ABB
TF42-20
$66.95
Thermal Overload Relay, 3-Pole, 1 NC & 1 NO Auxiliary Contact, 16 – 20 A Setting Range, 10 Trip Class, IP20, For Contactors AF09, AF12, AF16, AF26, AF30 & AF38
Connecting Capacity Main Circuit
Flexible with Ferrule 1/2x 0.75 ... 4 mm²
Flexible with Insulated Ferrule 1/2x 0.75 ... 4 mm²
Flexible 1/2x 0.75 ... 4 mm²
Rigid 1/2x 0.75 ... 4 mm²
Connecting Capacity Auxiliary Circuit
Flexible with Ferrule 1/2x 0.75 ... 2.5 mm²
Flexible with Insulated Ferrule 1x 0.75 ... 2.5 mm²
Flexible with Insulated Ferrule 2x 0.75 ... 1.5 mm²
Flexible 1/2x 0.75 ... 1 mm²
Flexible 1/2x 1 ... 2.5 mm²
Rigid 1/2x 0.75 ... 4 mm²
Setting Range
16 - 20 A
Rated Operational Voltage
Auxiliary Circuit 600 V AC/DC, Main Circuit 690 V AC
Rated Operational Current DC-13 (Ie)
(125 V) NC 0.55 A, (125 V) NO 0.55 A
Rated Operational Current AC-3 (Ie)
20 A
Rated Operational Current AC-15 (Ie)
(120 V) NC 3 A, (120 V) NO 0.75 A
Rated Operational Current (Ie)
20 A
Rated Insulation Voltage (Ui)
690 V
Rated Impulse Withstand Voltage (Uimp)
Auxiliary Circuit 6 kV, Main Circuit 6 kV
Rated Frequency (F)
Auxiliary Circuit 50 Hz
Auxiliary Circuit 60 Hz
Auxiliary Circuit DC
Main Circuit 50 Hz
Main Circuit 60 Hz
Power Loss
At Rated Operating Conditions per Pole 1.8 ... 2.6 W
Net Weight
0.145 kg
Minimum Order Quantity
1 piece
For Contactors
AF09, AF12, AF16, AF26, AF30 & AF38
Degree of Protection
IP20
Conventional Free-Air Thermal Current (Ith)
Auxiliary Circuit NC 6 A, Auxiliary Circuit NO 4 A
No Datasheet Available