Dold Italia S.r.l.

Via Privata Passo Pordoi, 5
20139 Milano
SL 9075

Fuse Monitor

SL 9075


Nominal voltage


  • 0050761
  • SL9075.01 AC50...400HZ 380-415V
Fuse monitoring in the three-phase mains, e.g. for automatic switching-off and switch-on... altro

Descrizione del prodotto

Fuse monitoring in the three-phase mains, e.g. for automatic switching-off and switch-on blockage of three-phase motors in the event of one or more phase fuses failing.

Specifiche tecniche

Measuring range max.: 440 V
Standard measuring range: 3 AC 380 - 415 V
1- / 3-phase: 3
Output contacts: 1 NO contact, 2 C/O contacts
Width: 35 mm
Enclosure design: Switch cabinet
Type: SL 9075


  • According to IEC/EN 60255-1
  • Recognizes fuse failures in three-phase mains up to 3 AC 690 V
  • Can be used for all types and sizes of fuses
  • Independent of phase sequence
  • Signals even if loads are switched off
  • No malfunction on
    - Asymmetrical mains
    - Mains with harmonic waves
    - Motors producing feedback
  • Shorter response time than with motor circuit-breakers
  • Green LED for intact fuses
  • Red LED for fuse failure
  • As option: Energized / de-energized on trip in the case of IP 9075 programmable via X4-X5 or X3-X4
  • As option: With manual reset function and remote reset, programmable via X1-X2
  • As option: 1 NO contact or 2 changeover contacts
  • 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
  • IL 9075, SL 9075: Width 35 mm
    IP 9075, SP 9075: Width 70 mm