Siemens SENTRON 5SY series terminal distribution

Siemens SENTRON 5SY series terminal distribution

The Siemens SENTRON 5SY series terminal power distribution products cover multiple core products such as small circuit breakers, residual current and arc fault protection devices, modular switches and control products. They have four core advantages: precise status indication, anti finger touch safety design, tool free installation, and ergonomic operation. The current covers 0.3A-125A and the breaking capacity can reach up to 50kA. They are suitable for multiple scenarios such as residential, industrial, and non residential buildings. Through multi standard certification, they provide a complete power distribution protection solution.

Product classification and core models

Core product categories, core series, key models, and core positioning

Small circuit breaker 5SY/5SP series 5SY6 (standard type), 5SY4 (high breaking type) for line overload and short circuit protection, suitable for multiple scenarios

5SY7 (ultra-high breaking type), 5SY5 (DC type) special environment (DC, high short-circuit current) protection

5SP4 (heavy-duty), 5SY60 (compact) high current load, saving installation space requirements

Residual current and arc fault protection 5SU series 5SU1 (electromagnetic), 5SU9 (electronic) personal safety, fire protection, integrated overload/short circuit protection

5SM series 5SM2/5SM9 (residual current module) and 5SM6 (arc fault) are used with circuit breakers for targeted fault protection

5SV series 5SV3/5SV4 (protection switch), 5SV8 (monitoring device) independent residual current protection, circuit monitoring uninterrupted power supply

Modular switch and control 5TL/5TE/5TT series 5TL1 (isolation switch), 5TE4 (button switch) distribution system control, status indication, circuit conversion

5TT4 (conversion relay), 5TT5 (overvoltage/undervoltage protector) auxiliary control, voltage abnormality protection

Supporting products -5SD74 (surge protector), 8GB SIMBOX (distribution box), distribution system auxiliary protection, equipment installation carrier

Core Product Technical Parameters

1. Key parameters of miniature circuit breakers

Parameter type core range represents model

Rated current (In) 0.3A-80A (conventional), 80A-125A (heavy-duty type) 5SY6 (0.3-80A), 5SP4 (80-125A)

Breaking capacity (Icn/Icu) 6kA-50kA 5SY7 (up to 50kA), 5SY4 (10kA)

Rated voltage (Un) AC 230/400V, DC 220/440/880V 5SY5 (DC 880V), 5SY6 (AC 400V)

Polaris 1P, 1P+N, 2P, 3P, 3P+N, 4P full series coverage

Release curve B/C/D type 5SY6 (B/C/D), 5SY5 (B/C)

2. Key parameters of residual current protection device

Product type Remaining operating current (I Δ n) Rated current (In) Breaking capacity

5SU1 residual current circuit breaker 10/30/300mA 6-40A 4.5/6/10kA

5SU9 residual current circuit breaker 10/30mA 6-63A 6/10kA

5SV3 protection switch 10/30/100/300/500mA 16-80A-

5SM2 protection module 30/300mA 0.3-63A-

Core advantages of the product

Safety protection: The wiring terminal is designed to prevent finger contact, reducing the risk of electric shock; Overvoltage category III, pollution level 3, suitable for complex environments; Some products come with overvoltage protection and can withstand surge currents up to 3kA.

Easy to operate: sliding buckle design enables tool free installation and disassembly; Ergonomic anti slip handle, easy to operate; The window design visually displays the on/off status (red=powered on, green=disconnected).

Flexible adaptation: Up and down incoming lines are optional (DC type according to polarity), dual terminal design supports dual strand wiring; Multi pole number, multi current level, and multi trip curve combination, suitable for different loads; The attachment is universal and can be expanded to include auxiliary contacts, release devices, and other functions.

Reliable and durable: mechanical lifespan up to 20000 cycles, electrical lifespan up to 10000 cycles; Storage temperature -40 ℃~+75 ℃, ambient temperature -25 ℃~+55 ℃, suitable for wide temperature environment.

Application scenarios and standard certification

Application areas: Covering residential buildings (lighting, socket circuits), industrial settings (equipment protection, remote control), non residential buildings (terminal distribution isolation), adapting to special scenarios such as infrastructure, railway signaling, and fan control.

Certification standards: Complies with multiple standards such as IEC/EN 60898-1, GB10963.1, UL489, and some products have passed CCC and RoHS certifications, supporting global use.