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Din Rail Mount
The DLA series are Din rail mount DC signal line surge protectors with replaceable modules that are designed to protect your sensitive telephone, datacom and instrumentation equipment against harmful lighting surges and electrical transients. The DLA series utilize a hybrid protection circuit consisting of high energy Gas Discharge Tubes (GDTs) and fast clamping diodes that offer an ultra fast response time (<1 ns) and very high power handling capability of 20kA 8/20 µs. These units automatically reset after each surge event. The DLA Series are connected via screw terminals and are available for protection of 1-pair. These devices incorporate a replaceable module for fast and easy maintenance. (Replaceable Module Part's: DLAM-06D3, DLAM-12D3, DLAM-24D3, DLAM-48D3, DLAM-170) Characteristics
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CITEL Number
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DLA-170
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DLA-48D3
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DLA-24D3
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DLA-12D3
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DLA-06D3
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Application
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Telephone line ADSL, DSL
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ISDN-to 48 V line
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Leased line 4-20 mA
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RS232
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RS422, T1 RS485, 10 Base T
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Configuration
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1 pair+shield
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1 pair+shield
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1 pair+shield
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1 pair+shield
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1 pair+shield
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Nominal line voltage (Un)
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150V
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48V
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24V
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12V
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6V
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Max. line voltage (Uc)
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170V
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53v
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28V
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15V
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8V
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Max. line current
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300mA
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300mA
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300mA
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300mA
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300mA
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Protection level (Up)
8/20µs imlulse-5 kA
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220V
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70V
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40V
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30V
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20V
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Nominal Discharge Current (In)
8/20µs impulse-10 times
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5kA
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5kA
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5kA
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5kA
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5kA
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Max. Discharge current (Imax)
8/20µs
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20kA
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20kA
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20kA
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20kA
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20kA
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Impulse current (Iimp)
10/350µs impulse-2 times
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5kA
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5kA
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5kA
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5kA
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5kA
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Type of diagram
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Short-circuit
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Short-circuit
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Short-circuit
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Short-circuit
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Short-circuit
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End of Life
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5kA
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5kA
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5kA
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5kA
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5kA
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Spare Module
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DLA-xxx: Standard version (line continuity after removal of plug-in-module
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Mechanical specification
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Symmetrical DIN rail mounting
Connection by screw: min/max. cross section 0.4/1.5 mm2
Housing material: Thermoplastic UL94-V0
Earth connection via
DIN rail or screw terminal
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Available Option
- DLAH: Designed for signal line with hi nominal line currents up to 2.4.
- DLAW: Removal of the pluggin modul cut off line transmission.
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