Part No. 990301 DTR 1.2 10 3

GTIN 4013364103085, Customs tariff No. (EU): 85354000, Gross weight: 3.00 kg, PU: 1.00 Stk

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Surge arrester DTR 1.2 10 3
Surge arrester
for protection of dc networks and
rectifiers against atmospheric
and switching surges
according to IEC 99-4 / EN 60099-4
High temperature vulcanised (HTV), hydrophobic
silicon enclosure
Pregreg sheet
High bending resistance
Unbreakable at overloads
Rated voltage: Ur = 1.2 kV
Continuous operating voltage: Uc = 1 kV
Nominal discharge current: In = 10 kA (8/20)
Line discharge class: 3
Ambient temperature: (-55...+55) °C
Creepage distance: 230 mm
HTV-silicon enclosure:: h = 173 mm;
RAL 7040

Brand: DEHN
Type: DTR 1.2 10 3
Part No.: 990301
or equivalent.

Technical data

Rated voltage (d.c.) (U_r )	1.2 kV
Continuous operating voltage (d.c.) (MCOV) (U_C )	1.0 kV
Height (H)	173 mm
Creepage distance (+/- 5%)	230 mm

Nominal discharge current (8/20 µs) (I_n )	10 kA
High current impulse (4/10 µs)	100 kA
Long duration current impulse	1000 A / 2000 µs
Line discharge class	4 (10 kJ/kV_Ur)
Rated voltage (d.c.) (U_r )	1.2 kV
Continuous operating voltage (d.c.) (MCOV) (U_C )	1.0 kV
Residual voltage at 10 kA (1/2 µs) (û_res )	2.9 kV
Residual voltage at 5 kA (8/20 µs) (û_res )	2.5 kV
Residual voltage at 10 kA (8/20 µs) (û_res )	2.6 kV
Residual voltage at 20 kA (8/20 µs) (û_res )	2.9 kV
Residual voltage at 250 A (30/70 µs) (û_res )	2.1 kV
Residual voltage at 500 A (30/70 µs) (û_res )	2,2 kV
Residual voltage at 1000 A (30/70 µs) (û_res )	2.3 kV
Insulation of arrester housing / nominal power frequency withstand voltage (wet) (U_PFWL )	≥ 40 kV
Insulation of arrester housing / nominal switching withstand voltage (wet) (U_SIWL )	≥ 50 kV
Height (H)	173 mm
Weight (M)	3 kg
Creepage distance (+/- 5%)	230 mm
Mechanical shock resistance acc. to IEC 68 Part 2-29	15 g
Vibration resistance acc. to IEC 68 Part 2-6	3 g (10-500 Hz)
Ambient temperature (T_A )	-40 °C ... +55 °C
Housing material	silicone
Colour	grey, RAL 7040
Fittings	Al cast alloy
Connections	stainless steel terminals and screws

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Part No. 990302 DTR 2.4 10 3

GTIN 4013364103092, Customs tariff No. (EU): 85354000, Gross weight: 3.00 kg, PU: 1.00 Stk

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Surge arrester DTR 2.4 10 3
Surge arrester
for protection of d.c. networks and
rectifiers against atmospheric
and switching surges
according to IEC 99-4 / EN 60099-4
High temperature vulcanised (HTV), hydrophobic
silicon enclosure
Pregreg sheet
High bending resistance
Unbreakable at overloads
Rated voltage: Ur = 2.4 kV
Continuous operating voltage: Uc = 2.0 kV
Nominal discharge current: In = 10 kA (8/20)
Line discharge class: 3
Ambient temperature: (-55...+55) °C
Creepage distance: 237 mm
HTV-silicon enclosure:: h = 180 mm;
RAL 7040

Brand: DEHN
Type: DTR 2.4 10 3
Part No.: 990302
or equivalent.

