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ABBIsolating switch
Product Model

OT25F4N2

Manufacturer

ABB

Category

Isolating switch

Product ID

83979

In Stock
Last updated: 2025/4/23
View Specifications
ABB OT25F4N2

Selling Points

  • 1Front-operated switch-disconnector with 4 poles for precise control.
  • 2DIN rail mountable for easy installation in various electrical systems.
  • 3Rated insulation voltage of 750 V and impulse withstand voltage of 8 kV.
  • 4Non-fused design ensures reliable operation without the risk of fuse failure.
  • 5Suitable for applications requiring 25 A at 380-415 V, 500 V, or 690 V.
Product Details
OT25F4N2
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
48 mm
Product Net Height
68 mm
Product Net Depth / Length
56 mm
Product Net Weight
0.125 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 32 A
Conventional Thermal Current (Ithe)
Fully Enclosed 32 A
Degree of Protection
Front IP20
Distance Between Phases
Standard
Fourth Pole Position
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
4P
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 0.6 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) 25 A (500 V) 25 A (690 V) 25 A
Rated Operational Current AC-22A (Ie)
(380 ... 415 V) 25 A (500 V) 25 A (690 V) 25 A
Rated Operational Current AC-23A (Ie)
(380 ... 415 V) 20 A (500 V) 20 A (690 V) 11 A
Rated Operational Power AC-23A (Pe)
(220 ... 240 V) 4 kW (400 ... 415 V) 9 kW (500 V) 9 kW (690 V) 9 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
30 A
Horsepower Rating UL/CSA
(110 ... 120 V AC) Single Phase 1.5 Hp (240 V AC) Single Phase 3 Hp (440 ... 480 V AC) Single Phase 7.5 Hp (550 ... 600 V AC) Single Phase 10 Hp (220 ... 240 V AC) Three Phase 7,5 Hp (440 ... 480 V AC) Three Phase 15 Hp (550 ... 600 V AC) Three Phase 20 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)
5293 >> Switch disconnector
eClass
V11.1 : 27371403
WEEE Category
5. Small Equipment (No External Dimension More Than 50 cm)
E-Number (Finland)
3601431
E-Number (Norway)
4363523
E-Number (Sweden)
3171067
Manufacturer ID
1SCA104886R1001

Specifications may be subject to change without notice