Description
The electronic timer TB AO is a delay-on pull-in timing module. It offers a short range duration (0.25 seconds to 40 seconds) and controls an external load from a common source. The time delay with programmable lag is specified by external connections.
The plug-in design offers secure locking feature for maximum ease of maintenance (no wires need to be disconnected or other hardware removed for relay inspection or replacement). The resistance to impact and vibration is conform to standards in force for Railway Transported Equipment.
Positive mechanical keying of relay to socket is built into relay and socket during manufacture and terminal identifications are clearly marked on identification plate that is permanently attached to the relay.
The TB AO relay is pluggable in the following sockets: EA 102 B, EA 102 BF, EA 103 BF, EA 104 B, EA 104 BF, EA 105 BF, EA 112 BF.
Application
The TB AO electronic timing module is designed for applications with a programmable timing function used for example in HVAC and lighting.
Features
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Delay-on pull-in timing module
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Short time delay range
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Delay range 0.25 s…40 s
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Time delay programmable by external connections
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Plug-in design with secure locking feature for maximum ease of maintenance
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-40 °C…+85 °C operating temperature
Benefits
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Proven reliable
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Long life cycle
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Accurate timing selection finger safe
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Easy to maintain and replace
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Low life cycle cost
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No maintenance
Railway compliancy
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CF 62-003 European railway standard
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NF F 16-101/102 Fire behaviour – Railway rolling stock
