Recessing stops for IT devices for-12-IS
Recessing stops for IT devices for-12-IS

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Manufacturer: CITEL

Recessing stops for IT devices for-12-IS

DLA-12-IS Surge Arrester for IT Devices

• Only 18 mm wide
• Replaceable plug-in module
• Ideal for symmetrical connections such as RS485 or 232 with one pair of wires
• Choice of indirect or direct shielding
• Galvanically separated grounding via a gas discharge tube
• 2-stage protection
• Complies with the IEC 61643-21 standard
• Recommended for photovoltaic power plants with RS485
and wide-area systems

Technical data

Description FOR-12-IS
Application RS485, RS232
Rated voltage Un 12V
Max. perm. DC/AC operating voltage Uc 15V / 10V
Max. operating current** IL 2.4A
C3 Voltage protection level at In Up 30V** / <640V
C2 Rated discharge current
In: 10 x 8/20µs		 In 5kA
Limit leakage current
Imax: 1 x 8/20µs		 Imax 20kA
D1 Surge current
Iimp: 2 x 10/350µs		 Iimp 5kA
Impedance per line R 0 Ω
Capacity C <25pF
Activation time <10 ns
Device damaged short circuit

Mechanical Properties
Configuration DLA-IS = 1 double wire + shield + Signal-Ground
Mounting Method TH35 mm mounting rail
Housing dimensions See drawing
Cable cross-section Min/max 0.4/1.5 mm²
Housing material UL94-V0 thermoplastic
Grounding via TH35 rail and screw terminal
Replacement module DLAM-12-IS
Control Standards
IEC 61643-21 International SPD for telecommunications and signaling networks

Article number 640152
Replacement module 64015200

Dimensions and diagram

Surge arresters for IT devices DLA-12-IS dimensions

Surge arresters for IT devices DLA-12-IS schematic

P: 3-pole gas discharge tube
Pb: 2-pole gas discharge tube
R: Resistance or coil
D: Diode
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DLA-12-IS Surge Arrester for IT Devices

• Only 18 mm wide
• Replaceable plug-in module
• Ideal for symmetrical connections such as RS485 or 232 with one pair of wires
• Choice of indirect or direct shielding
• Galvanically separated grounding via a gas discharge tube
• 2-stage protection
• Complies with the IEC 61643-21 standard
• Recommended for photovoltaic power plants with RS485
and wide-area systems

Technical data

Description FOR-12-IS
Application RS485, RS232
Rated voltage Un 12V
Max. perm. DC/AC operating voltage Uc 15V / 10V
Max. operating current** IL 2.4A
C3 Voltage protection level at In Up 30V** / <640V
C2 Rated discharge current
In: 10 x 8/20µs		 In 5kA
Limit leakage current
Imax: 1 x 8/20µs		 Imax 20kA
D1 Surge current
Iimp: 2 x 10/350µs		 Iimp 5kA
Impedance per line R 0 Ω
Capacity C <25pF
Activation time <10 ns
Device damaged short circuit

Mechanical Properties
Configuration DLA-IS = 1 double wire + shield + Signal-Ground
Mounting Method TH35 mm mounting rail
Housing dimensions See drawing
Cable cross-section Min/max 0.4/1.5 mm²
Housing material UL94-V0 thermoplastic
Grounding via TH35 rail and screw terminal
Replacement module DLAM-12-IS
Control Standards
IEC 61643-21 International SPD for telecommunications and signaling networks

Article number 640152
Replacement module 64015200

Dimensions and diagram

Surge arresters for IT devices DLA-12-IS dimensions

Surge arresters for IT devices DLA-12-IS schematic

P: 3-pole gas discharge tube
Pb: 2-pole gas discharge tube
R: Resistance or coil
D: Diode
Less
Read more
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