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Documentation
Datasheet - TBAU 400 V3.0.pdf
Datasheet - TBAU 400 V3.0.pdf
Technical drawings
Drawings - TBAU 400 Relay.zip
Drawings - TBAU 400 Relay.zip
Timer Relays
TBAU 400 relay - Delay-on pull-in or drop-out, 4 C/O
Summary
Description
The TBAU 400 is a delay-on pull-in or drop-out relay with 4 double make / double break C/O contacts (form Z). The delay is fully programmable with a dip switch) from 0.25 s to 63 min. The access to dip switch is available by removing time delay cover. This feature prohibits frivolous field time delay setting.
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 TBAU 400 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 TBAU 400 timing relay is designed for heavy duty applications with a programmable timing function used for example in HVAC and lighting.
Features
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Delay-on plug-in or drop-out relay
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Delay range from 0.25 s...63.75 min
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Time delay fully programmable by dip switch
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Status LED indicator
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Plug-in design with secure locking feature for maximum ease of maintenance
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4 double make / double break C/O contacts (form Z), 8 A
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Optional weld no transfer contacts
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Contact life (mechanical) of 100 million cycles
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-40 °C...+8 5°C operating temperature
Benefits
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Proven reliable in heavy duty application
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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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NF F 62-002 Rolling stock - Instantaneous relays contacts and sockets
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NF F 16-101/102 Fire behaviour - Railway rolling stock
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EN 50155 Railway application - Electronic equipment used on rolling stock
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IEC 61373 Railway application - shock and vibration tests
Certifications
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