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ABBIsolating switch
Product Model

OT40F8

Manufacturer

ABB

Category

Isolating switch

Product ID

83574

In Stock
Last updated: 2025/4/22
View Specifications
ABB OT40F8

Selling Points

  • 1High Performance: Designed for demanding applications with high horsepower ratings up to 25 hp.
  • 2Safety Features: Front operated non-fusible design with protected clamp terminals for improved safety.
  • 3Flexibility: Mountable in any position, including DIN rail, door, or base mount.
  • 4Broad Compatibility: Suitable for a wide range of applications from machinery to photovoltaic installations.
  • 5Durable Construction: Built with robust materials and a durable design for long-lasting operation.
Product Details
OT40F8
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
83 mm
Product Net Height
68 mm
Product Net Depth / Length
68 mm
Product Net Weight
0.27 kg
Cable Cross-Section
Cu 0.75 ... 10 mm²
Connecting Capacity Main Circuit
Flexible with Ferrule 1x Cu 0.75…4 mm² Solid 1x Cu 0.75…6 mm² Flexible 1x Cu 0.75…10 mm² Stranded 1x 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
Fourth Pole Position
Left and Right Side
Fourth Pole Type
Switched - Simultaneous Function
Handle Type
Knob Handle and shaft not included
Lock Type
No
Mechanical Durability
20000
Mounting Type
Base mounting
Number of Poles
8P
Operating Mode
Front operated
Pollution Degree
3
Position of Line Terminals
Top In - Bottom Out Bottom In - Top Out
Power Loss
at Rated Operating Conditions per Pole 1.6 W
Rated Conditional Short-Circuit Current (Inc)
(40 A fuse, ≤415V) 50 kA (25 A fuse, 690 V) 50 kA
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 Current DC-21B (Ie)
(750 V) 32 A (550 V) 32 A (800 V) 16 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
Recommended Screw Driver
Main Circuit Pozidriv 2
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
Wire Stripping Length
Main Circuit 9-10 mm
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
Wire Stripping Length
Main Circuit 9-10 mm
Recommended Screw Driver
Main Circuit Pozidriv 2
Tightening Torque
acc. IEC 60947-1 0.8 N·m
Tightening Torque UL/CSA
7 in·lb
Object Classification Code
Q
ETIM 8
EC000216 - Switch disconnector
ETIM 9
EC000216 - Switch disconnector (low voltage)
UNSPSC
39122233
IDEA Granular Category Code (IGCC)
5290 >> Disconnect switch
eClass
V11.1 : 27371403
WEEE Category
5. Small Equipment (No External Dimension More Than 50 cm)
E-Number (Finland)
3601445
E-Number (Norway)
4363571
Manufacturer ID
1SCA104938R1001

Specifications may be subject to change without notice