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Technical Documents
Technical Documents
Product Details
Product Details
CC64.3 RELAY
Thermal Unit, Type S, Type CC, melting alloy, Class 20
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. The proper thermal unit is selected using the motor full load current and a selection table. 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.
Thermal Unit, Type S, Type CC, melting alloy, Class 20
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. The proper thermal unit is selected using the motor full load current and a selection table. 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.
Technical Specifications
Technical Specifications
NEMA Eutectic Alloy Overload Relays | |
| Product Name | THERMAL UNIT |
|---|---|
| Motor Fla | 51.4 TO 54.6 AMPERE (1 THERMAL UNIT) |
| Trip Type | CLASS 20, STANDARD |
| Pkg Length | 4.8 |
| Pkg UOM | EA |
| Pkg Width | 3.4 |
| Pkg Type | PK |
| Used On | AC MAGNETIC STARTER |
| Pkg Qty | 1 |
| Mfr UNSPSC | 39121500 |
| Pkg Weight UOM | LB |
| Mfr Fullname | SQUARE D/TELEMECANIQUE |
| Pkg Height | 2.4 |
| Pkg Weight | .08 |
|---|---|
| Mfrcode | SQD |
| Mounting | PLUG IN |
| Catalog Number | CC64.3 |
| Eu Rohs Directive | Not applicable, out of EU RoHS legal scope |
| Take-Back | No |
| Motor Tripping Class | 20 |
| Packaging Without Single Use Plastic | No |
| Packaging Made With Recycled Cardboard | No |
| China Rohs Regulation | Product out of China RoHS scope. Substance declaration for your information |
| Range Of Product | CC |
| Country of Origin | Mexico |
| Thermal Overload Type | melting alloy |