OT40F3U/B50

Name: OT40F3U/B50
Brand: ABB
SKU: OT40F3U/B50

The ABB OT40F3U/B50 is a front-operated, 3-pole disconnect switch with a 40A rating. Ideal for industrial applications, it features protected clamp terminals and meets IEC 60947-3 standards.

Product ModelOT40F3U/B50

Material Number1SCA126080R1001

Product ID82858

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Front Operated DesignThe ABB OT40F3U/B50 is designed for easy front operation, making it simple to use in a variety of industrial settings.
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2. 3-Pole ConfigurationWith a 3-pole configuration, this switch-disconnector can handle multiple phases, ensuring reliable and efficient operation in complex electrical systems.
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3. 40A Amperage RatingThe 40A amperage rating makes the OT40F3U/B50 suitable for a wide range of applications, from small to medium-sized electrical systems.
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4. Protected Clamp TerminalsThe switch features protected clamp terminals, providing secure and reliable connections that minimize the risk of electrical faults.
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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

Degree of Protection

Front IP20

Environmental Information

1SCC301262D0201

Pollution Degree

Product Net Width

35 mm

Product Net Height

68 mm

Product Net Depth / Length

56 mm

5. DIN-Rail MountableThe OT40F3U/B50 is designed for DIN-rail mounting, making it easy to integrate into existing electrical panels and systems without requiring extensive modifications.

6. Meets IEC 60947-3 StandardsThe switch meets the stringent standards set by IEC 60947-3, ensuring high reliability and safety in industrial electrical applications.

7. Non-Fusible OperationThe OT40F3U/B50 operates non-fusible, meaning it does not require a fuse and is designed for applications where a fuse is not necessary or practical.

8. High Insulation VoltageThe switch has a high insulation voltage of 750VAC, providing robust protection against electrical overvoltage and ensuring reliable operation in harsh environments.

9. Robust ConstructionBuilt with durable materials, the OT40F3U/B50 is designed to withstand the rigors of industrial environments, ensuring long-lasting performance and reliability.

10. Easy MaintenanceThe front-operated design and accessible terminals make maintenance and repairs straightforward, reducing downtime and increasing overall efficiency.

Cable Cross-Section

Cu 0.75 ... 10 mmÂ²

Conventional Thermal Current (Ithe)

Fully Enclosed 40 A

Degree of Protection

Front IP20

Handle Type

Knob Handle and shaft not included

Lock Type

Mechanical Durability

20000

Number of Poles

Pollution Degree

Power Loss

at Rated Operating Conditions per Pole 1.6 W

Rated Impulse Withstand Voltage (Uimp)

8 kV

Rated Insulation Voltage (Ui)

acc. to IEC/EN 60664-1 750 V

Rated Operational Current AC-22A (Ie)

(380 ... 415 V) 40 A (500 V) 40 A (690 V) 40 A

Rated Operational Current AC-23A (Ie)

(380 ... 415 V) 23 A (500 V) 23 A (690 V) 12 A

Rated Operational Power AC-23A (Pe)

(220 ... 240 V) 5.5 kW (400 ... 415 V) 11 kW (500 V) 11 kW (690 V) 11 kW

Rated Operational Voltage

Main Circuit 750 V

Rated Short-Circuit Making Capacity (Icm)

(690 V) 0.71 kA

Rated Short-time Withstand Current Low Voltage (Icw)

for 1 s 0.5 kA

Standards

IEC 60947-3 / UL 508 / CSA C22.2 No. 14

Terminal Type

Screw Terminals

Tightening Torque

acc. IEC 60947-1 0.8 NÂ·m

Maximum Operating Voltage UL/CSA

600 V

Ampere Rating

40 A

Horsepower Rating UL/CSA

(110 ... 120 V AC) Single Phase 2 Hp (240 V AC) Single Phase 5 Hp (440 ... 480 V AC) Single Phase 10 Hp (550 ... 600 V AC) Single Phase 15 Hp (220 ... 240 V AC) Three Phase 10 Hp (440 ... 480 V AC) Three Phase 20 Hp (550 ... 600 V AC) Three Phase 25 Hp

Tightening Torque

acc. IEC 60947-1 0.8 NÂ·m

Object Classification Code

UNSPSC

39122233

IDEA Granular Category Code (IGCC)

5290 >> Disconnect switch

WEEE Category

5. Small Equipment (No External Dimension More Than 50 cm)

Manufacturer ID

1SCA126080R1001