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OT160E04CLK ABB 160 A 4-Pole Closed-transition Manual Change-over Switch
ABB OT160E04CLK is a 160 A 4-pole direct-handle manual closed-transition I-I+II-II change-over switch designed for make-before-break power source transfer without an OFF position.
£456.44
Why Choose the ABB OT160E04CLK Manual Change-over Switch?
The ABB OT160E04CLK is a 160 A 4-pole manual change-over switch designed for closed-transition power transfer applications. Supplied under ABB product ID 1SCA117785R1001 and forming part of the ABB OT Change-over Switches range, it provides I-I+II-II operation without an OFF position for applications requiring make-before-break source transfer.
Unlike conventional open-transition change-over switches, the OT160E04CLK incorporates an intermediate I+II position in which both switch sections are closed simultaneously. ABB's OT closed-transition switching principle provides a minimum 20 ms contact overlap between positions I and II, with a 90° operating angle across the switching sequence.
With a rated operational current of 160 A and a 4-pole configuration, the OT160E04CLK provides simultaneous switching of four conductors for demanding low-voltage power transfer applications. Its direct-handle manual operation provides straightforward local switching directly at the change-over switch, making it suitable for switchboards, control panels and industrial power distribution systems.
Key Advantages
- Purpose-designed 160 A closed-transition manual change-over switch.
- 4-pole configuration for applications requiring four switched conductors.
- I-I+II-II make-before-break operation with no OFF position.
- Minimum 20 ms contact overlap during closed-transition switching.
- Direct-handle operation provides convenient local manual control.
- 90° operating angle across the I-I+II-II switching sequence.
Key Features
- ABB OT Change-over Switches series.
- 160 A rated operational current.
- 4-pole manual change-over configuration.
- Closed-transition I-I+II-II operation.
- No OFF position between source I and source II.
- Make-before-break switching with an intermediate I+II position.
- Direct manual handle operation.
- 90° handle operating angle.
Closed-transition Change-over for Continuous Power Transfer
Closed-transition change-over switches use make-before-break operation rather than passing through an OFF position during transfer. The ABB OT160E04CLK moves from position I through an intermediate I+II position to position II, with both switch sections closed simultaneously during the transition. This provides the characteristic I-I+II-II switching sequence of ABB's OT closed-transition change-over range.
The four-pole OT160E04CLK combines this closed-transition principle with a 160 A current rating and direct manual handle operation. Its four switched poles make it suitable for power distribution arrangements requiring simultaneous switching of four conductors, while direct operation provides convenient local control at the switch.
Typical Applications
- Closed-transition power source change-over systems.
- Industrial electrical distribution switchboards.
- Four-pole power transfer switching installations.
- Power distribution and control panels.
- Applications requiring make-before-break manual transfer.
- OEM switchboards and industrial electrical systems.
Technical Specifications
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| Device Type | Manual changeover switch | |
|---|---|---|
| Operation | Manual | |
| Mounting Type | Base mounting | |
| Series | OT Change-over Switches | |
| ABB product ID | 1SCA117785R1001 | |
| ABB order code | OT160E04CLK | |
| Product type | Manual closed-transition change-over switch | |
| Rated current | 160 A | |
| Number of poles | 4 | |
| Switch positions | I-I+II-II | |
| Transition type | Closed transition / make-before-break | |
| OFF position | No | |
| Minimum contact overlap | 20 ms | |
| Handle operating angle | 90° | |
| Operation | Manual direct handle | |
| Mounting type | Base mounting |
Frequently Asked Questions
What is the ABB OT160E04CLK used for?
The ABB OT160E04CLK is a 160 A 4-pole manual closed-transition change-over switch used for make-before-break transfer between two electrical source positions.
Does the ABB OT160E04CLK have an OFF position?
No. The OT160E04CLK operates through I-I+II-II positions without an OFF position, with an intermediate I+II position where both switch sections are closed simultaneously.
What is the contact overlap time of the OT160E04CLK?
ABB specifies a minimum overlap time of 20 ms for the closed-transition principle used by this OT change-over switch range.
How many poles does the ABB OT160E04CLK have?
The OT160E04CLK is a 4-pole change-over switch with a rated current of 160 A.
How is the ABB OT160E04CLK operated?
The OT160E04CLK is a manual change-over switch with direct-handle operation, providing local control through the I-I+II-II closed-transition switching sequence.
Trusted ABB Change-over Switching
ABB OT manual change-over switches provide dependable source transfer for industrial power distribution applications, with closed-transition models offering I-I+II-II make-before-break operation for systems requiring transfer without an OFF position.
