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ABBFuse protector
Product Model

OS1250D11

Manufacturer

ABB

Category

Fuse protector

Product ID

74388

In Stock
Last updated: 2025/4/17
View Specifications
ABB OS1250D11

Selling Points

  • 1Robust Design: Built with high-quality materials for long-lasting performance.
  • 2Precision Control: Front-operated handle for easy operation and precise control.
  • 3DIN Mounting: Compatible with DIN mounting standards for seamless integration.
  • 4Reliable Power Delivery: Ensures safe and efficient power distribution in various applications.
  • 5Comprehensive Documentation: Available in multiple formats including PDF, DWG, and STP for easy integration into your system.
Product Details
OS1250D11
ABB

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
Pollution Degree
3
Product Net Width
294 mm
Product Net Height
319 mm
Product Net Depth / Length
356 mm
Product Net Weight
19.3 kg
Conventional Free-air Thermal Current (Ith)
Θ = 40 °C 1250 A
Conventional Thermal Current (Ithe)
Fully Enclosed 1000 A
Fuse Size
NH4
Fuse System
DIN
Handle Type
Handle and shaft not included
Mounting Type
Base mounting
Number of Poles
2
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 75 W
Rated Conditional Short-Circuit Current (Inc)
(690 V) 80 kA
Rated Current (In)
Main Circuit 1250 A
Rated Impulse Withstand Voltage (Uimp)
12 kV
Rated Insulation Voltage (Ui)
1000 V
Rated Operational Current AC-21A (Ie)
(380 ... 415 V) 1250 A (500 V) 1250 A (690 V) 1250 A
Rated Operational Current AC-21B (Ie)
(500 V) 1250 A (690 V) 1250 A
Rated Operational Current AC-22A (Ie)
(380 ... 415 V) 1250 A
Rated Operational Current AC-22B (Ie)
(500 V) 1250 A (690 V) 1250 A
Rated Operational Current AC-23A (Ie)
(380 ... 415 V) 1000 A
Rated Operational Current AC-23B (Ie)
(500 V) 1000 A (690 V) 1000 A
Rated Operational Power AC-23A (Pe)
(220 ... 240 V) 315 kW (400 V) 560 kW (415 V) 560 kW (500 V) 710 kW (690 V) 1000 kW
Rated Operational Voltage
Main Circuit 690 V AC
Rated Short-time Withstand Current Low Voltage (Icw)
for 1 s 40 kiloampere rms
Standards
IEC 60947-3
Switches Operating Mechanism
11 (Between the Poles)
Terminal Type
Lug terminals
Terminal Width
50 mm
Tightening Torque
50 ... 75 N·m
Tightening Torque
50 ... 75 N·m
Object Classification Code
Q
ETIM 8
EC001040 - Fuse switch disconnector
ETIM 9
EC001040 - Fuse switch disconnector
UNSPSC
39122233
IDEA Granular Category Code (IGCC)
5291 >> Fuse switch disconnector
eClass
V11.1 : 27371401
WEEE Category
5. Small Equipment (No External Dimension More Than 50 cm)
Manufacturer ID
1SCA143373R1001

Specifications may be subject to change without notice