Sprecher+Schuh CRD8-250 Surge Suppressor
1. Product Overview
Model: CRD8-250
Type: Industrial-grade surge protector (Type 1+2 composite)
Brand: Sprecher+Schuh (German electrical protection expert)
Standard: Complies with IEC 61643-11/UL 1449 4th Edition
Application: Lightning and operational overvoltage protection for main power distribution systems
2. Core parameters
Item Specifications
Rated voltage 250V AC (50/60Hz)
Maximum discharge current 50kA (8/20μs)
Voltage protection level ≤1.2kV (when In=5kA)
Response time <25ns
Failure indication Mechanical red warning window
Connection method 35mm DIN rail installation
3. Technical features
✔ Dual-stage protection technology:
Spark gap (Type 1 lightning protection)
Varistor (Type 2 fine protection)
✔ Intelligent monitoring:
Remote signal contact (1NO+1NC, dry contact)
Optional SCADA communication module
✔ Industrial-grade design:
Thermal trip protection (automatic circuit breaker at 160℃)
Vibration resistance (10-150Hz/5g)
Working temperature: -40℃～+85℃