NFC51/11-51
Product ID:88137
Updated: 2026/4/3
Key Features
- 1Achieve high switching capacity up to 45 kW for AC control. 2、Expand functionality with versatile thermal and electronic accessories. 3、Simplify installation using compatible coil terminal access options. 4、Reduce inventory complexity via the common AF platform footprint. 5、Ensure global compliance and support with major international standards.
Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Product Net Width | 45 mm | Product Net Depth / Length | 110.5 mm |
| Product Net Height | 86 mm | Product Net Weight | 0.358 kg |
| Number of Main Contacts NO | 0 | Number of Main Contacts NC | 0 |
| Number of Auxiliary Contacts NO | 6 | Number of Auxiliary Contacts NC | 2 |
| Standards | IEC/EN 60947-1, IEC/EN 60947-5-1, UL 60947-1, UL 60947-5-1, CSA C22.2 No. 60947-1-13, CSA C22.2 No. 60947-5-1-14 | Rated Operational Voltage | Auxiliary Circuit 690 V |
| Rated Frequency (f) | Auxiliary Circuit 50 / 60 Hz Main Circuit 50 / 60 Hz | Conventional Free-air Thermal Current (Ith) | acc. to IEC 60947-5-1, Π= 40 °C 16 A |
| Rated Operational Current AC-15 (Ie) | (500 V) 2 A (690 V) 2 A (24 / 127 V) 6 A (220 / 240 V) 4 A (400 / 440 V) 3 A | Rated Short-time Withstand Current Low Voltage (Icw) | for 0.1 s 140 A for 1 s 100 A |
| Maximum Electrical Switching Frequency | (AC-15) 1200 cycles per hour (DC-13) 900 cycles per hour | Rated Operational Current DC-13 (Ie) | (24 V) 6 A / 144 W (48 V) 2.8 A / 134 W (72 V) 1 A / 72 W (110 V) 0.55 A / 60 W (125 V) 0.55 A / 69 W (220 V) 0.27 A / 60 W (250 V) 0.27 A / 68 W (400 V) 0.15 A / 60 W (500 V) 0.13 A / 65 W (600 V) 0.1 A / 60 W |
| Rated Insulation Voltage (Ui) | acc. to IEC 60947-4-1 and VDE 0110 (Gr. C) 690 V acc. to UL/CSA 600 V | Maximum Mechanical Switching Frequency | 6000 cycles per hour |
| Rated Control Circuit Voltage (Uc) | 50 Hz 400 ... 415 V 60 Hz 480 V | Coil Consumption | 2.3 W |
| Operate Time | Between Coil De-energization and NC Contact Closing 9 ... 20 ms Between Coil De-energization and NO Contact Opening 4 ... 18 ms Between Coil Energization and NC Contact Opening 7 ... 21 ms Between Coil Energization and NO Contact Closing 10 ... 26 ms | Mounting on DIN Rail | TH35-15 (35 x 15 mm Mounting Rail) acc. to IEC 60715 TH35-7.5 (35 x 7.5 mm Mounting Rail) acc. to IEC 60715 |
| Mounting by Screws (not supplied) | 2 x M4 screws placed diagonally | 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 Rigid 1/2x 1 ... 2.5 mm² |
| Connecting Capacity Control 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 Rigid 1/2x 1 ... 2.5 mm² | Wire Stripping Length | Auxiliary Circuit 10 mm Control Circuit 10 mm |
| Degree of Protection | acc. to IEC 60529, IEC 60947-1, EN 60529 Auxiliary Terminals IP20 acc. to IEC 60529, IEC 60947-1, EN 60529 Coil Terminals IP20 | Terminal Type | Screw Terminals |
| Tightening Torque UL/CSA | Auxiliary Circuit 11 in·lb Control Circuit 11 in·lb | Ambient Air Temperature | Close to Contactor for Storage -60 ... +80 °C Near Contactor for Operation in Free Air -40 ... 70 °C Near Contactor for Operation in Free Air (0.85 ... 1.1 Uc) -40 ... +60 °C Near Contactor for Operation in Free Air (Uc) -40 ... 70 °C |
| Climatic Withstand | Category B according to IEC 60947-1 Annex Q | Maximum Operating Altitude Permissible | Without Derating 3000 m |
| Resistance to Shock acc. to IEC 60068-2-27 | Closed, Shock Direction: B1 25 g Open, Shock Direction: B1 5 g Shock Direction: A 30 g Shock Direction: B2 15 g Shock Direction: C1 25 g | Resistance to Vibrations | 4g Closed Position & 2g Open position 5 ... 300 Hz |
| Object Classification Code | K | ETIM 7 | EC000196 - Contactor relay |
| ETIM 8 | EC000196 - Contactor relay | ETIM 9 | EC000196 - Contactor relay |
| eClass | V11.0 : 27371001 | UNSPSC | 39121500 |
| IDEA Granular Category Code (IGCC) | 4755 >> Contactors | Manufacturer ID | 1SBH131001R5159 |
Specifications may be subject to change without notice