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Overspeed governors HJ 300




















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HJ 300 SB U

Overspeed governor with governor wheel diameter 300 mm, 5 safety cogs (asymmetrical)
for retraction of the safety gear in both directions of rotation, narrow base plate design,
underhead arresting pendulum

Technical Details:

rope diameter: 6 – 8 mm
rated speed V max : 3,00 m/s
tripping speed V1: 0,45 – 3,70 m/s
safety switch: 20K / 230 VAC / 24 VDC / IP 67 / 1 opener gripping

Technical Drawing
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HJ 300 SB U - Z5

Overspeed governor with governor wheel diameter 300 mm, 5 safety cogs (asymmetrical)
for retraction of the safety gear in one direction of rotation, narrow base plate design,
underhead arresting pendulum.

Technical Details:

rope diameter: 6 – 8 mm
rated speed V max : 3,00 m/s
tripping speed V1: 0,45 – 3,70 m/s
safety switch: 20K / 230 VAC / 24 VDC / IP 67 / 1 opener gripping

Technical Drawing
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HJ 300 SB U - Z10

Overspeed governor with governor wheel diameter 300 mm, 10 safety cogs (symmetrical)
for retraction of the safety gear in one direction of rotation, narrow base plate design,
underhead arresting pendulum.

Technical Details:

rope diameter: 6 – 8 mm
rated speed V max : 1,74 m/s
tripping speed V1: 0,25 – 2,00 m/s
safety switch: 20K / 230 VAC / 24 VDC / IP 67 / 1 opener gripping

Technical Drawing