HX3

6kA Residential Miniature Circuit Breaker

EN/IEC 60898 compliant
6kA breaking capacity for residential protection
Rated current range: 0.5A-63A
Pole options: 1P, 2P, 3P, 4P
Trip curves: B, C, D, F
Thermal-magnetic overload and short-circuit protection
IP20 protection with 35mm DIN rail mounting
Suitable for residential, apartment, and light commercial electrical systems

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Describe Display
Specifications

Describe Display

The HX3 Series Miniature Circuit Breaker is compliant with EN/IEC60898. Offers 6kA breaking capacity and 0.5A‑63A rated current, protecting circuits from overload and short circuit.

Available in 1P-4P configurations with thermal/magnetic release, it’s 35mm DIN rail mountable (17.5mm per pole) and features IP20 protection, suitable for low‑voltage systems. Typical applications include residential distribution boards, apartment electrical panels, lighting circuits, socket outlets, and small household appliances.

Key Features – Why Choose HX3 for Your Home?

Key Features – Why Choose HX3 for Your Home

Normal Operating & Installation Conditions

Ambient temperature: -5°C to +40°C (24‑hour average not exceeding +35°C) per IEC60898.
Altitude: ≤ 2000m.
Relative humidity: ≤ 95% (non‑condensing).
Pollution degree: Level 2.
Installation type: 35mm DIN rail (top‑hat rail).
Terminal type: Pin type — compatible with cage clamp terminals and busbar systems.
Storage temperature: -25°C to +70°C.

Quality & Compliance

Certified to EN/IEC60898 & IEC60947‑2 — double certified for residential and light industrial applications.
Thermal‑magnetic technology — precise overload protection with ambient temperature compensation (refer to correction table).
Positive contact indication — red/green toggle handle shows ON/OFF status clearly.
High electrical & mechanical endurance — 10,000 mechanical cycles, 4,000 electrical cycles.
IP20 protection — suitable for installation inside distribution boards.
RoHS compliant — environmentally friendly materials.
Manufactured under ISO 9001:2015 quality management system.

Specifications

Technical Specifications

Standards Compliance	IEC 60988, IEC 60947-2 / EN/IEC60898
Protection Functions	Overload (thermal), short‑circuit (magnetic)
Breaking Capacity	6kA (up to 4.5kA on select models)
Rated Current (In)	0.5A, 1A, 2A, 3A, 4A, 6A, 10A, 13A, 16A, 20A, 25A, 32A, 40A, 50A, 63A
Rated Voltage	1P: 230/400V AC, 50/60Hz; 2P/3P/4P: 400/500V AC, 50/60Hz
Characteristic Curves	B type: (3‑5)×In; C type: (5‑10)×In; D type: (10‑20)×In; F type: (1.13,1.45)×In (thermal)
Number of Poles	1P, 1P+N, 2P, 3P, 3P+N, 4P
Trip Type	Thermal‑magnetic release
Terminal Type	Pin type
Terminal Capacity	0.5A‑25A: 16mm² flexible / 25mm² rigid; 25A‑63A: 25mm² flexible / 35mm² rigid
Degree of Protection	IP20
Installation	35mm DIN rail
Width per pole	17.8mm

Electrical & Mechanical Endurance

Electric Life	4,000 operations (240/h for 0.5‑32A; 120/h for 40‑63A)
Mechanical Life	10,000 operations (240/h for 0.5‑63A)

Wiring Data & Tightening Torque

Rated Current (A)	Cross‑sectional Area (mm²)	Tightening Torque (N·m)
1‑6	1	2
10	1.5	2
13, 16, 20	2.5	2
25	4	2
32	6	2
40, 50	10	2
63	16	2

Time‑Current Characteristic Curves

HX3 MCB trip curves

Temperature Compensation Correction Table

In (A)	-10℃	0℃	10℃	20℃	30℃	40℃	50℃	55℃	60℃
0.5‑63A	Refer to official correction table for precise coefficients

Note: For ambient temperatures above 30°C, apply the appropriate compensation coefficient to select the correct current rating. For hot environments, use a derated MCB or choose a higher current rating.

Main parameters and technical performance