ES-8234 Rev.7
MDP-LWA
Lightning Surge Protectors for
Electronics Equipment M-RESTER
LIGHTNING SURGE PROTECTOR FOR
LonWorks
(FTT-10A)
Functions & Features
• Designed specifically for the network
• No interruption of transmission signal by unplugging the head element module
MODEL: MDP–LWA[1]
ORDERING INFORMATION
• Code number: MDP-LWA[1]
Specify a code from below for [1].
(e.g. MDP-LWA/A33/Q)
• Specify the specification for option code /Q
(e.g. /C01)
[1] OPTIONS (multiple selections)
DIN Rail Mounting Adapter
blank
: Without
/A33
: With adapter (model A-33)
Other Options
blank
: none
/Q
: Option other than the above (specify the specification)
SPECIFICATIONS OF OPTION: Q
COATING (For the detail, refer to our web site.)
/C01
: Silicone coating
/C02
: Polyurethane coating
/C03
: Rubber coating
APPLICABLE NETWORK
LonWorks FTT-10A network
This unit is not applicable to LonWorks Link Power network.
GENERAL SPECIFICATIONS
Construction
: Plug-in
Connection
: M4 screw terminals (torque 0.8 N·m)
Screw terminal
: Nickel-plated steel
Housing material
: Flame-resistant resin (black)
INSTALLATION
Operating temperature
: -5 to +55°C (23 to 131°F)
Operating humidity
: 30 to 90 %RH (non-condensing)
Mounting
: Surface or DIN rail
Weight
: 100 g (0.22 lb), standard; 125 g (0.28 lb), with DIN rail mounting adapter
PERFORMANCE
Max. continuous operating voltage
(Uc)
:
Line to line: ±1.5 V
Line to earth: ±100 V
SHLD to earth: ±160 V
Voltage protection level (Up)
:
• @ 2 kV (1 kA)
Line to line: ±40 V
Line to earth: ±350 V
SHLD to earth: ±650 V
Response time
:
Line to line: ≤ 4 nsec.
Line or SHLD to earth: ≤ 20 nsec.
Leakage current
:
Line to line: ≤ 0.15 mA @ ±1.5 V
Line to earth: ≤ 20 μA @ ±100 V
SHLD to earth: ≤ ±20 μA @ ±160 V
Max. discharge current (Imax)
: 5000 A (8 / 20 μs)
Nominal current (I
N
)
: 100 mA
Internal series resistance
: ≤ 3.3 Ω including return
Capacitance @ 1 MHz
:
Line to line: ≤ 200 pF
Line to earth: ≤ 200 pF
SHLD to earth: ≤ 30 pF
Input attenuation
: -1 dB or less @ DC to 100 kHz, Z
0
= 50 Ω
Surge protection
: IEC 61643-21 Categories C1, C2
CONNECTION EXAMPLES
GROUNDING
EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm [inch]
MOUNTING REQUIREMENTS unit: mm [inch]
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM