Product Model
NFZB40EK-21
Selling Points
- 1Designed to withstand shocks and vibrations in compliance with IEC 61373 category 1, class B.
- 2Eliminates surges and surge suppressors, ensuring reliable operation.
- 3Meets all main rolling stock standards and directives, including IEC 60947-4-1 and EN 50155.
- 4Reduces installation size and minimizes train energy needs, with weight reduced by up to 45% and depth reduced by up to 20%.
- 5Suitable for various DC control voltages (20…60 V DC, 24, 33, or 48 V DC, etc.), ensuring flexibility in battery supply applications.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
Product Net Width | 45 mm | Product Net Depth / Length | 77 mm |
Product Net Height | 92.3 mm | Product Net Weight | 0.315 kg |
Number of Auxiliary Contacts NO | 4 | Number of Auxiliary Contacts NC | 0 |
Standards | IEC/EN 60947-1, IEC/EN 60947-5-1, UL 60947-5-1, CSA C22.2 No. 60947-5-1, IEC 60077-1 (applicable parts), IEC 60077-2 (applicable parts), EN 50155 (applicable parts), TR CU 001/2011, IEC 61373, For compliance confirmation on applicable parts based on your application and combination, please consult your ABB sales representatives. | Rated Operational Voltage | Auxiliary Circuit 690 V Main Circuit 690 V |
Rated Frequency (f) | Auxiliary Circuit 50 / 60 Hz Control 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 60947-5-1 690 V acc. to UL/CSA 600 V | Rated Impulse Withstand Voltage (Uimp) | 6 kV |
Maximum Mechanical Switching Frequency | 6000 cycles per hour | Rated Control Circuit Voltage (Uc) | 50 Hz 24 ... 60 V 60 Hz 24 ... 60 V DC Operation 20 ... 60 V |
Operate Time | Between Coil De-energization and NC Contact Closing 13 ... 98 ms Between Coil De-energization and NO Contact Opening 11 ... 95 ms Between Coil Energization and NC Contact Opening 38 ... 90 ms Between Coil Energization and NO Contact Closing 40 ... 95 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 0.5 ... 2.5 mm² Flexible with Insulated Ferrule 1/2x 0.5 ... 1.5 mm² Flexible 1/2x 0.5 ... 2.5 mm² Rigid Solid 1/2x 1 ... 2.5 mm² |
Connecting Capacity Control Circuit | Flexible with Ferrule 1/2x 0.5 ... 2.5 mm² Flexible with Insulated Ferrule 1/2x 0.5 ... 1.5 mm² Flexible 1/2x 0.5 ... 2.5 mm² Rigid Solid 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 | Push-in Spring Terminals |
Connecting Capacity Auxiliary Circuit UL/CSA | Rigid Solid 1/2x 18-14 AWG | Connecting Capacity Control Circuit UL/CSA | Rigid Solid 1/2x 18-14 AWG |
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 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 |
Manufacturer ID | 1SBH136063R2140 |
Specifications may be subject to change without notice