Overview and Product Positioning
Basic Information
Product series: Siemens E50 series terminal power distribution products, covering the full scenario requirements of terminal power distribution, including protective devices and distribution boxes;
Background: In response to the increasing demand for electricity in modern buildings and the popularization of new electrical appliances, we provide safe, environmentally friendly, and compact terminal distribution solutions;
Target users: real estate developers, electrical design and construction units for civil/industrial/commercial buildings;
Core advantages:
Compact size: modular design, saving distribution box space, flexible wiring;
Green and environmentally friendly: produced in a green factory, compliant with RoHS standards, and contributing to carbon neutrality;
Safe and reliable: The full current range comes standard with a 6kA breaking capacity, and the circuit breaker is equipped with a safety window (to avoid the risk of contact adhesion) and supports isolation function.
Product family composition
Applicable scenarios for core functions of product categories
E50 miniature circuit breaker (MCB) overload, short circuit protection for lighting, air conditioning, and ordinary load circuits
E50 residual current protection circuit breaker (RCBO) overload, short circuit+residual current protection (anti electric shock) socket circuit (such as kitchen, bathroom)
Installation of Simbox series small distribution box components and integration of centralized management terminal distribution circuits
Core Product Technical Parameters
1. E50 series miniature circuit breaker (MCB)
Basic parameter table: | Parameter category | Specification details | Execution standard | GB/T 10963.1 | | Rated voltage/frequency | AC 230V/400V, 50/60Hz | | Rated current range | 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A | | Rated breaking capacity (Icn) | 6kA (standard across all current ranges) | | | Tripping characteristics | C-type (distribution protection, 5-10In tripping), D-type (power protection, 10-20In tripping) | | Number of poles | 1P, 2P, 3P, 4P | | Protection level | Direct installation: IP20; Installed in the distribution box: IP40 (according to EN60529) | | Wiring capacity | Hardwire: 1-25mm ² (25mm ² without voltage terminal); Flexible wire (with terminal): 1-16mm ² | | Tightening torque of terminal block | Maximum 2.5N · m | | Installation method | Modular structure, DIN rail clamp (35mm standard rail) | | Lifespan | Mechanical lifespan: 20000 cycles; Electrical lifespan: 10000 cycles | | Environmental adaptability | Temperature: -20~+55 ℃ (-5~+40 ℃ without capacity reduction); Altitude: 2000m; Pollution level: Level II | | Certification | CCC, RoHS|
Selection and ordering data (partial examples): | Rated current (A) | Number of poles | Tripping characteristics | Product model | Order number | Minimum order unit (only) | Minimum packaging quantity (only) | | 6 | 1P | C type | E50 MCB 1P C6A 6KA | 5TH61067CN | 12 | | 16 | 2P | C type | E50 MCB 2P C16A 6KA | 5TH62167CN | 6 | 6 | | 32 | 3P | D type | E50 MCB 3P D32A 6KA | 5TH63328CN | 4 | 4 | | 63 | 4P | D type | E50 MCB 4P D63A 6KA | 5TH 64638CN | 3 | 3|
2. E50 series residual current protection circuit breaker (RCBO)
Basic parameter table: | Parameter category | Specification details | Execution standard | GB/T 16917.1 | | Rated voltage/frequency | AC 230V, 50Hz | | Rated current range | 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A | | Residual current protection type | AC type (electronic, ELE) | | Rated residual operating current (I Δ n) | 30mA (instantaneous, anti electric shock) | | Rated breaking capacity | 6kA | Rated residual connection breaking capacity (I Δ m) | 2000A | | Tripping characteristics | C type, D type | Structural form | 1P+N (simultaneous protection of live and neutral wires) | | | Protection level | Direct installation: IP20; Installed in the distribution box: IP40 | | Wiring capacity | Same as MCB: Hard wire 1-25mm ², flexible wire (with terminal) 1-16mm ² | | Life | Mechanical life: 20000 times; Electrical lifespan: 10000 cycles | | Environmental adaptability | Same as MCB: -20~+55 ℃ (-5~+40 ℃ without capacity reduction); Altitude 2000m | | Certification | CCC, RoHS|
Selection and Ordering Data (Partial Examples): | Rated Current (A) | Tripping Characteristics | Product Model | Order Number | Minimum Ordering Unit (Only) | Minimum Packaging Quantity (Only) | | | 6 | C Type | E50 RCBO 1P+N C6A 30mA 6KA | 5TH83561CN06 | 6 | | | 20 | C Type | E50 RCBO 1P+N C20A 30mA 6KA | 5TH83561CN20 | 6 | | | | | | 6 | | | | | D Type | E50 RCBO 1P+N D16A 30mA 6KA | 5TH83562CN16 | 6 | 6 | | | | | 63 | D Type | E50 RCBO 1P+N D63A 30mA 6KA A | 5TH83562CN63 | 6 | 6|
3. Simbox series small distribution box
