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PROTEC Z +

The PROTEC Z + is an extremely cost effective transient switching surge protection device combined wit PD sensor for on-line monitoring of the condition of the winding insulation of the protected motor, generator or dry type transformer utilizing partial discharge analysis. It is more effective than coupling capacitors used for this purpose because of the wider frequency response afforded by the PROTEC Z +. This permits seeing deeper into the windings and provides significantly improved coverage, which has always been a weakness of conventional coupling capacitor sensors.

Features

  • Robust, high grade stainless steel enclosure.
  • Enhanced THD (V) withstand.
  • Designed for multi-ranging applications.
  • Permits integrity test of functional components.
  • Safety switch on all HV products as a standard
  • Recognised quality system certification.

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Description

Ratings
Attribute Unit MM3 (5-13,8kV) SSW
Maximum rated voltage kV 13,8
Rated voltage range kV 5 - 13,8
THD (V) % 10
BIL kV 95
Rated frequency Hz 50/60
Ambient temperature - minimum °C -40
Ambient temperature - maximum °C +55
Altitude masl Up to 2000
Specification
Attribute Unit MM3 (5-13,8kV) SSW
Rated capacitance μF 3 x 0,2
Capacitance tolerance % -5/+5
Resistance per phase 30
Tangent Delta 20 x 10-4
Dielectric type all-film
Bushings:
Impulse test voltage
Dry test voltage
Wet test voltage
Minimum creepage

kV
kV
kV
mm

95
38
28
305
Installation location Machine Mount (MM)
Fusing No internal fusing
Routine tests
Voltage withstand terminal -terminal kV dc 53,8kV for DC for 10s
Voltage test terminal-ground kV ac 26,9kV for AC for 10s
Tangent delta Yes
Capacitance Yes
Reliability
Maintenance requirements None
Performance verification Via the safety switch
Expected service life >15 years
Construction
Phases Three phase
Enclosure fabrication Welded
Enclosure material 304 Stainless steel
Primer Epoxy
Finish PUR RAL 7032
Connection YN
Bushing quantity 3
Bushing type Ceramic
Insulation Fluid
Fluid type Jarylec C101D
Fluid volume litre 6
Weight kg 22
Overall Dimensions (L x H x W) mm 520x520x105
Standards
Explosion Protected Ex nA llC T3A Yes
Routine tests IEC 60871-1: 2005
Temperature category °C -25/D
Quality Management System ISO 9001:2008 ISO 14001:2004
Certification Body Bureau VERITAS
In compliance with IEC 60871-1: 2014; VDE 0560 Teil 410; ANSI/IEEE 18-2002; NEMA CP-1-2000
Marks CE IA
Options
Safety switch Yes
Partial discharge sensor No
Shipping
Anti-static link Yes
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