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6 – English

The measurements in table N° 2 are guideline only and can be used as a general estimate only. The effective suitability of SPIN for automating

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pressure or the presence of ice, which could obstruct leaf movement.

To establish effective conditions, the force required to move the leaf throughout its stroke must be measured, to ensure that this value does not

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the data in tables 3 and 4 must be taken into account.

Table 3 - limits related to leaf height

Leaf height meters Max. no. of cycles/hour Max. no. of consecutive cycles

Max. 2m 20 10

2÷2,5m 15 7

2,5÷3m 12 5

3÷3,5m 10 4

Table 4 - limits in relation to force required to move door leaf

Force required to move leaf N Cycle reduction percentage

SN6021 SN6031 SN6041

Max. 250N 100% 100% 100%

250 – 400N 70% 80% 90%

400 – 500N 25% 50% 70%

500 – 650N --- 25% 40%

650 – 850N --- --- 25%

The height of the door enables a calculation of the maximum number of cycles per hour and consecutive cycles, while the force required to

move the door enables a calculation of the percentage of cycle reduction; for example, if the leaf height is 2.2 m this would enable 15 cycles per

hour and 7 consecutive cycles, but if a force of 300N is required, using a SN6021 gearmotor, these would have to be reduced to 70%, resulting

therefore in 10 cycles per hour and around 5 consecutive cycles. To avoid overheating, the control unit has a limiter that is based on the motor

operation and duration of cycles, and trips when the maximum limit is exceeded.

N.B.: 1Kg = 9.81N, meaning that 500N, for example, is equivalent to 51Kg.

Table 5 – comparison of main features

Gearmotor type SN6021 SN6031 SN6041

Maximum torque (corresponding to the maximum force)

11.7Nm (650N) 14.4Nm (800N) 18Nm (1000N)

Reduced consumptoin in Stand-By 4.2W 0.8W 1.2W

Nice SN6031 User Manual

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