NSL40ES-81

Name: NSL40ES-81
Brand: ABB
SKU: NSL40ES-81

The ABB NSL40ES-81 is a 24VDC control relay featuring 4 normally open (NO) contacts. It is designed for industrial applications, offering high switching frequency and robust construction. This durable contactor relay is perfect for enhancing your automation systems.

Product ModelNSL40ES-81

Material Number1SBH103004R8140

Product ID69978

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. High Switching FrequencyThe ABB NSL40ES-81 supports high electrical switching frequencies, making it suitable for demanding industrial applications.
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2. Robust DesignBuilt with a robust design, this control relay ensures reliable operation under various conditions, providing long-lasting performance.
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3. 4NO ContactsEquipped with 4 normally open (NO) contacts, this relay offers flexibility in circuit configurations, allowing for multiple control scenarios.
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4. 24VDC OperationDesigned to operate on 24VDC, this relay is compatible with a wide range of industrial power supplies, making it versatile for various applications.
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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

72.5 mm

Product Net Height

68 mm

Product Net Weight

0.28 kg

Number of Auxiliary Contacts NO

Number of Auxiliary Contacts NC

5. Spring TerminalsThe NSL40ES-81 features spring terminals, facilitating easy and secure connections, reducing the risk of electrical faults and ensuring smooth operation.

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)

DC Operation 24 V

Operate Time

Between Coil De-energization and NC Contact Closing 15 ... 20 ms Between Coil De-energization and NO Contact Opening 13 ... 17 ms Between Coil Energization and NC Contact Opening 31 ... 53 ms Between Coil Energization and NO Contact Closing 36 ... 59 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: A 20 g Closed, Shock Direction: B1 15 g Closed, Shock Direction: C1 19 g Closed, Shock Direction: C2 14 g Open, Shock Direction: A 10 g Open, Shock Direction: B1 5 g Open, Shock Direction: C1 8 g Open, Shock Direction: C2 8 g Shock Direction: B2 10 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)

4763 >> Power contactor, DC switching

Manufacturer ID

1SBH103004R8140