MH4 Arrester (240 kV Rated, 6414 mm Creep Distance, AA Hardware)
Brand: OHIO BRASS
Catalog ID: MH4300GM240AA
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
Product details
General
Application
Substation
Catalog Number
MH4300GM240AA
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
2429 mm
Minimum Mounting Spacing on Center (Sea Level) - Phase to
55.1 in (1400 mm)
Minimum Mounting Spacing on Center (Sea Level)- Phase to Phase
63 in (1599 mm)
Electrical Ratings
Creep and Leakage Distance
252.5 in (6414 mm)
Duty Cycle
240 kV
Frequency Rating
48-62 Hz
Maximum Discharge Voltage
- 500 kV @ 1.5 kA
- 519 kV @ 3 kA
- 537 kV @ 5 kA
- 564 kV @ 10 kA
- 604 kV @ 20 kA
- 665 kV @ 40 kA
Maximum Switching Surge Protective Level @ 1000A
482 kV
Maximum Switching Surge Protective Level @ 2000A
500 kV
Maximum Switching Surge Protective Level @ 500A
469 kV
MCOV
192 kV
Minimum Strike
1880 mm
Pressure Relief Capability-Symmetrical rms (kA)
63
Voltage - Line
300 kV
Withstand Voltage - 60 Hz Wet
588 kV
Withstand Voltage - Lightning Impulse
1018 kV
Withstand Voltage - Switching Impulse
936 kV
Conductor Related
Conductor Type
Cu/Al (AWG #4 - 500 MCM)
Certifications And Compliance
Industry Standard(s)
IEC
Resources and downloads
Installation Manuals
ISO Certificates
Sales Drawings
Media
Videos