Technical data

Rated voltage (d.c.) (U_r )	2.4 kV
Continuous operating voltage (d.c.) (MCOV) (U_C )	2.0 kV
Height (H)	180 mm
Creepage distance (+/- 5%)	237 mm

Nominal discharge current (8/20 µs) (I_n )	10 kA
High current impulse (4/10 µs)	100 kA
Long duration current impulse	1000 A / 2000 µs
Line discharge class	4 (10 kJ/kV_Ur)
Rated voltage (d.c.) (U_r )	2.4 kV
Continuous operating voltage (d.c.) (MCOV) (U_C )	2.0 kV
Residual voltage at 10 kA (1/2 µs) (û_res )	5.5 kV
Residual voltage at 5 kA (8/20 µs) (û_res )	4.8 kV
Residual voltage at 10 kA (8/20 µs) (û_res )	5.0 kV
Residual voltage at 20 kA (8/20 µs) (û_res )	5.5 kV
Residual voltage at 250 A (30/70 µs) (û_res )	4.0 kV
Residual voltage at 500 A (30/70 µs) (û_res )	4.1 kV
Residual voltage at 1000 A (30/70 µs) (û_res )	4.2 kV
Insulation of arrester housing / nominal power frequency withstand voltage (wet) (U_PFWL )	≥ 40 kV
Insulation of arrester housing / nominal switching withstand voltage (wet) (U_SIWL )	≥ 50 kV
Height (H)	180 mm
Weight (M)	3 kg
Creepage distance (+/- 5%)	237 mm
Mechanical shock resistance acc. to IEC 68 Part 2-29	15 g
Vibration resistance acc. to IEC 68 Part 2-6	3 g (10-500 Hz)
Ambient temperature (T_A )	-40 °C ... +55 °C
Housing material	silicone
Colour	grey, RAL 7040
Fittings	Al cast alloy
Connections	stainless steel terminals and screws

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Part No. 990303 DTR 3.6 10 3

GTIN 4013364103108, Customs tariff No. (EU): 85354000, Gross weight: 3.00 kg, PU: 1.00 Stk

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Surge arrester DTR 3.6 10 3
Surge arrester
for protection of dc networks and
rectifiers against atmospheric
and switching surges
according to IEC 99-4 / EN 60099-4
High temperature vulcanised (HTV), hydrophobic
silicon enclosure
Pregreg sheet
High bending resistance
Unbreakable at overloads
Rated voltage: Ur = 3.6 kV
Continuous operating voltage: Uc = 3.0 kV
Nominal discharge current: In = 10 kA (8/20)
Line discharge class: 3
Ambient temperature: (-55...+55) °C
Creepage distance: 244 mm
HTV-silicon enclosure:: h = 187 mm;
RAL 7040
Shock resistance: 15 g
according to DIN IEC 68 Part 2.29
Vibration resistance: 3 g (10-500 Hz)
according to DIN IEC 68 Part 2-6
Supply and mount

Brand: DEHN
Type: DTR 3.6 10 3
Part No.: 990303
or equivalent.

Technical data

Rated voltage (d.c.) (U_r )	3.6 kV
Continuous operating voltage (d.c.) (MCOV) (U_C )	3.0 kV
Height (H)	187 mm
Creepage distance (+/- 5%)	244 mm

Nominal discharge current (8/20 µs) (I_n )	10 kA
High current impulse (4/10 µs)	100 kA
Long duration current impulse	1000 A / 2000 µs
Line discharge class	4 (10 kJ/kV_Ur)
Rated voltage (d.c.) (U_r )	3.6 kV
Continuous operating voltage (d.c.) (MCOV) (U_C )	3.0 kV
Residual voltage at 10 kA (1/2 µs) (û_res )	8.3 kV
Residual voltage at 5 kA (8/20 µs) (û_res )	7.3 kV
Residual voltage at 10 kA (8/20 µs) (û_res )	7.6 kV
Residual voltage at 20 kA (8/20 µs) (û_res )	8.3 kV
Residual voltage at 250 A (30/70 µs) (û_res )	6.1 kV
Residual voltage at 500 A (30/70 µs) (û_res )	6.2 kV
Residual voltage at 1000 A (30/70 µs) (û_res )	6.4 kV
Insulation of arrester housing / nominal power frequency withstand voltage (wet) (U_PFWL )	≥ 40 kV
Insulation of arrester housing / nominal switching withstand voltage (wet) (U_SIWL )	≥ 50 kV
Height (H)	187 mm
Weight (M)	3 kg
Creepage distance (+/- 5%)	244 mm
Mechanical shock resistance acc. to IEC 68 Part 2-29	15 g
Vibration resistance acc. to IEC 68 Part 2-6	3 g (10-500 Hz)
Ambient temperature (T_A )	-40 °C ... +55 °C
Housing material	silicone
Colour	grey, RAL 7040
Fittings	Al cast alloy
Connections	stainless steel terminals and screws

