Product Model
NFZB44ERT-23
Selling Points
- 1Compact design with reduced dimensions, requiring 15% less width without spacing.
- 2Meets all main rolling stock standards: IEC 60947-5-1, IEC 60077-1/-2, and EN 50155.
- 3Compliant with European standard EN 45545-2 for fire and smoke behavior.
- 4Electronic coil interface accepting a wide DC control voltage range, including 220 V DC.
- 5Mechanically-linked auxiliary contacts compliant with Annex L of IEC 60947-5-1.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
Product Net Width | 45 mm | Product Net Depth / Length | 86 mm |
Product Net Height | 86 mm | Product Net Weight | 0.37 kg |
Number of Auxiliary Contacts NO | 4 | Number of Auxiliary Contacts NC | 4 |
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 |
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 100 ... 250 V 60 Hz 100 ... 250 V DC Operation 100 ... 250 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 | 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 | Ring-Tongue 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 | Climatic Withstand | Category B according to IEC 60947-1 Annex Q |
Maximum Operating Altitude Permissible | Without Derating 3000 m | Object Classification Code | K |
ETIM 7 | EC000196 - Contactor relay | ETIM 8 | EC000196 - Contactor relay |
ETIM 9 | EC000196 - Contactor relay | eClass | V11.0 : 27371001 |
UNSPSC | 39121529 | IDEA Granular Category Code (IGCC) | 4763 >> Power contactor, DC switching |
Manufacturer ID | 1SBH136060R2344 |
Specifications may be subject to change without notice