Product features
Ex zone 1 and 21
Pull-wire unit made of stainless steel 1.4404, hard-coated housing, cover made of stainless steel 1.4404, screws A2
Cold-resistant down to -40 °C
High degree of protection IP66 / IP67
Watertight collar W for protection against penetration of dirt
2 contacts
Tractive force 120 N (counterweight of min. 12 kg to pretension anti-two-block switch)
For limiting the hoist height
Technical data
General technical data
- Applied standards
- EN 60947-5-1, EN IEC 60079-0, EN 60079-1, EN 60079-31
- Enclosure
- aluminium die-cast, hard-coated, powder-coated, anthracite grey, similar to RAL 7016
- Cover
- stainless steel 1.4404, powder-coated, signal yellow, similar to RAL 1003
- Degree of protection
- for hazardous areas: IP65 (EN IEC 60079-0 + IEC/EN 60529)
for non-hazardous areas: IP66/67 (IEC/EN 60529)
- B10d (10 % load)
- 2 million
- TM
- max. 20 years
- Contact material
- silver, gold-plated
- Switching elements
- 1 NC/1 NO contact or 2 NC contacts, type Zb
- Switching system
- slow action
- Connection
- cable BETAflam 145 flex
- Cable cross-section
- 4 x 0.75 mm² (incl. conductor ferrules)
- Cable length
- 5 m
- Rated impulse withstand voltage Uimp
- 4 kV
- Rated insulation voltage Ui
- 250 V
- Conventional thermal current Ithe
- T6: 6 A, T5: 3 A
- Utilisation category
- AC-15; DC-13
- Rated operating current/voltage Ie/Ue
- 6 A/250 VAC; 0.25 A/230 VDC
- Short-circuit protection
- 6 A gG/gN fuse
- Ambient temperature
- T6: –40 °C ... +65 °C,
T5: –40 °C ... +75 °C, +90 °C with max. 3 A
- Mechanical life
- > 1 million operations
- Impact energy
- max. 7 J
- Ex marking
- L II 2G Ex d IIC T6/T5 Gb,
L II 2D Ex tb IIIC T80 °C/T95 °C Db
IECEx Ex d IIC T6/T5 Gb,
Ex tb IIIC T80 °C/T95 °C Db
- Approvals
- PTB 11 ATEX 1003 X
IECEx PTB 07.0034 X
- Weight
- 1374 g
Dimensional drawing
Further drawings
Switching diagram
Contact diagram
Contact symbols are shown in a pretensioned condition caused by the counterweight.
