Product Model

OT25F8/B3

In Stock
Last updated: 2025/4/21
ABB OT25F8/B3

Selling Points

  • 1High amperage rating of 25 A for versatile applications.
  • 2Compact dimensions: 68 mm H x 68 mm W x 96 mm D for space efficiency.
  • 3Front-operated non-fusible design for quick and safe operation.
  • 4Suitable for 3-phase systems with 8 poles and 50 Hz frequency.
  • 5DIN Rail/Surface Mount compatibility for flexible installation options.
Product Details
OT25F8/B3
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
96 mm
Product Net Height
96 mm
Product Net Depth / Length
68 mm
Product Net Weight
0.8 kg
Cable Cross-Section
Cu 0.75 ... 10 mm²
Conventional Thermal Current (Ithe)
Fully Enclosed 32 A
Degree of Protection
Front IP20
Handle Type
Knob Handle and shaft not included
Lock Type
No
Mechanical Durability
20000
Number of Poles
8P
Pollution Degree
3
Power Loss
at Rated Operating Conditions per Pole 0.6 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) 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
Standards
IEC 60947-3 / UL 508 / CSA C22.2 No. 14
Terminal Type
Screw Terminals
Tightening Torque
acc. IEC 60947-1 0.8 N·m
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
Tightening Torque
acc. IEC 60947-1 0.8 N·m
Object Classification Code
Q
WEEE Category
5. Small Equipment (No External Dimension More Than 50 cm)
Manufacturer ID
1SCA118481R1001

Specifications may be subject to change without notice