Page 11 - Enclosed

SAFET Y SWITCHES 11

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Technical data
Safety switches

02

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Aluminium enclosed safety switches
Data according to IEC 60947-3 Switch type OTA16_X OTA25_X OTA40_X OTA63_X OTA80_X OTA100_X OTA125_X
Rated insulation voltage and rated Pollution degree 3 50 Hz V 750 750 750 750 750 750 750
operational voltage AC20/DC20 1 min.
Rated thermal current Ambient 40 °C 2) A 25 32 40 63 80 115 125
Ambient 60 °C A 20 25 32 50 63 80 100
Rated operational current, AC-23A up to 415 V A 16 20 23 63 75 80 90
500 V A 16 20 23 45 58 60 70
690 V A 10 11 12 20 20 40 50
Rated operational power, AC-23A 220...240 V kW 3 4 5.5 11 22 22 22
(These values are given for guidance and 400...415 V kW 7.5 9 11 22 37 37 45
may vary acc. to the motor manufacturer)
440...500 V kW 7.5 9 11 22 37 37 45
690 V kW 7.5 9 11 15 18.5 37 45
Rated conditional short-circuit current Iq Iq 50kA, 415V Îc kA 6.5 6.5 6.5 13 13 16.5 16.5
(r.m.s.) and corresponding max. Allowed Max. OFA_fuse size
cut-off current Îc of fuse. The cut-off gG/aM A/A 40/32 40/32 40/32 100/80 100/80 125/125 125/125
current Îc referes to values listed by fuse
manufacturers (single phase test acc. To Iq 100kA, 500V Îc kA – – – 17 17 – –
IEC60269) Max. OFA_fuse size
gG/aM A/A – – – 100/80 100/80 – –
Iq 10kA, 690V Îc kA – – – – – 8.2 8.2
Max. OFA_fuse size
gG/aM A/A – – – – – 125/100 125/100
Iq 50kA, 690V Îc kA 4 4 4 11 11 10 10
Max. OFA_fuse size
gG/aM A/A 25/16 25/16 25/16 80/63 80/63 63/63 63/63
Rated short-time withstand current r.m.s. -value Icw 690 V, 1 s kA 0.5 0.5 0.5 1 1.5 2.5 2.5

Cable size Cu-wire size suitable mm² 0.75...10 0.75...10 0.75...10 1.5...35 1.5...35 10...70 10...70
for terminal clamps