Basic parameter table: | Parameter category | Specification details | | Execution standards | GB/T 17466.1, GB/T 17466.24 | | Modular range | 10, 13, 16, 20, 26, 32, 40 circuits (1 circuit=18mm modulus) | | Rated voltage/current | 400V AC; 63A (10-26 circuits), 125A (32-40 circuits, 2 × 16/2 × 20 rows) | | Protection level | IP30 | | Insulation level | Level I | | Installation method | Concealed installation, exposed installation | | Material | Cover: Plastic (Yinggray/Yabai); Bottom box: 1.2mm cold-rolled steel plate | | Door opening angle | 180 ° (left/right) | | Environmental temperature | -5~+60 ℃ | | Environmental standards | RoHS | | Accessories | Instruction manual, installation screws, circuit labels, reserved knock off holes; Optional DIN rail and zero ground row|
Selection and ordering data (concealed full box, transparent gray cover): | Module (circuit) | Rows × Circuit | Concealed size (mm) | External size (mm) | Order number | | 10 | 1 × 10 | 254 × 220 × 90 | 286 × 255 × 115 | 8GB3411-2CC88 | | 16 | 1 × 16 | 363 × 220 × 90 | 394 × 255 × 115 | 8GB3411-6CC88 | | | 26 | 2 × 13 | 309 × 361 × 90 | 340 × 400 × 115 | 8GB3413-8CC88 | | | 40 | 2 × 20 | 435 × 475 × 90 | 466 × 510 × 115 | 8GB3314-8CC88|

Installation and storage specifications
1. Installation requirements
Device installation:
E50 MCB/RCBO: It must be installed vertically, with DIN rail (35mm) card mounting, and the incoming line can be installed vertically or vertically;
Simbox distribution box: Concealed installation requires reserved wall openings (matching the concealed installation size), exposed installation requires fixing on a flat wall, and internal components are fixed through DIN rails;
Wiring specifications: Hard wires should be stripped to the appropriate length, and the terminal tightening torque should not exceed 2.5N · m to avoid false connections and heat generation.
Environmental restrictions:
Temperature: MCB/RCBO does not require derating within the range of -5~+40 ℃. If it exceeds this range, please consult the manufacturer; The distribution box is suitable for -5~+60 ℃;
Altitude: up to 2000m, exceeding which insulation performance needs to be evaluated;
Pollution: Only applicable to pollution level II (no obvious dust, corrosive gases).
2. Storage and transportation
Storage conditions:
Temperature: 20-25 ℃, avoid environments below -20 ℃ or above 60 ℃;
Humidity: Relative humidity of 20% -30%, high humidity environment requires sealed packaging;
Other: It is prohibited to store it mixed with acidic liquids/gases or dust, and wiring should be avoided before use to prevent terminal battery effect corrosion.
Transportation requirements: light loading and unloading, avoid severe vibration, and transport in the same environment as storage conditions.
Typical application scheme
The manual provides standardized solutions for the power distribution needs of different residential units, with the following core configurations:
1. Small residential unit (2 bedrooms, electricity load 4KW, electricity meter 10 (40) A)
Circuit configuration: There are a total of 5 circuits with a total module of 10, using Simbox PS-Z 1 × 10 distribution box;
Circuit type, protection device model, quantity
Lighting circuit E50 MCB 1P C16A 6kA 1
Ordinary socket circuit E50 RCBO 1P+N C20A 30mA 1
Kitchen socket circuit E50 RCBO 1P+N C20A 30mA 1
Toilet socket circuit E50 RCBO 1P+N C16A 30mA 1
Wall mounted air conditioning circuit E50 MCB 1P C16A 6kA 1
Incoming switch: E50 MCB 2P C40A 6kA (with isolation function).
2. Medium sized residential unit (3 bedrooms, electricity load 6KW, electricity meter 10 (40) A)
Circuit configuration: There are a total of 7 circuits with a total module of 13, using Simbox PS-Z 1 × 13 bit distribution box;
Circuit type, protection device model, quantity
Lighting circuit E50 MCB 1P C16A 6kA 1
Ordinary socket circuit E50 RCBO 1P+N C20A 30mA 1
Kitchen socket circuit E50 RCBO 1P+N C20A 30mA 1
Toilet socket circuit E50 RCBO 1P+N C16A 30mA 1
Wall mounted air conditioning circuit E50 MCB 1P C16A 6kA 2
Floor air conditioning circuit E50 RCBO 1P+N C20A 30mA 1
Incoming switch: E50 MCB 2P C50A 6kA.
3. Large residential unit (4-5 bedrooms, power load 8KW, electricity meter 15 (60) A)
Circuit configuration: There are a total of 9 circuits with a total module of 16, using Simbox PS-Z 1 × 16 bit distribution box;
Circuit type, protection device model, quantity
Lighting circuit E50 MCB 1P C16A 6kA 1
Ordinary socket circuit E50 RCBO 1P+N C20A 30mA 1
Kitchen socket circuit E50 RCBO 1P+N C20A 30mA 1
Toilet socket circuit E50 RCBO 1P+N C16A 30mA 1
Wall mounted air conditioning circuit E50 MCB 1P C16A 6kA 3
Floor air conditioning circuit E50 RCBO 1P+N C20A 30mA 1
Backup circuit E50 MCB 1P C16A 6kA 1
Incoming switch: E50 MCB 2P C50A 6kA.

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