Position switch with safety function

EM 97 WHKM 11

Article no.: 1445279

Standard version

Product features

Thermoplastic enclosure
Design to EN 50047
Horizontally slotted mounting holes
Cover fixed without screws
Actuator: Offset metal roller lever with collar WHKM
Watertight collar for protection against penetration of dirt
Wear-resistant plastic roller
Actuator can be repositioned by 4 x 90°
Actuation only possible from right-hand side, free movement of actuator from left-hand side

Technical data

General technical data

Applied standards: EN 60947-5-1, EN ISO 13849-1, EN ISO 14119

Enclosure: thermoplastic, glass-fibre reinforced, shockproof, self-extinguishing UL 94 V-0, weathering resistant, UV stabilised

Switch type: type 1

Coding level: no coding

Degree of protection: IP66/IP67 (IEC/EN 60529)

B_10d (10 % load): 20 million

T_M: max. 20 years

Switching system: snap action

Switching elements: 1 NC/1 NO contact, type Zb

Connection: screw connection terminals

Cable cross-section: 0.34 ... 2.5 mm² (incl. conductor ferrules)

Cable entry: 1 x M20 x 1.5 (for cable glands only)

Rated impulse withstand voltage U_imp: 6 kV

Rated insulation voltage U_i: 500 V

Conventional thermal current I_the: 10 A

Utilisation category: AC-15; DC-13

Rated operating current/voltage I_e/U_e: AC: 24 V-10 A/120 V-6 A/400 V-4 A
DC: 24 V-6A/125 V-0.55 A/250 V-0.4 A
Minimum electrical load: 5 V/10 mA

Short-circuit protection: 10 A gG/gL fuse

Safety class: II

Conditional short-circuit current: 1000 A

Operation cycles: max. 1800/h

Mechanical life: 10 million operations

Actuating speed: max. 0.5 m/s with a vertical actuating angle of 40°

Ambient temperature: –30 °C … +70 °C

Approvals: da

Enclosure material resistant to:
oil and petrol, alcohol, animal fats and oils, vegetable fats and oils, silicone oils, surfactants, detergents, water vapour, salt water, organic acids (citric acid, benzoic acid)

Enclosure material not resistant to:
mineral acids (concentrated hydrochloric acid, battery acid, sulphuric acid, nitric acid)