WEIDMULLER Surge Protection Device SPD

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Weidmüller SPDs for Instrumentation & Control (I&C)

Pluggable VSPC Series – VARITECTOR SPC

• Design: 2-piece pluggable surge protection module with VSPC BASE socket
• Application: Instrumentation & control loops (0–20 mA / 0–10 V), binary signals up to 60 V
• Mounting: DIN rail with direct or floating PE contact
• Features:
  • Hot-swappable arresters for easy maintenance
  • Color-coded voltage identification
  • Optional VARITECTOR CONTROL monitoring
  • Compatible with V-TEST test device
• Variants: VSPC R, VSPC EX for intrinsically safe circuits
• Compliance: IEC/EN 61643-21, IEC/EN 61643-22
• Migration Note: Ideal for modular upgrades in confined automation environments

Non-Pluggable VSSC Series – Terminal Design

• Design: Slimline terminal block surge protection with screw connection
• Application: Binary and analog signal protection in I&C systems
• Mounting: Direct PE contact via TS35 DIN rail
• Features:
  • Width options: 6.2 mm / 12.4 mm
  • Integrated disconnect knives for signal isolation
  • LED status indicators (select models)
  • 2.3 mm test plug compatibility
• Variants: VSSC EX for hazardous area installations
• Compliance: IEC/EN 61643-21
• Migration Note: Suited for retrofit in legacy terminal blocks without rewiring

Non-Pluggable MCZovp Series – Tension-Clamp Connection

• Design: Compact surge protection terminal with tension-clamp technology
• Application: Measurement and control circuits, 24–48 V AC/DC
• Mounting: DIN rail, 6 mm width
• Features:
  • Fast wiring via tension clamp
  • Protection level: ~45 V (wire-PE), ~38 V (wire-wire)
  • Rated current: 0.5 A / 1.25 A
  • Lightweight housing (13–23 g)
• Variants: CL, SL, FG, HF, TAZ diode, varistor types
• Compliance: IEC/EN 61643-21
• Migration Note: Ideal for space-constrained panels and high-density signal routing

Cable Gland VCG Series – VARITECTOR EX

• Design: IP67-rated cable gland with integrated surge protection
• Application: Field device protection in hazardous areas (Ex i circuits)
• Mounting: Threaded housing (G½, M20x1.5, NPT½)
• Features:
  • HART-compatible
  • Direct grounding via enclosure
  • Compact form factor for EX-rated enclosures
• Variants: VCG 24V EX 2 / EX 4 (multiple thread types)
• Compliance: IEC/EN 61643-21
• Migration Note: Enables surge protection without modifying enclosure internals

List of available models: