The ABB NX31E-85 is a 230V AC auxiliary contactor relay with 3NO+1NC contacts, designed for precise control in various industrial applications.
Product ModelNX31E-85
Material Number1SBH901074R8531
Product ID74414
Stock on Request
Last updated: 8/29/2026
Key Features
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1. Reliability and PerformanceThe ABB NX31E-85 is built to last, ensuring consistent performance in demanding industrial environments.
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2. Versatile ConfigurationWith 3 normally open (NO) and 1 normally closed (NC) contacts, this relay offers flexible configuration options to meet diverse application needs.
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3. Easy InstallationThe block-type design with mechanically linked auxiliary contact elements simplifies installation and reduces setup time.
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4. High Voltage CompatibilityCompatible with 220-230V AC, this relay is suitable for a wide range of industrial applications requiring high voltage control.
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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
44 mm
Product Net Depth / Length
74 mm
Product Net Height
74 mm
Product Net Weight
0.315 kg
Number of Auxiliary Contacts NO
3
Number of Auxiliary Contacts NC
1
5. Compliance with International StandardsMeets IEC 60947-5-1 and VDE 0110 (Gr. C) standards, ensuring compliance with international safety and performance regulations.
(500 V) NC 2 (500 V) 2 A (690 V) 2 A (24 / 127 V) 6 A (220 / 240 V) 4 A (380 / 400 V) 3 A (400 / 440 V) 2 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 (110 V) 0.55 A / 60 W (125 V) 0.55 A / 69 W (220 V) 0.30 A / 66 W (250 V) 0.30 A / 75 W (400 V) 2.8 A / 134 W (500 V) 1 A / 72 W
Rated Insulation Voltage (Ui)
acc. to IEC 60947-5-1 and VDE 0110 (Gr. C) 690 V
Rated Impulse Withstand Voltage (Uimp)
Auxiliary Circuit 6 kV
Maximum Mechanical Switching Frequency
6000 cycles per hour
Rated Control Circuit Voltage (Uc)
50 Hz 380 ... 400 V 60 Hz 400 ... 415 V
Operate Time
Between Coil De-energization and NC Contact Closing 9 ... 16 ms Between Coil De-energization and NO Contact Opening 4 ... 11 ms Between Coil Energization and NC Contact Opening 7 ... 21 ms Between Coil Energization and NO Contact Closing 10 ... 26 ms
Degree of Protection
acc. to IEC 60529, IEC 60947-1, EN 60529 Coil Terminals IP20
Terminal Type
Screw Terminals
Tightening Torque UL/CSA
Auxiliary Circuit 9 in·lb Control Circuit 9 in·lb
Ambient Air Temperature
Close to Contactor Fitted with Thermal O/L Relay -25 ... 55 °C Close to Contactor without Thermal O/L Relay -40 ... 70 °C Close to Contactor for Storage -60 ... +80 °C Near Contactor for Operation in Free Air -40 ... 70 °C
Climatic Withstand
acc. to IEC 60068-2-30 and 60068-2-11 - UTE C 63-100 specification II
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
39121500
IDEA Granular Category Code (IGCC)
4755 >> Contactors
Manufacturer ID
1SBH901074R8531
ABB NX31E-85 230V AC 3NO+1NC Auxiliary Contactor Relay | INDSLT
