Page 352 - ABB_Motor _Protection_and_Control_catalogue_20221216

3/276 ABB MOTOR PROTECTION AND CONTROL

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NF contactor relays
Technical data

General technical data
03
Contactor relay types AC / DC operated NF
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 millions operating cycles
Max. switching frequency 6000 cycles/h
Shock withstand
acc. to IEC 60068-2-27 and EN 60068-2-27
Mounting position 1
C1 Shock direction 1/2 sinusoidal shock for 11 ms: no change in contact position, closed or open position
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) Environment B: all NF contactor relays produced since week 08-2013.
NF..E-12 (48...130 V 50/60 Hz-DC) compliant to environment A only: for environment B, select NFZ..E-22.
Mounting characteristics
Contactor relay types AC / DC operated NF
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
Main terminals

Screw terminals with cable clamp
Connection capacity (min. ... max.)
Pole and coil terminals
Rigid Solid/Stranded 1 x 1...2.5 mm²
2 x 1...2.5 mm²
Flexible with non insulated ferrule 1 x 0.75...2.5 mm²
2 x 0.75...2.5 mm²
Flexible with insulated ferrule 1 x 0.75...2.5 mm²
2 x 0.75...1.5 mm²
L Lugs L < 8 mm
6
Connection capacity acc. to UL/CSA 1 or 2 x AWG 18...14
Stripping length 10 mm
Tightening torque
Pole terminals 1.2 Nm / 11 lb.in
Coil terminals 1.2 Nm / 11 lb.in
Degree of protection
acc. to IEC 60947-1 / EN 60947-1 and IEC 60529 / EN 60529
All terminals IP20
Screw terminals Delivered in open position, screws of unused terminals must be tightened
All terminals M3.5
Screwdriver type Flat Ø 5.5 / Pozidriv 2