ZS 73 S

Applied standards

EN 60947-5-1, EN 60947-5-5, EN ISO 13850, 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

ZS 73 S VD: IP65; ZS 73 S VS: IP54 (IEC/EN 60529)

B_10d (10 % load)

100 000

T_M

max. 20 years

Contact material

silver

Switching elements

1 NC/1 NO, 2 NC or 2 NC/1 NO, type Zb

Switching system

snap action, positive break NC contacts A

Connection

screw connection terminals

Cable cross-section

min. 0.5 mm², max. 2.5 mm² (incl. conductor ferrules)

Stripping length

6 mm

Cable entry

2 x M20 x 1.5 (for cable glands only)

Rated impulse withstand voltage U_imp

2 contacts: 6 kV, 3 contacts: 1 kV

Rated insulation voltage U_i

2 contacts: 400 V, 3 contacts: 250 V

Conventional thermal current I_the

2 contacts: 6 A, 3 contacts: 2 A

Utilisation category

AC-15

Rated operating current/voltage I_e/U_e

2 contacts: 6 A/400 VAC, 3 contacts: 2 A/250 VAC

Short-circuit protection

2 contacts: 6 A gG fuse, 3 contacts: 2 A gG fuse

Ambient temperature

–25 °C … +70 °C

Mechanical life

> 100 000 operations

Indicator lamp

as option

Max. wire length

2 x 100 m

Note

At 4 m distance intermediate wire supports are required. Two compensation springs type ZS 73/75 S must be installed, see accessories.

Approvals

ß d a