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Description

Active Mature
Thermal units are intended to protect motors, controllers, and branch-circuit conductors against excessive heating due to prolonged motor over-currents up to and including locked rotor currents. Protection of the motor and the other branch circuit components from higher currents, due to short circuits or grounds, is a function of the branch circuit fuses or circuit breakers. Class 20 thermal units respond to overload current conditions according to trip curves. These thermal units will trip in 20 seconds or less on overload conditions. These thermal units have a one piece construction. The motor current passes through a small heater winding within these thermal units. Under overload conditions, the heat causes a special solder to melt allowing a ratchet wheel to spin free thus opening the control circuit contacts and opening the motor contacts.
Country of Origin
MX
Part Number
A2.81
Tariff Code
8538904000
EAN
39122330
UPC
785901585299
UNSPSC
39122330
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Specifications

Thermal Overload Type
melting alloy
Range Of Product
A
Motor Tripping Class
20

Offer Sustainability

China Rohs Regulation
Product out of China RoHS scope. Substance declaration for your information.
Eu Rohs Directive
Not applicable, out of EU RoHS legal scope
California Proposition 65
WARNING: This product can expose you to chemicals including: Lead and lead compounds, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov

Contractual warranty

Warranty
18 months

Documents

Data Sheet

Download

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