Control System Surge Protector -BS L CD

Control System Surge Protector BS L CD is provide protection for two single wires of unbalanced interfaces with measuring and controlling system. Such as the field bus, input/output interface of the 0-20mA, 4-20mA control line.Designed according to lEC 61643-21；EN61643-21; GB 18802.21.

Type

BS L CD
Features

1. For mounting on the 35mm DIN rail. 2. Composed by two parts: the base and the protection module. 3. The signal will not be disconnected when replacing the module. 4. High discharge capacity, low voltage protection level.

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IEC Certified Control System Surge Protector

Control System Surge Protection for Automation Systems

35mm DIN Rail，EN 60715

0-20mA, 4-20mA

Pluggable Design

For 2 signal lines in measuring and control system

High Daicharge Capacity

The BS L CD Control System Surge Protector is a high-performance device designed to safeguard industrial and commercial control systems from power surges and transient overvoltages. With rapid response time (<1 nanosecond) and a robust design, it provides reliable protection for PLCs, SCADA systems, sensors, and other automation equipment. It operates across a wide voltage range and ensures durability in harsh environments (-40°C to +85°C). Featuring overload and overvoltage protection, it minimizes equipment downtime and extends system lifespan. Certified to meet IEC and UL standards, this surge protector is easy to install with DIN rail or wall-mounted options.

Control System Surge Protector

The Control System Surge Protector is specifically designed to protect industrial and commercial control systems from power surges and transient overvoltages. It effectively prevents equipment damage caused by power fluctuations, power failures, or lightning strikes, ensuring the stable operation of control systems and avoiding downtime and equipment failure.

Surge Protection for Process Control Systems

Key Features:

High-Efficiency Surge Protection: Effectively absorbs and eliminates electrical impacts caused by power surges and transient voltage fluctuations, safeguarding control system equipment.
Wide Applicability: Suitable for PLCs (Programmable Logic Controllers), SCADA systems, DCS (Distributed Control Systems), inverters, sensors, instruments, and other industrial automation equipment.
Fast Response Time: Quickly responds to surge events and isolates power impacts to ensure equipment safety.
Durability: Built with high-quality, durable materials to withstand complex and harsh operating environments, ensuring long-term stability.
Low Voltage Trigger Protection: Automatically activates protection when voltage exceeds the set safety threshold, ensuring devices are not damaged by overvoltage.
Reliable Overload Protection: Automatically disconnects power in the event of overcurrent or overload, preventing further damage to equipment.

Surge Protector for Industrial Control Systems

Applications:

Industrial Automation: Suitable for various industrial control systems, automation equipment, and machinery control systems to ensure continuous and stable operation.
Energy Sector: Protects power equipment, wind turbines, solar power systems, and other devices from power grid fluctuations.
Building and Infrastructure: Safeguards building control systems, fire safety systems, elevator control systems, and more from power surges.
Telecommunications: Protects base stations, network equipment, communication lines, and other devices from electrical impacts.
Transportation: Used for surge protection in traffic signal systems, railway control systems, and similar applications.

Surge Protection Device for Control Systems

Technical Data

Nominal voltage d.c. [U_N]	5V	12V	15V	24V	48V	60V	110V
Rated voltage(max. continuous d.c. voltage) [U_c]	6V	15V	15V	33V	54V	70V	180V
Rated voltage(max. continuous a.c. voltage) [U_c]	4.2V	10.5V	18V	26V	38.2V	49.5V	130V
Nominal current [I_L]	1A	0.75A	0.75A	0.75A	0.75A	1A	1A
Lightning impulse current (10/350μs) (per line)[Iimp]	2.5kA	2.5kA	2.5kA	2.5kA	2.5kA	2.5kA	2.5kA
Lightning impulse current (10/350μs) (total) [Iimp]	5kA	5kA	5kA	5kA	15kA	5kA	5kA
Nominal discharge current (8/20μs) (per line) [In]	10kA	10kA	10kA	10kA	10kA	10kA	10kA
Nominal discharge current (8/20μs) (total) [In]	20kA	20kA	20kA	20kA	20kA	20kA	20kA
Voltage protection level at Iimp (line-line) [Up]	≤ 25V	≤ 50V	≤ 90V	≤102V	≤ 160V	≤ 220V	≤ 520V
Voltage protection level at Iimp (line-PG) [Up]	≤ 27V	≤ 37V	≤ 70V	≤ 66V	≤ 95V	≤ 125V	≤ 300V
Voltage protection level at 1kV/us (line-line)/(line-PG) [Up]	≤ 18V/ ≤ 90V	≤ 38V/ ≤ 19V	≤ 50V/ ≤ 25V	≤ 90V/ ≤ 45V	≤ 140V/ ≤ 70V	≤ 180V/ ≤ 90V	≤ 500V/ ≤ 250V
Transmission range [F]	1.0MHz	2.7MHz	3.8MHz	6.8MHz	8.7MHz	9.0MHz	25.0MHz
Series impedance (per line) [R]	1.8Ω	1.8Ω	1.8Ω	1.8Ω	1.8Ω	1.8Ω	1.8Ω
Open circuit voltage（1.2/50μs）	10kV	10kV	10kV	10kV	10kV	10kV	10kV
Capacitance (line-line) / (line-PG) [C]	≤ 2.71nF/ ≤5.41nF	≤ 1.0nF/ ≤2.0nF	≤ 0.9nF/ ≤1.8nF	≤ 0.5nF/ ≤ 1.0nF	≤ 0.35nF/ ≤ 0.7nF	≤ 250nF/ ≤ 500nF	≤ 120nF/ ≤ 240nF
Response time [t_A](line-line) / (line-PG)	≤ 1ns/≤ 1ns	≤ 1ns/≤ 1ns	≤ 1ns/≤ 1ns	≤ 1ns/≤ 1ns	≤ 1ns/≤ 1ns	≤ 1ns/≤ 1ns	≤ 1ns/≤ 1ns
Type	BS L CD
Art.-No.	612001
Operating temperature range [Tu]	-40°C…+80°C
Cross-sectional area	0.08mm²-4mm² solid / 2.5mm² flexible
Mounting on	35mm DIN rail, EN 60715
Place of installation	Indoor
Enclosure material	Orange thermoplastic, UL94-V0
Test standards	IEC 61643-21; EN 61643.21; GB 18802.21
Certification	CE; RoHS; ISO 9001:2015;REACH