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, shockproof, self-extinguishing UL 94 V-0

Degree of protection

IP65 (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 A

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

d *
a *
* depending on the variant