Type 3 surge protection device - BLT-T3-230-A - 1038841

Type 3 surge protection for universal installation in installation boxes, sill-type trunking, underfloor installations. Circuit with thermal monitoring, acoustic fault warning.



Technical data




Dimensional drawing  

Dimensional drawing

Circuit diagram  

Circuit diagram

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Height 31 mm
Width 12.5 mm
Depth 36 mm
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Ambient conditions

Degree of protection IP20 (Installed)
Ambient temperature (operation) -20 °C ... 70 °C
Ambient temperature (storage/transport) -20 °C ... 70 °C
Altitude ≤ 2000 m (amsl (above mean sea level))
Permissible humidity (operation) 5 % ... 95 %
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EN type T3
IEC power supply system TN-S
Number of ports One
Mode of protection L-N
Mounting type in device sockets and conductor routing systems made of insulating material
Color light grey RAL 7035
Housing material PA 6.6-FR
Degree of pollution 2
Flammability rating according to UL 94 V-0
Type Socket mounting module
Number of positions 2
Surge protection fault message Acoustic
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Protective circuit

Nominal voltage UN 230 V AC (TN-S)
230 V AC (TT - only in use with RCD)
Nominal frequency fN 50 Hz (60 Hz)
Maximum continuous voltage UC 255 V AC
Residual current IPE ≤ 5 µA
Reference test voltage UREF 255 V AC
Max. discharge current Imax (8/20) µs 4 kA
Combination wave UOC 6 kV
Voltage protection level Up ≤ 1.5 kV
TOV behavior at UT (L-N) 440 V AC (5 s / withstand mode)
440 V AC (120 min / withstand mode)
TOV behavior at UT (L-PE) 440 V AC (5 s / withstand mode)
440 V AC (120 min / withstand mode)
1455 V AC (200 ms / safe failure mode)
TOV behavior at UT (N-PE) 1200 V AC (200 ms / safe failure mode)
Response time tA (L-N) ≤ 25 ns
Response time tA (L-PE) ≤ 100 ns
Response time tA (N-PE) ≤ 100 ns
Max. required back-up fuse 16 A (MCB B)
Short-circuit current rating ISCCR 1.5 kA AC
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Connection data

Connection method Single wires
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Standards and Regulations

Standards/specifications IEC 61643-11 2011
EN 61643-11 2012
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Environmental Product Compliance

REACh SVHC Lead 7439-92-1
China RoHS Environmentally Friendly Use Period = 50
For details about hazardous substances go to tab “Downloads”, Category “Manufacturer's declaration”
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eCl@ss 6.0 27130800
eCl@ss 7.0 27130806
eCl@ss 8.0 27130806
eCl@ss 9.0 27130806
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ETIM 5.0 EC000942
ETIM 6.0 EC000942
ETIM 7.0 EC000942
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Unit 15C, 906-930 Great South Road, Penrose
Auckland 1061
New Zealand

Phone: 0508 474 636
Toll Free (Local)
09 950 8495
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