Dold SL9171.12 3/N AC400/230V ,55-1,05UN, Undervoltage Relay, sku: 0053875

Monitoring of voltage systems on undervoltage. Automatic switching to emergency supply or of emergency light in the case of phase loss according to DIN VDE 0100-710 or DIN VDE 0108.

• According to IEC/EN 60255-1
• Monitoring of undervoltage in 3-phase system
• Also for single phase
• Without auxiliary supply
• Optionally for 3p3w systems
• LED indicator for state of output relay
• Independent of phase sequence
• 1 or 2 changeover contacts
• Optionally fixed or settable response value
• As option with phase sequence detection
• Optionally with or without N
• Optionally with off-delay t1
• Opionally with on delay t2
• Devices available in 2 enclosure versions:
  I-model: depth 59 mm, with terminals at the bottom for installation systems and industrial distribution systems according to DIN 43 880
  S-model: depth 98 mm, with terminals at the top for cabinets with mounting plate and cable duct
• Width:
  IK 9171, SK 9171: 17.5 mm
  IL 9171, SL 9171: 35 mm