The ABB OT16M4 is a 4-pole, front-operated switch-disconnector with protected clamp terminals. It is DIN-rail mountable and suitable for industrial power distribution applications.
Product ModelOT16M4
Material Number1SCA022497R0730
Product ID83297
Stock on Request
Last updated: 8/29/2026
Key Features
1
Feature1. Compact Design The ABB OT16M4 is designed to be compact, making it ideal for space-saving installations in industrial settings. Its compact size allows for easy integration into existing control panels and distribution systems.
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Feature2. Reliability Equipped with a comprehensive range of inbuilt safety features, the OT16M4 ensures reliable operation in extreme conditions. It is designed to withstand the rigors of industrial environments, providing consistent performance over time.
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Feature3. Ease of Operation The switch-disconnector is front-operated, making it easy to use and maintain. The protected clamp terminals add an extra layer of safety, ensuring secure connections and reducing the risk of electrical shock.
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Feature4. DIN-Rail Mountability The OT16M4 is designed for DIN-rail mounting, which simplifies installation and reduces the time required for setup. This feature is particularly useful in applications where flexibility and quick deployment are essential.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Specifications may be subject to change without notice
Parameter
Value
Parameter
Value
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
73 mm
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Feature5. Versatility The OT16M4 can handle a variety of applications, from small-scale industrial power distribution to larger-scale installations. Its versatility makes it a go-to solution for many industrial settings, offering flexibility in terms of usage and integration.
Product Net Weight
0.125 kg
Cable Cross-Section
Cu 0.75 ... 10 mm²
Conventional Free-air Thermal Current (Ith)
Π= 40 °C 25 A
Conventional Thermal Current (Ithe)
Fully Enclosed 25 A
Degree of Protection
Front IP20
Distance Between Phases
Standard
Fourth Pole Position
Right Side
Fourth Pole Type
Switched - Simultaneous Function
Handle Type
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 0.3 W
Rated Conditional Short-Circuit Current (Inc)
(40 A fuse, â¤415V) 50 kA (25 A fuse, 690 V) 50 kA
Rated Short-time Withstand Current Low Voltage (Icw)
for 1 s 0.5 kA
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
Horsepower Rating UL/CSA
(110 ... 120 V AC) Single Phase 1 Hp (240 V AC) Single Phase 2 Hp (440 ... 480 V AC) Single Phase 5 Hp (550 ... 600 V AC) Single Phase 7.5 Hp (220 ... 240 V AC) Three Phase 5 Hp (440 ... 480 V AC) Three Phase 10 Hp (550 ... 600 V AC) Three Phase 10 Hp
Tightening Torque
acc. IEC 60947-1 0.8 N·m
Object Classification Code
Q
ETIM 8
EC000216 - Switch disconnector
ETIM 9
EC000216 - Switch disconnector (low voltage)
eClass
V11.1 : 27371403
WEEE Category
5. Small Equipment (No External Dimension More Than 50 cm)
