OT250KUUA3TZ

Name: OT250KUUA3TZ
Brand: ABB
SKU: OT250KUUA3TZ

The ABB OT250KUUA3TZ is a high-performance safety switch designed for outdoor use. Featuring a UV-protected, galvanized steel enclosure with low-pressure water resistance, it ensures reliable operation and user safety. Ideal for applications requiring durability and protection.

Product ModelOT250KUUA3TZ

Material Number1SCA137821R1001

Product ID88520

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Durability and ProtectionThe OT250KUUA3TZ is built with a UV-protected, galvanized steel enclosure, ensuring it withstands harsh outdoor conditions and provides long-lasting performance.
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2. User SafetyEquipped with an inbuilt gas pressure relief function, this switch protects users from internal arcs, ensuring a safe operating environment.
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3. Versatile Cable EntryThe switch supports various cable entry types, including blank, ring-flange, and C-flange (FL21), allowing for flexible installation configurations.
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4. Padlockable HandleThe padlockable handle provides an additional layer of security, ensuring the switch remains tamper-proof and secure.
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Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Specifications may be subject to change without notice

Parameter

Value

Parameter

Value

Degree of Protection

acc. to IEC 60529 IP65

Pollution Degree

Product Net Width

400 mm

Product Net Height

800 mm

Product Net Depth / Length

230 mm

Product Net Weight

22.85 kg

5. Interlock FunctionalityThe interlock function can be bypassed for thermographing, offering flexibility in different operational scenarios while maintaining safety standards.

Cable Entry Position

Cable Outlets Per Side

Blank / Open

Connecting Capacity Main Circuit

Hole Diameter 8 mm Screw Clamp / PE Terminal 4pcs, 25â¦120 mmÂ²

Conventional Thermal Current (Ithe)

Fully Enclosed 250 A

Degree of Protection

acc. to IEC 60529 IP65

Enclosure Material

Steel sheet

Enclosure Type

MSC

Handle Color

Black

Handle Type

Pistol handle

Maximum Mounted Auxiliary Contacts

2 NO, 2 NC

Mechanical Durability

20000 cycle

Mounted Auxiliary Contacts

2 NO, 1 NC

Number of Poles

Pollution Degree

Power Loss

at Rated Operating Conditions per Pole 6.5 W

Rated Conditional Short-Circuit Current (Inc)

40.5 kA

Rated Impulse Withstand Voltage (Uimp)

8 kV

Rated Insulation Voltage (Ui)

acc. to IEC/EN 60664-1 1000 V

Rated Operational Current AC-22A (Ie)

(380 ... 415 V) 250 A (500 V) 250 A (690 V) 250 A

Rated Operational Current AC-23A (Ie)

(380 ... 415 V) 250 A (500 V) 250 A (690 V) 250 A

Rated Operational Power AC-23A (Pe)

(380 ... 415 V) 132 kW (500 V) 160 kW (690 V) 200 kW

Rated Operational Voltage

Main Circuit 1000 V

Rated Short-Circuit Making Capacity (Icm)

(1000 V AC) 30 kA

Rated Short-time Withstand Current Low Voltage (Icw)

for 1 s 8 kA

Special Functions

EMC

Standards

IEC 60947-1, -3

Tightening Torque

15 - 22 NÂ·m

Tightening Torque

15 - 22 NÂ·m

Object Classification Code

ETIM 8

EC000216 - Switch disconnector

WEEE Category

4. Large Equipment (Any External Dimension More Than 50 cm)

Manufacturer ID

1SCA137821R1001