.90	0.87	0.84	0.81
25A	1.24	1.20	1.16	1.11	1.07	1.02	1.00	1.00	0.90	0.87	0.85	0.82
32A	1.23	1.19	1.15	1.11	1.07	1.02	1.00	1.00	0.91	0.88	0.85	0.78
40A	1.23	1.19	1.15	1.11	1.07	1.02	1.00	1.00	0.91	0.88	0.85	0.82
50A	1.23	1.19	1.15	1.11	1.07	1.02	1.00	1.00	0.91	0.88	0.85	0.82
63A	1.27	1.22	1.18	1.13	1.08	1.02	1.00	1.00	0.88	0.85	0.82	0.78

Modular Accessories for the 63A DC MCB

Expand the operational capabilities of your DC panel by seamlessly integrating these dedicated EKM1-Series remote signaling and tripping modules.

EKM1-OF Auxiliary Contact

Provides precise status signaling with 1NO+1NC contacts for automated monitoring systems.

EKM1-OF Auxiliary Contact

Standard	IEC/EN 60947-5-1	Width	9 mm
Rated Voltage (Ue)	AC-13 / AC-15: 230-400 VAC \| DC-12: 24-110 VDC
Operating Current (Ie)	AC-13: 3A@230V, 2A@400V \| AC-15: 2A@230V, 1A@400V \| DC-12: 0.5A≤110 VDC