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Part No. 990304 DTR 4.8 10 3

GTIN 4013364103115, Customs tariff No. (EU): 85354000, Gross weight: 3.00 kg, PU: 1.00 Stk

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Additional information

Surge arrester DTR 4.8 10 3
Surge arrester
for protection of dc systems and
rectifiers against atmospheric
and switching surges
according to IEC 99-4 / EN 60099-4
High temperature vulcanised (HTV), hydrophobic
silicon enclosure
Pregreg sheet
High bending resistance
Unbreakable at overloads
Rated voltage: Ur = 4.8 kV
Continuous operating voltage: Uc = 4.0 kV
Nominal discharge current: In = 10 kA (8/20)
Line discharge class: 3
Ambient temperature: (-55...+55) °C
Creepage distance: 250 mm
HTV-silicon enclosure:: h = 193 mm;
RAL 7040

Brand: DEHN
Type: DTR 4.8 10 3
Part No.: 990304
or equivalent.

Technical data

Rated voltage (d.c.) (U_r )	4.8 kV
Continuous operating voltage (d.c.) (MCOV) (U_C )	4.0 kV
Height (H)	193 mm
Creepage distance (+/- 5%)	250 mm

Nominal discharge current (8/20 µs) (I_n )	10 kA
High current impulse (4/10 µs)	100 kA
Long duration current impulse	1000 A / 2000 µs
Line discharge class	4 (10 kJ/kV_Ur)
Rated voltage (d.c.) (U_r )	4.8 kV
Continuous operating voltage (d.c.) (MCOV) (U_C )	4.0 kV
Residual voltage at 10 kA (1/2 µs) (û_res )	10.9 kV
Residual voltage at 5 kA (8/20 µs) (û_res )	9.5 kV
Residual voltage at 10 kA (8/20 µs) (û_res )	10.0 kV
Residual voltage at 20 kA (8/20 µs) (û_res )	10.9 kV
Residual voltage at 250 A (30/70 µs) (û_res )	7.9 kV
Residual voltage at 500 A (30/70 µs) (û_res )	8.1 kV
Residual voltage at 1000 A (30/70 µs) (û_res )	8.3 kV
Insulation of arrester housing / nominal power frequency withstand voltage (wet) (U_PFWL )	≥ 40 kV
Insulation of arrester housing / nominal switching withstand voltage (wet) (U_SIWL )	≥ 50 kV
Height (H)	193 mm
Weight (M)	3 kg
Creepage distance (+/- 5%)	250 mm
Mechanical shock resistance acc. to IEC 68 Part 2-29	15 g
Vibration resistance acc. to IEC 68 Part 2-6	3 g (10-500 Hz)
Ambient temperature (T_A )	-40 °C ... +55 °C
Housing material	silicone
Colour	grey, RAL 7040
Fittings	Al cast alloy
Connections	stainless steel terminals and screws

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DEHNtrack

Surge Arrester for d.c. Voltage Systems > 1 kV

Part No. 990301 DTR 1.2 10 3

Product 990301 was added to Notepad.

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Part No. 990302 DTR 2.4 10 3

Product 990302 was added to Notepad.

Product 990302 was added to the cart.

Part No. 990303 DTR 3.6 10 3

Product 990303 was added to Notepad.

Product 990303 was added to the cart.

Part No. 990304 DTR 4.8 10 3

Product 990304 was added to Notepad.

Product 990304 was added to the cart.