ZS 73 SR

Applied standards	EN 60947-5-1, EN 60947-5-5, EN ISO 13849-1
Enclosure	aluminium die-cast, enamel finish
Cover	thermoplastic, glass-fibre reinforced, impact resistant, self-extinguishing UL 94 V-0
Degree of protection	IP 65 to IEC/EN 60529
B_10d (10 % load)	ZS 73 SR VD: 200 000; ZS 73 SR: 2 million
T_M	max. 20 years
Contact material	silver
Switching elements	1 NC/1 NO contact or 2 NC contacts, type Zb
Switching system	snap action, positive break NC contacts
Connection	screw connection terminals
Cable cross-section	max. 2.5 mm² (incl. conductor ferrules)
Cable entry	2 x M20 x 1.5
Rated impulse withstand voltage U_imp	6 kV
Rated insulation voltage U_i	400 V
Conventional thermal current I_the	6 A
Utilisation category	AC-15
Rated operating current/voltage I_e/U_e	6 A/400 VAC
Short-circuit protection	6 A gG/gN fuse
Ambient temperature	–25 °C … +70 °C
Mechanical life	ZS 73 SR VD: > 100 000 operations; ZS 73 SR: > 1 million operations
Indicator lamp	as option
Approvals

Ordering details

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Type		Material no.
Type		Material no.
ZS 73 SR 1Ö/1S VD		1177256

Type		Material no.
ZS 73 SR 2Ö VD		on request Produced to order.
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.

Without latching