Datasheet > MD7AST-24FG/Q

MD7AST-24FG/Q

更新时间： 2022-05-14 22:22:21

品牌	Logo	应用领域
爱模 - MSYSTEM		/
页数	文件大小	规格书
4页	127K
描述
Lightning Surge Protectors for

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MD7AST-24FG/Q 数据手册

MODEL: MD7AST

Lightning Surge Protectors for

Electronics Equipment M-RESTER

[2] SHIELD TERMINAL (line / earth)

FF: Floating / Floating

FG: Floating / Grounding

LIGHTNING SURGE PROTECTOR FOR

[3] OPTIONS

blank: none

STANDARD SIGNAL LINE

(ultra-slim; life monitor)

/Q: With options (specify the specification)

Functions & Features

• High discharge current capacity 20 kA (8 / 20 μs), 1 kA (10

/ 350 μs)

SPECIFICATIONS OF OPTION: Q

COATING (For the detail, refer to M-System's web site.)

/C01: Silicone coating

• Ultra-thin 7-mm-wide module can be mounted

in high density

• Excellent protection employing multi-stage SPD circuits

• DIN rail mounting and grounding

• Shield terminal provided

/C02: Polyurethane coating

GENERAL SPECIFICATIONS

Construction: Slim-sized front terminal structure

Degree of protection: IP20

• Life monitor function helps you to decide when you should

replace the surge protector; reduces maintenance and

prevents downtime

Connection: Euro terminal block (torque 0.3 N·m)

• Incorporated battery

Applicable wire size: 0.2 – 2.5 mm

2, stripped length 8 mm

• Pressing CHK (Check) button confirms with

LEDs the degradation and life span of the surge protection

circuits

Grounding: DIN Rail

Housing material: Flame-resistant resin (black)

Indicators: Activated by CHK (Check) button

BAT: Green LED

ALM: Red LED

Degradation judged: When the leakage current at the

voltage limiter exceeds approx. 7.5 μA.

Life time judged: When the count of the discharge element

discharging reaches the expected life span.

CHK button: Push button; momentary

7 [.28]

[3.74]

Battery: Lithium; No recharge or replacement available.

Battery life: 10 years (when used ≤ 2 minutes/month)

100

[3.94]

INSTALLATION

mm [inch]

Operating temperature: -5 to +55°C (23 to 131°F)

Operating humidity: 30 to 90 %RH (non-condensing)

Mounting: DIN Rail (TH35-7.5, 1-mm-thick)

Oxide film on the surface of an aluminium DIN rail may

lower the electric conductivity between this module and the

ground. Use a steel or copper rail.

MODEL: MD7AST–[1][2][3]

Weight: 70 g (2.5 oz)

ORDERING INFORMATION

• Code number: MD7AST-[1][2][3]

Specify a code from below for each of [1] through [3].

(e.g. MD7AST-24FF/Q)

• Specify the specification for option code /Q

(e.g. /C01)

[1] NOMINAL VOLTAGE

24: 24 V DC

60: 60 V DC

MD7AST SPECIFICATIONS

ES-8067 Rev.5 Page 1/4

https://www.m-system.co.jp/

12 3 4

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