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ABBIsolating switch
Product Model

OT40F3U

Manufacturer

ABB

Category

Isolating switch

Product ID

88852

In Stock
Last updated: 2025/4/26
View Specifications
ABB OT40F3U

Selling Points

  • 140A for reliable operation in demanding electrical systems.
  • 2Supports up to 750VAC, suitable for various low-voltage applications.
  • 3Measuring 68mm x 35mm x 56mm, ideal for space-constrained installations.
  • 4Withstands up to 20,000 operating cycles, ensuring long-lasting performance.
  • 5Meets IEC 60947-3, UL508, and CSA C22.2 No. 14 standards for safety and reliability.
Product Details
OT40F3U
ABB

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
Degree of Protection
Front IP20
Environmental Information
1SCC301262D0201
Pollution Degree
3
Product Net Width
35 mm
Product Net Height
68 mm
Product Net Depth / Length
56 mm
Product Net Weight
0.095 kg
Cable Cross-Section
Cu 0.75 ... 10 mm²
Conventional Free-air Thermal Current (Ith)
Θ = 40 °C 40 A
Conventional Thermal Current (Ithe)
Fully Enclosed 40 A
Degree of Protection
Front IP20
Distance Between Phases
Standard
Handle Type
Knob Handle and shaft not included
Lock Type
No
Mechanical Durability
20000
Mounting Type
Base mounting
Number of Poles
3P
Operating Mode
Front operated
Pollution Degree
3
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-21A (Ie)
(380 ... 415 V) 40 A (500 V) 40 A (690 V) 40 A
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
Special Functions
No
Standards
IEC 60947-3 / UL 508 / CSA C22.2 No. 14
Switches Operating Mechanism
Mechanism on Top of the Switch
Terminal Type
Screw Terminals
Tightening Torque
acc. IEC 60947-1 0.8 N·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 N·m
Object Classification Code
Q
UNSPSC
39122233
IDEA Granular Category Code (IGCC)
5290 >> Disconnect switch
WEEE Category
5. Small Equipment (No External Dimension More Than 50 cm)
Manufacturer ID
1SCA104930R1001

Specifications may be subject to change without notice