TP48 Series

Product Name:TP48 Series
Product Model:TP48-N,TP48-I,TP48-G,TP48-3-N,TP48-3-I,TP48-3-G,TP48-4-N,T
Updated:2009.12.02
Views:59

TP48 Series
Specifi cation
All fi gures typical at 77°F (25°C) unless otherwise stated
Maximum surge current
10kA peak current (8/20μs waveform)
Leakage current
Less than 10μA at maximum working voltage
Working voltage
48V dc maximum
Bandwidth
1MHz
Resistance
No resistance introduced into loop
Ambient temperature limits
-40°C to +85°C (-40°F to +185°F) (working)
-40°C to +85°C (-40°F to +185°F) (storage)
Humidity
5% to 95% RH (non-condensing)
Electrical connections
TP48
3 fl ying leads (line1, line 2 & earth)
TP48 3 Wire
4 fl ying leads (+ve, -ve, signal & earth)
TP48 4 Wire
5 fl ying leads (+ve, -ve, signal +ve, signal -ve, earth)
Wire size 32/0.2 (1.0mm2, 18 AWG)
Lead length 250mm (minimum)
Casing
ANSI 316 stainless steel hexagonal barstock, male
thread
Threads
TP48-3-N & TP48-4-N 1/2” NPT
TP48-3-I & TP48-4-1 20mm ISO )M20 x 1.5)
TP48-3-G & TP48-4-G G 1/2” (BSP 1/2”)
Weight
175g (6.2oz)
Dimensions
See fi gure 1
EMC compliance
To Generic Immunity Standards EN50082, part 2 for
industrial environments
Electrical safety
EEx ia IIC T4, Ceq=O, Leq=0; the unit can be connected
without further certifi cation into any intrinsically
safe loop with open circuit voltage <60V and input
power <1.2W.
EEx d IIC T4; the unit is apparatus-approved to fl ame
proof (explosionproof) standards, and can be fi tted
into a similarly approved housing.
Model | TP48 Series | |
Nominal voltage | Un | 48V |
Rated voltage (MCOV) | Uc | 58V |
Nominal current | In | n/a |
Nominal discharge current (8/20μs) | isn | 3kA |
Max discharge current (8/20μs) | Imax | 10kA |
Lightning impulse current (10/350μs) | Iimp | 2.5kA |
Residual voltage @ isn | Up | 92V |
Voltage protection level @ 1kV/μs | Up | <76V |
Bandwidth | fG | 1MHz |
Capacitance | C | 100pF |
Series resistance | R | n/a |
Operating Temperature Range | -40°C to +85°C | |
Category tested | A2, B2, C1, C2, C3, D1 | |
Overstressed fault mode in=3kA | 12kA | |
Impulse durability (8/20μs) | 10kA | |
Degree of protection | IP66 | |
AC durability | 1Arms, 5T | |
Service conditions | 80kPa - 160kPa 5% - 95% RH |


TP48-I Non-certifi ed SPD - 20mm ISO thread
TP48-G Non-certifi ed SPD - G 1/2” (BSP 1/2 inch)
TP48-N-NDI Certifi ed SPD - 1/2” NPT thread
TP48-I-NDI Certifi ed SPD - 20mm ISO thread
TP48-G-NDI Certifi ed SPD - G 1/2” (BSP 1/2 inch)

TP48-3-I Non-certifi ed SPD - 20mm ISO thread
TP48-3-G Non-certifi ed SPD - G 1/2” BSP 1/2 inch
TP48-3-N-NDI Certifi ed SPD - 1/2” NPT thread
TP48-3-I-NDI Certifi ed SPD - 20mm ISO thread
TP48-3-G-NDI Certifi ed SPD - G 1/2” - BSP 1/2 inch

TP48-4-I Non-certifi ed SPD - 20mm ISO thread
TP48-4-G Non-certifi ed SPD - G 1/2” BSP 1/2 inch
TP48-4-N-NDI Certifi ed SPD - 1/2” NPT thread
TP48-4-I-NDI Certifi ed SPD - 20mm ISO thread
TP48-4-G-NDI Certifi ed SPD - G 1/2” - BSP 1/2 inch