Product Model
NF44EK-12
Selling Points
- 1Fast Wiring Installation: One push is all you need for extremely fast wiring with Push-in Spring terminals.
- 2Wide Control Voltage Range: Operates with a wide control voltage range of 48-130 V 50/60 Hz and DC.
- 3Built-in Surge Protection: Compact solution with built-in surge protection for reliable operations.
- 4Mechanically-Linked Auxiliary Contacts: Includes mechanically-linked auxiliary contacts compliant with Annex L of IEC 60947-5-1.
- 5Compact Design with Accessories: Block type design can be easily extended with add-on auxiliary contact blocks and various accessories.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
Product Net Width | 45 mm | Product Net Depth / Length | 110.5 mm |
Product Net Height | 92.3 mm | Product Net Weight | 0.33 kg |
Number of Auxiliary Contacts NO | 4 | Number of Auxiliary Contacts NC | 4 |
Standards | IEC/EN 60947-1, IEC/EN 60947-5-1, UL 508, CSA C22.2 No. 14-13 | Rated Operational Voltage | Auxiliary Circuit 690 V Main Circuit 690 V |
Rated Frequency (f) | Auxiliary Circuit 50 / 60 Hz Control 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 48 ... 130 V 60 Hz 48 ... 130 V DC Operation 48 ... 130 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 | 39121529 |
IDEA Granular Category Code (IGCC) | 4763 >> Power contactor, DC switching | E-Number (Finland) | 3707959 |
Manufacturer ID | 1SBH137005R1244 |
Specifications may be subject to change without notice