Page 153 - contactors_motor_protection_for_rolling_stock_application

NF(Z)B 4 and 8-pole contactor relays

Technical data

General technical data
Contactor relay types NF(Z)B
Rated insulation voltage Ui
acc. to IEC 60947-5-1 690 V
acc. to UL / CSA 600 V 2
Rated impulse withstand voltage Uimp. 6 kV
Electromagnetic compatibility Devices complying with IEC 60947-1 / EN 60947-1 - Environment A
EN 50121-3-2
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
Maximum switching frequency 6000 cycles/h
Shock and vibration withstand
acc. to IEC 61373 Category 1, class B

Magnet system characteristics
Contactor types NF(Z)B
Coil operating limits DC supply At θ ≤ 70 °C 0.85 x Uc min...1.1 x Uc max.
acc. to IEC 60947-5-1
AC supply at θ ≤ 60 °C 0.85 x Uc min ... 1.1 x Uc max
at θ ≤ 70 °C 0.85 x Uc min ... Uc max
DC control voltage
Rated control circuit voltage Uc 20 ... 250 V DC
Coil consumption Average pull-in value (NFZ) 12 ... 16 W
Average holding value (NFZ) 1.7 W
PLC-output control (NFZ) ≥ 500 mA 24 V DC
AC control voltage 50/60 Hz
Rated control circuit voltage Uc (NF..ZB) 24 ... 250 V AC - (AF..B) 250 ... 500 V AC
Coil consumption Average pull-in value (NF..ZB) 16 VA - (AF..B) 50 VA
Average holding value (NF..ZB) 1.7 VA / 1.5 W - (AF..B) 2.2 VA / 2 W
Max. permitted control voltage Rated control circuit voltage / Max. permitted control voltage
during voltage fluctuation defined 24 ... 60 V AC 50/60 Hz / 75 V AC 50/60 Hz
acc. to IEC 60077 / EN 50155 48 ... 130 V AC 50/60 Hz / 150 V AC 50/60 Hz
100 ... 250 V AC 50/60 Hz / 275 V AC 50/60 Hz
250 ... 500 V AC 50/60 Hz / 550 V AC 50/60 Hz
Drop-out voltage ≤ 60 % of Uc min.
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 types NF(Z)B
Mounting positions Pos. 2 -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(Z)B 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
1SBC100127S0201 1SBC100127S0201

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