MODEL: MAT3
Lightning Surge Protectors for
Electronics Equipment M-RESTER
[2] ALARM OUTPUT
A: With
Y: Without
LIGHTNING SURGE PROTECTOR
GENERAL SPECIFICATIONS
Construction: Standalone; terminal access at the front
Degree of protection: IP20 (If the solderless terminals are
covered with insulation tubes.)
FOR THREE-PHASE POWER SUPPLY
Functions & Features
• Connected in parallel between the power and earth lines
regardless of load current
Surge protection type: Voltage limiting type one-port SPD
Connection
• Applicable to single phase 2/3-wire and threephase 3/4-
wire system
Line: M5 screw terminal (torque: 2.5 N·m)
Alarm output: Tension clamp
• High discharge current capacity 20 kA or 40 kA (8/20 μs)
• Degraded head element is automatically separated from
the power lines by the incorporated thermal breaker, and
the LED lamp (turns off) and the relay contact alerts the
failure status.
Applicable wire size
Line: See the drawing below.
Alarm output: 0.13 to 1.5 mm2, stripped length 8 mm
Screw terminal
• Complies with IEC 61643-11 Class II
Line: Nickel-plated steel
Alarm output: Tin-plated copper alloy
Housing material: Flame-resistant resin (black)
Alarm output: SPDT relay contact trips when the thermal
breaker operates.
Typical Applications
• Low-voltage distribution board
• Combination with installation for large load current
OUTPUT TERMINAL A1 – C
50 (1.97)
Normal: Open
Failure or power off: Close
OUTPUT TERMINAL A2 – C
Normal: Close
98
Failure or power off: Open
(3.86)
Rated load:
250 V AC @1 A (resistive load)
24 V DC @1 A (resistive load)
Safety function: Thermal breaker incorporated
Monitor LED: Green LED turns on during normal condition
and turns off during failure condition, power off or the
thermal breaker operating.
60 (2.36)
mm (inch)
MODEL: MAT3–240[1]M[2]
• Applicable Solderless Terminal Size
diameter d
d : M5 use
ORDERING INFORMATION
• Code number: MAT3-240[1]M[2]
Specify a code from below for each of [1] and [2].
(e.g. MAT3-2403MY)
B ≤ 13.0 mm
F ≥ 7.0 mm
(F ≥ 8.2 mm for sharing terminals)
T ≤ 1.8 mm
F
OPERATIONAL VOLTAGE
240: 240 V AC
[1] POWER SYSTEM
3: Single-phase 2/3-wire, Three-phase 3-wire
INSTALLATION
Operating temperature: -5 to +55°C (23 to 131°F)
Operating humidity: 5 to 95 %RH (non-condensing)
Mounting: DIN Rail
4: Single-phase 2/3-wire, Three-phase 3/4-wire
Weight: 300 g (0.66 lb)
MAXIMUM DISCHARGE CURRENT
M: 20kA (8/20 μsec.)
MAT3 SPECIFICATIONS
ES-8164 Rev.3 Page 1/5
http://www.m-system.co.jp/