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18-27
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TeSys™ U Enclosed Combination Starters Motor Starters and Protectors
Refer to Catalog MKTED210011EN
2.1 Choose the thermal overload protection type
Table 18.101: Thermal Overload Protection Types
Advanced Control Unit Multifunction Control Unit
No Control Unit
(Ordered later on independently)
Single Phase
3-Phase
Thermal Overload Protection Type Code
A ▲ B ▲ C ▲ D ▲ N1 N3
Protection Type
Single phase, Class 10
■
3-phase, Class 10
■
3-phase, Class 20
■
3-phase, Selectable Class 5–30
■
Protection Functions
Short circuit ■ ■ ■ ■
Over current ■ ■ ■ ■
Thermal overload ■ ■ ■ ■
Phase loss ■ ■ ■
Phase imbalance ■ ■ ■
Ground fault ■ ■ ■ ■
Underload, long start, jam
♦ ♦ ♦ ■
Control Functions
Automatic or local/remote reset ♦ ♦ ♦ ■
Fault differentiation ♦ ♦ ♦ ■
Thermal alarm ♦ ♦ ♦ ■
Motor load display
♦ ♦ ♦ ■
Fault history
■
Alarm threshold adjustment
■
Tripping test
■ ■ ■ ■
▲ Complete the Thermal Overload Relay Selection by adding the full load amperage code after the thermal overload protection type code.
■ Built-in Control Unit.
♦ Available when combined with appropriate Function module.
2.2 Choose the Motor Full Load Amperage
Table 18.102: Full Load Amperage Code
Full Load Amperage Setting Range (A) Full Load Amperage Code
0.15–0.6 A
0.3–1.4 B
1.25–5.0 C
3–12 D
4.5–18 E
8–32 F
18
CONTACTORS AND STARTERS-IEC
9/13/2019