GENERAL characteristics

Standard GENERAL characteristics

A1. General characteristics

Characteristics	Description	Reference standard
Execution	Sassi Gear flange
Insulation class	F	CEI EN 60034-1:2011-03 Sez. 8
Service type	Intermittente S4	CEI EN 60034-1:2001-03
Intermittence %	40 % - 60 %	CEI EN 60034-1:2011-03
Mechanical enclosure protection	IP 21	CEI EN 60034-5:2001-10 + A1:2007-03 Sez.4 e 5
Vibrations	Effective value of vibration speed	CEI EN 60034-14:2005-11 + A1:2007-10
Noise		CEI EN 60034-9:2005-05 + A1:2008-02
Environmental conditions	Altitud<= 1.000 m Temperature <= 40° C	CEI EN 60034-1:2011-03 Sez. 6
Electromagnetic compatibility		CEI EN 61000-6-3:2007 EN 55014-1:2006+A2:2011 EN 55014-2:1997+A2:2008 EN 12015:2014 EN 12016:2013

Other reference standards:
NORME IEC/CEI: CEI EN 60034-2-1:2015-09; CEI EN 60034-8:2008-05+A1:2015-01

A2. Execution: assembly suitable for SASSI gears (MF type)
That is coupling between gear and motor by means of the flange, with overhanging motor.

A3. General characteristics
Motor maximum internal temperature = 155°C
Allowed maximum overtemperature = 100°C

A4. Type of service: intermittent (at 40% and 60%)
The intermittent service occurs when the motor is subject to working cycle after non working cycles.
The allowed intermittent service is:

40% , with 90 or 120 avv/h;
60% , with 180 or 240 avv/h.

The following table shows the theorical division between working time and non-working time according to the scheduled starting hours.

Sts/h	Total Cycle [sec]	Working Cycle [sec]	Non-working Cycle [sec]	Intermittence [%]
90	40	16	24	40
120	30	12	18	40
180	20	12	8	60
240	15	9	6	60

A5. Mechanical enclosure protection: IP21

That is: "Protection against the accidental contact with live parts and against approach to such parts as well as against contact with moving parts inside the casing with one's fingers or with objects not longer than 80 mm. Protection against the penetration of solid foreign bodies with a diametre more than 12 mm".

Moreover: "Vertically falling dripping water has no harmful effect."

A6. Vibrations
According to the standard CEI EN 60034-14:2005-11 + A1:2007-10, the value adopted to measure the vibrations corresponds to the effective value of the vibration speed expressed in mm/sec.
The values normally adopted, concerning the internal standard of acceptability for SASSI machines are lower than the one scheduled by the above mentioned rule.

A7. Noise
The standard adopted to measure noise, complies with what specified by the CEI EN 60034-9:2005-05+A1:2008-02.
As regards two speed motors, give special attention to noise during transients and during working at low speed.

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