Ex EM 97 TK-11 -60°C
Ex position switch
Description
- Ex zone 1 and 21
- Thermoplastic enclosure
- Cold-resistant down to -60 °C
- High degree of protection IP66 / IP67 / IP69
- Design to EN 50047
- Wiring compartment
- Double insulated X
- Actuator: Spring rod with plastic tip TK
Notes
- 1 Ex”e” cable gland M20x1.5 included in delivery
Technical data
Applied standards
EN 60947-5-1, EN IEC 60079-0, EN 60079-1, EN IEC 60079-7, EN 60079-31
Enclosure
thermoplastic, glass-fibre reinforced, shockproof, self-extinguishing UL 94 V-0
Cover
thermoset, glass-fibre reinforced, shockproof, self-extinguishing UL 94 V-0
Sealing
silicone
Tightening torque
cover screws: 0.4 … 0.45 Nm
Degree of protection
IP66 to EN 60079-0 + IEC/EN 60529 (… -60 °C)
IP67 to EN 60079-0 + IEC/EN 60529 (… -20 °C)
IP67 / IP69 to IEC/EN 60529
IP69K to ISO 20653
Contact material
Silver, nickel-plated
Switching system
snap action
Switching elements
1 NC/1 NO contact, type Zb
Connection
screw connection terminals
Cable cross-section
min. 0.75 mm² (AWG 18), max. 1.5 mm² (AWG 16), incl. conductor ferrules
Cable entry
M20 x 1.5; screwing depth max. 9 mm; use only Ex approved and certified cable glands with min. degree of protection IP66 and suitable for the specified ambient temperature range
Clamping range
7 … 12 mm
Utilisation category
AC-15
Rated operating current Ie
max. 2 A or 4 A X
Rated operating voltage Ue
max. 500 VAC, max. 250 VAC for unequal potential
Degree of pollution
3
Mechanical life
> 1 million operations
Impact energy
max. 7 J
Temperature class
T6
Ambient temperature
–60 °C … +55 °C max. 4 A, +60 °C max. 2 A
Short-circuit protection
2 A / 4 A gG/gN fuse
Ex marking
L II 2G Ex db eb IIC T6 Gb,
L II 2D Ex tb IIIC T80 °C Db
IECEx Ex db eb IIC T6 Gb,
Ex tb IIIC T80 °C Db
Approvals
BVS 16 ATEX E 052
IECEx BVS 16.0052
Weight
126 g