MH4 Arrester (42 kV Rated, 1116 mm Creep Distance, AA Hardware)
Brand: OHIO BRASS
Catalog ID: MH4052GM042AA
IEC Station High / Porcelain Housed Surge Arrester
IEC Porcelain station class arresters for substation protection
- IEC porcelain Station High class arrester
- IEEE 693 High Performance Qualification
- High quality MOV discs made in Wadsworth, Ohio since 1978
- Arresters assembled in Aiken, South Carolina
- 100% routine tested
General
Application
Substation
Catalog Number
MH4052GM042AA
Color
Gray Housing
Material
Porcelain Housing
Mounting Position
Upright
Type
Station
Dimensions
Bolt Circle Diameter
254 mm
Diameter - Single Bolt Hole(s)
14 mm
Height
805.6 mm
Minimum Mounting Spacing on Center (Sea Level) - Phase to
8 in (204 mm)
Minimum Mounting Spacing on Center (Sea Level)- Phase to Phase
9.8 in (248 mm)
Electrical Ratings
Creep and Leakage Distance
43.9 in (1116 mm)
Duty Cycle
42 kV
Frequency Rating
48-62 Hz
Maximum Discharge Voltage
- 88 kV @ 1.5 kA
- 91.5 kV @ 3 kA
- 94.5 kV @ 5 kA
- 99 kV @ 10 kA
- 106 kV @ 20 kA
- 117 kV @ 40 kA
Maximum Switching Surge Protective Level @ 1000A
85 kV
Maximum Switching Surge Protective Level @ 2000A
88 kV
Maximum Switching Surge Protective Level @ 500A
82.5 kV
MCOV
33.6 kV
Minimum Strike
445 mm
Pressure Relief Capability-Symmetrical rms (kA)
63
Voltage - Line
52 kV
Withstand Voltage - 60 Hz Wet
108 kV
Withstand Voltage - Lightning Impulse
276 kV
Withstand Voltage - Switching Impulse
220 kV
Conductor Related
Conductor Type
Cu/Al (AWG #4 - 500 MCM)
Certifications And Compliance
Industry Standard(s)
IEC
Configuration
Mounting Position
Upright