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3/282 ABB MOTOR PROTECTION AND CONTROL

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NF..K contactor relays - with Push-in Spring terminals
Technical data

General technical data
Contactor relay types AC / DC operated NF..K
03
Rated insulation voltage Ui
acc. to IEC 60947-5-1 690 V
acc. to UL / CSA 600 V
Rated impulse withstand voltage Uimp. 6 kV
Electromagnetic compatibility Devices complying with IEC 60947-1 / EN 60947-1 - Environment A and B (1)
Pollution degree 3
Ambient air temperature close to contactor relay
Operation in free air -40 ... +70 °C
Storage -60 ... +80 °C
Climatic withstand Category B according to IEC 60947-1 Annex Q
Maximum operating altitude (without derating) 3000 m
Mechanical durability
Number of operating cycles 20 million operating cycles
Maximum switching frequency 6000 cycles/h
Shock withstand
acc. to IEC 60068-2-27 and EN 60068-2-27
Mounting position 1 Shock direction 1/2 sinusoidal shock for 11 ms: no change in contact position, closed or open position
C1 A 30 g
B1 25 g closed position / 5 g open position
A A B1 B2 B2 15 g
C1 25 g
C2 C2 25 g
Vibration withstand 5 ... 300 Hz
acc. to IEC 60068-2-6 4 g closed position / 2 g open position
(1) NF..-12 (48...130 V 50/60 Hz-DC) compliant to environment A only. For environment B: select NFZ..-22.

Mounting characteristics
Contactor relay types AC / DC operated NF..K
Mounting positions Pos. 2 +30° -30°

Pos. 4
Pos. 3
Pos. 1 Pos. 1 ± 30° Pos. 5
Max. add-on N.C. auxiliary contacts: see accessory fitting details for a NF contactor relay
Mounting distances The contactor relays can be assembled side by side
Fixing
On rail according to IEC 60715, EN 60715 35 x 7.5 mm or 35 x 15 mm
By screws (not supplied) 2 x M4 screws placed diagonally

Connecting characteristics
Contactor relay types AC / DC operated NF..K
Main terminals

Push-in Spring terminals
Connection capacity (min. ... max.)
Pole and coil terminals
Rigid Solid 1 x 1 ... 2.5 mm²
2 x 1 ... 2.5 mm²
Flexible with non insulated 1 x 1 (push-in) / 0.5 (spring) ... 2.5 mm²
ferrule 2 x 1 (push-in) / 0.5 (spring) ... 2.5 mm²
Flexible with insulated ferrule 1 x 1 (push-in) / 0.5 (spring) ... 1.5 mm²
2 x 1 (push-in) / 0.5 (spring) ... 1.5 mm²
Flexible without ferrule 1 x (spring) 0.5 ... 2.5 mm²
2 x (spring) 0.5 ... 2.5 mm²
Connection capacity acc. to UL/CSA 1 or 2 x AWG 18 ... 14
Stripping length 10 mm
Degree of protection
acc. to IEC 60947-1 / EN 60947-1
and IEC 60529 / EN 60529 IP20
Screwdriver type All terminals Flat Ø 3 mm x 0.5 mm