Page 1385 - MiSUMi 2025

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N-Series Strength Information Safety Distance Guidelines N-Series
Safety Fences Safety Fences

This is a quick reference table of required safety distances when designing safety fence layouts. Safety Fences / Related Accessories AL Frames / AL Pipe Frames / Steel Pipes /
Example distances conforming to JIS B 9718 when using MISUMI safety fences are shown.
(These are for reference only; final layouts must comply with ISO, JIS, or customer’s internal standards.)

QUpper Limbs Safety Distance Unit: mm
Safety Distance for Upper Limbs (High Risk) (JIS B 9718 ISO13857) Accessories N-Series AL Frames /
Total Height of Safety Fence (D+H) b
Height of
Risk Image Hazardous Area (mm) 1000 1200 1400 1600 1800 2000 2200 2400 2500 2700
Distance from Danger zone to Safety Fence c P.19-009
2700 0 0 0 0 0 0 0 0 0 0
2600 900 800 700 600 600 500 400 300 100 0
2400 1100 1000 900 800 700 600 400 300 100 0 Accessories Economy Series AL Frames /
2200 1300 1200 1000 900 800 600 400 300 0 0
2000 1400 1300 1100 900 800 600 400 0 0 0
Floor Danger b 1800 1500 1400 1100 900 800 600 0 0 0 0 P.19-037
Zone 1600 1500 1400 1100 900 800 500 0 0 0 0
1400 1500 1400 1100 900 800 0 0 0 0 0
C 1200 1500 1400 1100 900 700 0 0 0 0 0
Safety Fence 1000 1500 1400 1000 800 0 0 0 0 0 0 Accessories AL Pipe Frames /
800 1500 1300 900 600 0 0 0 0 0 0
600 1400 1300 800 0 0 0 0 0 0 0
400 1400 1200 400 0 0 0 0 0 0 0 P.19-067
200 1200 900 0 0 0 0 0 0 0 0
0 1100 500 0 0 0 0 0 0 0 0
• The distance from danger zone to safety fence varies depending on the height of danger zone. Accessories
• In case of the highest Danger zone requiring the widest safety distance is listed here. PE Coated Steel Pipes /
QLower Limbs Safety Distance Unit: mm P.19-070
Safety Fence Safety Distance for Lower Limb (JIS B 9718 ISO13857 Case 2)
Risk Image Foot Height Distance to prevent lower limb approach l
h≤200 ≥665 Accessories Safety Fences /
200<h≤400 ≥765
400<h≤600 ≥950
Safety Fence
600<h≤800 ≥950 P.19-072
800<h≤1000 ≥1195
• This describes the case where safety distance is the most critical:
Danger when the heel is lifted backward to enter danger zone.
Zone Floor
h Q Example : Fence Nets, 50mm pitch
• Safety fence foot height : 150mm
I

Q Safety Distance for Openings in Protective Structures (Fence Nets Gaps)
Passing Upper Limbs
Risk Image Safety distance when passing through the opening in infill material (gap in fence net)
(JIS B 9718 ISO13857) ※For persons aged 14 years or older
Safety distance sr
Protected Body Part Opening Rectangle shape Square shape Circle shape
Safety Distance 12<e≤20 ≥120 ≥120 ≥120
sr Hand 20<e≤30 ≥200 ≥120 ≥120
30<e≤40 ≥850 ≥200 ≥120
e Openings Arm 40<e≤120 ≥850 ≥850 ≥850
Q Example : Fence Nets, 50mm pitch
• Finger • Fist
Safety
Fence

19-073 19-074