Dold Industries Ltd

11 Hamberts Rd. Blackall Ind. Estate
South Woodham Ferrers
GB-Essex, CM3 5UW
SL 9059

Phase-sequence relay

SL 9059

Contacts

Nominal voltage

Variant

  • 0065771
  • SL9059.11 3AC380-690V 40-80Hz
The phase sequence relays IL and SL 9059 of the VARIMETER series monitor compliance with the... more

Product description

The phase sequence relays IL and SL 9059 of the VARIMETER series monitor compliance with the correct phase sequence L1 - L2 - L3 and the presence of the three phase voltages in a three-phase system.

Technical specifications

Measuring range max.: 690 V
Standard measuring range: AC 380 - 690 V
1- / 3-phase: 3
Output contacts: 1 C/O contact
Width: 35 mm
Enclosure design: Switch cabinet
Type: SL 9059

Advantages

  • Protects mobile equipment against damage or destruction coming from wrong phase sequence

Features

  • According to IEC/EN 60255-1
  • Detection of incorrect phase sequence
  • No separately auxiliary voltage necessary
  • Nominal voltage range 3 AC 380 ... 690 V
  • Suitable for operation with inverters (f = 40 ... 80 Hz)
  • Relay output: 1 changeover contact
  • Extended temperature range
  • Devices available in 2 enclosure versions:
    IL 9059: Depth 59 mm, with terminals at the bottom for installation systems and industrial distribution systems according to DIN 43880
    SL 9059: Depth 98 mm, with terminals at the top for cabinets with mounting plate and cable duct
  • Width 35 mm