Surge Protection Device For Hazardous Areas With Signal Safety
search
Contact Us
Contact Us
Surge Protection Device for Hazardous Areas -BS PI 4LD 24 M
  • Overview
  • Features
  • Datasheet
  • Showcase
  • Inquiry

Surge Protection Device for Hazardous Areas -BS PI 4LD 24 M

Surge Protection Device for Hazardous Areas BS PI 4LD 24 M（680242） is for installation at LPZ 0B-2 or higher, installed inside the control equipment, the built-in cable connected with the control equipment's wiring terminal. Applied in the intrinsically safe circuit in hazardous areas and 4-wire control equipment of bus system. Designed according to IEC 61643-21; EN 61643-21; GB/T 18802.21;GB/T 3836.

  • Type

    BS PI 4LD 24 M

  • Art.-No.

    680242

  • Features

    1. Applied in the 4-20mA measuring control system and bus system in hazardous areas(petrochemical, mining, and oil & gas sectors) and 4-wire control equipment of bus system.
    2. Small volume, easy replacement.
    3. Easy installing inside the control equipment.
    4. 316 Stainless steel housing, fireproof outdoor use.
    5. Installation with cable gland up to IP 67.
    6. M20 x 1.5 screws or 1/2-14 NPT screws Optional.

Inquiry
Download Datasheet
Surge Protection Device for Hazardous Areas
Explosion-Proof Surge Protector
Explosion-proof Surge Protector
Waterproof IP 67
Wiring: RD+,BK-;YE+,BR-; YE/GR:PE.
Nominal voltage: 24V DC
M20x1.5 screws/1/2-14 NPT screws Optional

Surge Protection Device for Hazardous Areas BS PI 4LD 24 M protects intrinsically safe measuring, control, and bus circuits exposed to transient overvoltage. Designed for 24V DC systems, it suits 4-20mA loops and four-wire control equipment used in hazardous industrial locations. The compact device installs inside control equipment and uses a 316 stainless steel enclosure for demanding environments. IP67 protection is available with the appropriate cable gland, while M20 x 1.5 and 1/2-14 NPT mounting options support flexible integration. With wide temperature tolerance, high discharge capability, and standards-based design, it supports dependable signal protection in critical field applications and networks.

Features

1. 24V DC Signal Circuit Compatibility: Designed for low-voltage instrumentation systems, supporting reliable protection of 24V DC control and measurement circuits.
2. Multi-Signal Protection Capability: Suitable for 4–20mA current loops, four-wire devices, and industrial communication interfaces requiring surge protection.
3. Strong Transient Current Handling: Provides high surge discharge performance to manage short-duration overvoltage events in industrial environments.
4. Stainless Steel Protection Housing: Built with a 316 stainless steel enclosure to improve durability in corrosive and demanding locations.
5. Compact Field Installation Design: Space-saving construction allows integration into various instrumentation and control systems.
6. Enhanced Environmental Sealing: Supports IP67 protection when combined with suitable cable gland accessories for outdoor and exposed applications.
7. Flexible Connection Options: Available with different thread configurations, including M20 × 1.5 and 1/2-14 NPT, for easier system adaptation.
Flameproof Surge Protector

Advantages

1. Improved Equipment Protection: Helps minimize damage risks caused by lightning-induced surges and electrical disturbances affecting sensitive devices.
2. Long-Term Operational Reliability: Durable construction supports stable performance in industrial sites with harsh environmental conditions.
3. Reduced Signal Interference Risk: Low capacitance design helps maintain signal quality for measurement and automation applications.
4. Simplified System Integration: Compact dimensions and versatile mounting choices make it easier to incorporate into existing equipment layouts.
5. Suitable For Critical Monitoring Systems: Provides dependable protection for instruments where continuous data transmission and process monitoring are important.
6. Wide Temperature Adaptability: Operates across a broad temperature range from -40°C to +80°C for different industrial climates.
7. Compliance-Oriented Performance: Designed according to recognized surge protection standards for industrial electrical applications.
Explosion-Proof SPD

Applications

1. Oil And Gas Instrumentation: Protects field instruments, transmitters, and monitoring systems used in petroleum and natural gas facilities.
2. Chemical Processing Equipment: Supports signal protection for automation systems operating in chemical production environments.
3. Factory Automation Networks: Helps protect control devices and communication circuits used in industrial production lines.
4. Hazardous Location Monitoring: Suitable for instrumentation systems installed in areas where electrical protection is essential.
5. Process Control Systems: Applied in measurement and control applications requiring stable signal transmission and equipment protection.
6. Outdoor Industrial Cabinets: Suitable for field-mounted control enclosures exposed to moisture, dust, and changing weather conditions.
7. Energy And Infrastructure Projects: Used in industrial facilities requiring additional protection for automation and monitoring equipment.
Ex d Surge Protector

Technical Data

Product Showcase

Ex Surge Protector
BS PI 4LD 24 M(M20x1.5 screws）
Hazardous Area Surge Protection
BS PI 4LD 24 M(1/2-14 NPT screws）
BS PI 4LD 24 M Ex SPD Dimension 1/2-14 NPT screws
BS PI 4LD 24 M Dimension(1/2-14 NPT screws）
BS PI 4LD 24 M Ex SPD Dimension M20x1.5 screws
BS PI 4LD 24 M Dimension(M20x1.5 screws）
BS PI 4LD 24 M Ex SPD Installation
BS PI 4LD 24 M Installation
BS PI 4LD 24 M Ex SPD Circuit
Circuit

Start Your Project

We will respond to you within 24 hours after receiving your request email.
  • icon_check 3 Years Warranty
  • icon_check Free Customized Design
  • icon_check Welcome OEM and ODM Service
  • icon_check CE RoHS CB KEMA TUV Certificates
  • icon_check Surge Protecetive Device（SPD）Factory
  • icon_check 30+ Years Surge Protector SPD Experiences

    Get Free Catalog

    WhatsApp