The VAL-MS 230/1+1 is a Type 2 surge arrester designed for single-phase 3-wire systems (L1, N, PE). It protects electrical installations like sub-distribution boards and machine control cabinets against transient overvoltages caused by indirect lightning strikes or switching surges.
- Nominal Voltage: 275 V AC
- Maximum Surge Current: 40 kA
- Mounting: DIN rail (35 mm)
- Dimensions: Approx. 90 mm (L) × 66 mm (D) × 36 mm (H)
- Operating Temperature Range: –40 °C to +80 °C
- Housing Material: Polyamide (PA)
- Protection Class: IP20
- Compliance: Meets IEC 61643-11 and EN 61643-11 standards
- Certifications: Includes UL/cUL, CSA, KEMA-KEUR, CB Scheme, and EAC approvals
