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Crystal insert diameter: 75 mm (2.96 in)
Viewing aperture diameter: 68 mm (2.7 in)
Viewing aperture area: 3632 mm2 (5.63 in2)
Thickness: 2 mm (0.08 in)
ClirVu coating: Yes
Shortwave IR capable: Yes
Midwave IR capable: Yes
Longwave IR capable: Yes
Ultraviolet (UV) capable: Yes
Visual capable: Yes
Fusion capable: Yes
Canadian Standards Association (CSA) approval: Yes
Environmental: Type 3/12
ANSI C37.20.7: 50 kA for 30 cycles @ 60 Hz
EEMACS 14-1 Type-B: 40 kA for 30 cycles @ 60 Hz
IEC 62271: 20 kA for 5 cycles @ 50 Hz
Cyclic humidity withstand: Yes
Vibration withstand: Yes
Resistance of insulating materials to 100°: Yes
Resistance of insulating material to ball pressure (Brinell): Yes
Glow-wire test 650°C: Yes
Up to 11 kV marine switchgear, indoor or outdoor: Yes
IP rating: IP65
