NS44ES-25

Name: NS44ES-25
Brand: ABB
SKU: NS44ES-25

Product ModelNS44ES-25

Material Number1SBH101004R2544

Product ID69864

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

1
Feature1. High Reliability \"The ABB NS44ES-25 is built with high-quality components, ensuring reliable operation in demanding industrial environments.\"\",\"2. Efficient Operation \"With its advanced design, the NS44ES-25 operates efficiently, reducing energy consumption and enhancing overall system performance.\"\",\"3. Durable Construction \"Made from robust materials, the contactor relay is designed to withstand harsh conditions, extending its lifespan and reducing maintenance needs.\"\",\"4. Versatile Applications \"Suitable for a wide range of industrial applications, including HVAC systems, pumps, and motors, the NS44ES-25 is a versatile solution.\"\",\"5. Easy Installation \"The ABB NS44ES-25 features a user-friendly design, making it easy to install and integrate into existing control systems, minimizing downtime and setup costs.\"

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Specifications may be subject to change without notice

Parameter

Value

Parameter

Value

Product Net Width

45 mm

Product Net Depth / Length

110.7 mm

Product Net Height

68 mm

Product Net Weight

0.26 kg

Number of Auxiliary Contacts NO

Number of Auxiliary Contacts NC

IEC 60947-5-1 and EN 60947-5-1, UL 508, CSA C22.2 NÂ°14

Rated Operational Voltage

Auxiliary Circuit 690 V Main Circuit 690 V

Rated Frequency (f)

Auxiliary Circuit 50 / 60 Hz

Conventional Free-air Thermal Current (Ith)

acc. to IEC 60947-5-1, Î = 40 Â°C 10 A

Rated Operational Current AC-15 (Ie)

(500 V) NC 2 (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

Rated Insulation Voltage (Ui)

acc. to IEC 60947-5-1 and VDE 0110 (Gr. C) 690 V acc. to UL/CSA 600 V

Rated Impulse Withstand Voltage (Uimp)

Auxiliary Circuit 6 kV

Maximum Mechanical Switching Frequency

3600 cycles per hour

Rated Control Circuit Voltage (Uc)

50 Hz 220 V 60 Hz 220 V

Operate Time

Between Coil De-energization and NC Contact Closing 7 ... 22 ms Between Coil De-energization and NO Contact Opening 5 ... 19 ms Between Coil Energization and NC Contact Opening 6 ... 18 ms Between Coil Energization and NO Contact Closing 9 ... 24 ms

Connecting Capacity Auxiliary Circuit

Flexible with Ferrule 1/2x 0.75 ... 2.5 mmÂ² Flexible with Insulated Ferrule 1/2x 0.75 ... 1.5 mmÂ² Rigid 1/2x 0.75 ... 2.5 mmÂ²

Connecting Capacity Control Circuit

Flexible with Ferrule 1/2x 0.75 ... 2.5 mmÂ² Flexible with Insulated Ferrule 1/2x 0.75 ... 1.5 mmÂ² Rigid 1/2x 0.75 ... 2.5 mmÂ²

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

Spring Terminals

Ambient Air Temperature

Close to Contactor for Storage -60 ... +80 Â°C Near Contactor for Operation in Free Air -40 ... 70 Â°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: C1 19 g Closed, Shock Direction: C2 16 g Open, Shock Direction: C1 8 g Open, Shock Direction: C2 13 g Shock Direction: A 20 g Shock Direction: B1 5 g Shock Direction: B2 15 g

Resistance to Vibrations

3g Closed Position & 2g Open Position 5 ... 300 Hz

Object Classification Code

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)

4761 >> Magnet contactor, AC-switching

Manufacturer ID

1SBH101004R2544