Page 533 - Motor_protection_and_control_Manual_motor_starters_ contactors

NF contactor relays

Technical data

General technical data
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)
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 5
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
A A B1 B2 B1 25 g closed position / 5 g open position
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 NF..E-22.
Magnet system characteristics
Contactor relay types AC / DC operated NF
Coil operating limits AC supply At θ ≤ 60 °C 0.85 x Uc min...1.1 x Uc max.
acc. to IEC 60947-5-1 At θ ≤ 70 °C 0.85 x Uc min...Uc max.
DC supply At θ ≤ 60 °C 0.85 x Uc min...1.1 x Uc max.
At θ ≤ 70 °C (AF) 0.85 x Uc min...Uc max. - (NFZ) 0.85 x Uc min...1.1 x Uc max.
AC control voltage 50/60 Hz
Rated control circuit voltage Uc 24...500 V AC
Coil consumption Average pull-in value (NF) 50 VA - (NFZ) 16 VA
Average holding value (NF) 2.2 VA / 2 W - (NFZ) 1.7 VA / 1.5 W
DC control voltage
Rated control circuit voltage Uc 12...500 V DC
Coil consumption Average pull-in value (NF) 50 W - (NFZ) 12...16 W
Average holding value (NF) 2 W - (NFZ) 1.7 W
PLC-output control (NFZ) ≥ 500 mA 24 V DC
Drop-out voltage ≤ 60 % of Uc min.
Voltage sag immunity
acc. to SEMI F47-0706 (NFZ) conditions of use on request
Dips withstand
-20 °C ≤ θ ≤ +60 °C (NFZ) 22 ms average for Uc ≥ 24 V 50/60 Hz or Uc ≥ 20 V DC
Operating time
Between coil energization and: N.O. contact closing 40...95 ms
N.C. contact opening 38...90 ms
Between coil de-energization and: N.O. contact opening 11...95 ms
N.C. contact closing 13...98 ms
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 1SBC101563S0201 - Rev. A
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
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