440T-MERSE10 Datasheet, PDF (1/2 Pages) Allen-Bradley – Explosion-Proof

Hazardous Location & Pneumatic Switches
Explosion-Proof
Rotary Switch
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.
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
Specifications
Standards
EN50014 – 018
Approvals
CE marked for all applicable
directives
No & Type of Conduit Entries 4 x M20 (2 Plugged)
Rtd. Insulation Voltage (Ui)
690
Rtd. Impulse withstand Voltage 6kv
(Uimp)
Rtd Uninterrupted Current (lu)
IEC/EN/VDE/UL/CSA
40A
Rtd. Operational Voltage (Ue)
IEC/EN/SEV/VDE/UL/CSA
600V
Main Switch Isol. Voltage
690V
Rtd. Operational Current (le)
AC-21A IEC/EN/VDE
40A
AC-1 SEV
Rtd. Op.Power at 50/ 60 Hz
AC-23A IEC/EN/VDE
3 phase 220-240V 7.5kw
3 pole 380-440V 15kw
500-690V 15kw
AC-3A IEC/EN/VDE
3 phase 220-240V 7.5kw
3 pole 380-440V 11kw
500-690V 11kw
DOL-Rating UL/CSA
3 phase 140V 3kw
3 pole 240V 7.5kw
480V 15kw
600V 15kw
Rated Breaking Capacity
AC-23/AC-3 220-240V 7.5kw
Motor Switch 380-440V 15kw
500-690V 15kw
Maximum Fuse Size (Gl) 50A
Rated fuse Short Circuit Current 500A
Terminal Cross Section
Single/Multiple Wire
Minimum mm² 1
Maximum mm² 16
Fine Strand Wire with Sleeve
Minimum mm² 1
Maximum mm² 16
American Wire Gauge (AWG) 6
Enclosure IP Rating
IP66
Weight
10.5kg (23.2lbs)
Electrical Operations
100,000
Operating Temperature
-20°C to +40°C (-4°F to 104°F)
Mechanical Operations
100,000
Humidity
25% – 95%
16-4