Datasheet

Relays for functional safety
Safety relays PNOZsigma
PNOZ s7.2
Pilz GmbH & Co. KG, Felix-Wankel-Straße 2, 73760 Ostfildern, Germany
Telephone: [phone], Telefax: [phone], E-Mail: [e-mail]
2016-09
737
Relay outputs 750177 751177
External contact fuse protection,
auxiliary contacts
Max. melting integral 160 A²s 160 A²s
Blow-out fuse, quick 4 A 4 A
Blow-out fuse, slow 2 A 2 A
Blow-out fuse, gG 4 A 4 A
Circuit breaker 24 V AC/DC,
characteristic B/C 2 A 2 A
Contact material AgCuNi + 0,2 µm Au AgCuNi + 0,2 µm Au
Conventional thermal current
while loading several contacts
750177 751177
Ith per contact at UB DC;
AC1:240V,DC1:24V
Conv. therm. current with 1 con-
tact 6 A 6 A
Conv. therm. current with 2 con-
tacts 5,5 A 5,5 A
Conv. therm. current with 3 con-
tacts 4,5 A 4,5 A
Conv. therm. current with 4 con-
tacts 4 A 4 A
Times 750177 751177
Switch-on delay
With automatic start after power
on typ. 30 ms 30 ms
With automatic start after power
on max. 50 ms 50 ms
Delay-on de-energisation
With E-STOP typ. 18 ms 18 ms
With E-STOP max. 30 ms 30 ms
With power failure typ. 18 ms 18 ms
With power failure max. 30 ms 30 ms
Environmental data 750177 751177
Climatic suitability EN 60068-2-78 EN 60068-2-78
Ambient temperature
Temperature range -10 - 55 °C -10 - 55 °C
Storage temperature
Temperature range -40 - 85 °C -40 - 85 °C
Climatic suitability
Humidity 93 % r. h. at 40 °C 93 % r. h. at 40 °C
Condensation during operation Not permitted Not permitted
EMC EN 60947-5-1, EN 61000-6-2, EN
61000-6-4, EN 61326-3-1
EN 60947-5-1, EN 61000-6-2, EN
61000-6-4, EN 61326-3-1