MAT2 LIGHTNING SURGE PROTECTOR FOR THREE-PHASE POWER SUPPLY

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MAT2

Lightning Surge Protectors for
Electronics Equipment M-RESTER

LIGHTNING SURGE PROTECTOR
FOR THREE-PHASE POWER SUPPLY

Functions & Features
• Connected in parallel between the power and earth lines regardless of load current
• Applicable to single phase 2/3-wire and threephase 3/4-wire system
• 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.
• Complies with IEC 61643-1 Class II
Typical Applications
• Low-voltage distribution board
• Combination with installation for large load current

MODEL: MAT2–[1][2][3][4]

ORDERING INFORMATION

• Code number: MAT2-[1][2][3][4]
Specify a code from below for each of [1] through [4].
(e.g. MAT2-2403MY)

[1] OPERATIONAL VOLTAGE

240: 240 V AC
440: 440 V AC

[2] POWER SYSTEM

3: Single-phase 2/3-wire, Three-phase 3-wire
(Select ‘240’ for ‘Operational voltage’ code.)
4: Single-phase 2/3-wire, Three-phase 3/4-wire

[3] MAXIMUM DISCHARGE CURRENT

M: 20kA (8/20 μsec.)
H: 40kA (8/20 μsec.)

[4] ALARM OUTPUT

A: With
Y: Without

GENERAL SPECIFICATIONS

Construction: Standalone; terminal access at the front
Degree of protection: IP20 (If the solderless terminals are covered with insulation tubes.)
Surge protection type: Voltage limiting type one-port SPD
Connection
Line: M5 screw terminal (torque: 2.5 N·m)
Alarm output: Tension clamp
Applicable wire size
Line: See the drawing below.
Alarm output: 0.13 to 1.5 mm², stripped length 8 mm
Screw terminal
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.
OUTPUT TERMINAL A1 – C
Normal: Open
Failure or power off: Close
OUTPUT TERMINAL A2 – C
Normal: Close
Failure or power off: Open
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.

INSTALLATION

Operating temperature: -5 to +55°C (23 to 131°F)
Operating humidity: 30 to 90 %RH (non-condensing)
Mounting: DIN Rail
Weight: 300 g (0.66 lb)

PERFORMANCE

Response time: ≤ 3 nanoseconds (≤ 20 nanoseconds for N to PE)
Insulation resistance: ≥ 100 MΩ with 500 V DC (line to alarm output)
Dielectric strength: 2000 V AC @1 minute (line to alarm output)
Surge protection: IEC 61643-1 Class II
EN 61643-11 Class II