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LAR180212 Rev. E
III. PRODUCT DESCRIPTION
Operation centers around the low torque, slow speed synchronous motor. The motor either turns the paddle in the
absence of the bulk material, or turns itself to actuate the micro switch when paddle rotation is stopped by the
bulk material. Constant power to the stalled motor keeps the switch actuated until the paddle is again free to turn.
TECHNICAL SPECIFICATIONS
FUNCTIONAL
Operating Power
24/120/240 VAC; 50/60 Hz, 24 VDC
Power Consumption
5 watts
Motor
1 rpm
Fail-Safe Circuitry
Low level fail safe
Switch Rating
General Purpose: SPDT 20A @ 125/250/480 VAC.
Pilot Duty: 345 VA, 115 VAC; 690 VA, 230 VAC
Operating Temp
-40º F to 113º F (-40º C to 45º C)
PHYSICAL
Drive Shaft Assembly Precision machined shaft with two shielded ball bearings
Shaft Seal
Teflon
®
/Viton
®
Lipseal rated
1
/
2
micron @ 30 psi (2.1 kg/cm
2
) @ 400º F (204º C)
Housing and Cover
Type 4X/IP66 polyester coated aluminum casting
Mounting Plate
8” outside diameter with 1
1
/
4
” NPT pipe threaded coupling; standard polyester coated mild steel;
optional 304 stainless steel
Conduit Entry
3/4” NPT or M20 x 1.5
Rigid Shaft and
Paddle
Metal parts of all designs are 304 stainless steel
Flex Shaft
Available in neoprene, 155º F (68º C) or silicone, 400º F (204º C) coatings
Shipping Weight
Aluminum housing 10 lbs (4.5 kg)
Stainless Steel housing 16 lbs (7.3 kg)
Pollution Degree
2
Installation Category
II
Altitude
6,562 ft (2000 m)
APPROVALS & RATINGS
UL (US and Canada):
Ordinary Location Type 4X; IP66
Hazardous Location, Type 4X
Explosion Proof
Dust Ignition Proof
ATEX/IEC/IECex: (Pending)
Dust and Gas Categories; IP66
CE
Electromagnetic Compatibility Directive
Low Voltage Directive
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