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| Hazardous Location & Pneumatic Switches Explosion-Proof Rotary Switch Specifications Standards Approvals No & Type of Conduit Entries Rtd. Insulation Voltage (Ui) Rtd. Impulse withstand Voltage (Uimp) Rtd Uninterrupted Current (lu) IEC/EN/VDE/UL/CSA Rtd. Operational Voltage (Ue) IEC/EN/SEV/VDE/UL/CSA Main Switch Isol. Voltage Rtd. Operational Current (le) AC-21A IEC/EN/VDE AC-1 SEV Rtd. Op.Power at 50/ 60 Hz AC-23A IEC/EN/VDE 3 phase 220-240V 3 pole 380-440V 500-690V AC-3A IEC/EN/VDE 3 phase 220-240V 3 pole 380-440V 500-690V DOL-Rating UL/CSA 3 phase 140V 3 pole 240V 480V 600V Rated Breaking Capacity AC-23/AC-3 220-240V Motor Switch 380-440V 500-690V Maximum Fuse Size (Gl) Rated fuse Short Circuit Current Terminal Cross Section Single/Multiple Wire Minimum mm2 Maximum mm2 Fine Strand Wire with Sleeve Minimum mm2 Maximum mm2 American Wire Gauge (AWG) Enclosure IP Rating Weight Electrical Operations Operating Temperature Mechanical Operations Humidity EN50014 - 018 CE marked for all applicable directives 4 x M20 (2 Plugged) 690 6kv 40A 600V 690V 40A Description The explosion proof rotary switches are used for electrical isolation of machinery to enable safe access. This switch can be mounted within the hazardous location. 7.5kw 15kw 15kw 7.5kw 11kw 11kw 3kw 7.5kw 15kw 15kw 7.5kw 15kw 15kw 50A 500A Features * * * * Conforms to EExd IIB T6 Zone 1 and 2 hazardous locations 4 N.O. or 2 N.C. + 2 N.O. Direct opening operation 1 16 1 16 6 IP66 10.5kg (23.2lbs) 100,000 -20C to +40C (-4F to 104F) 100,000 25% - 95% 16-4 Hazardous Location & Pneumatic Switches Explosion-Proof Rotary Switch Product Selection Type Current Contacts 4 N.O. 24 A 2 N.O. & 2 N.C. 440T -MERSE12 Catalogue Number 440T -MERSE10 Substitute the desired primary code for this symbol (key not included). See page 5-7 for code selection. Accessories Description Key Code Barrel Dust Cap Page Number 5-33 5-33 5-33 Catalogue Number 440T-AKEYE10 440T -ASCBE11 440T-ASFC10 Substitute the desired primary code for this symbol (key not included). See page 5-7 for code selection. Substitute the desired code for this symbol. See page 5-7 for code selection. Approximate Dimensions--mm (inches) 195 (7.7) 145 (5.7) 130 (5.1) ctrs 156 (6.1) 178 (7.0) Cable Entry 2 x 20mm (0.78) Conduit Typical Wiring Diagrams Diagrams shown are key free 1 3 5 7 440T -MERSE10 2 4 6 8 1 3 5 7 440T -MERSE10 2 4 6 8 16-5 |
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