MAKF-400 [MSYSTEM]

Lightning Surge Protectors for Electronics Equipment M-RESTER;


型号：	MAKF-400
厂家：	M-SYSTEM
描述：	Lightning Surge Protectors for Electronics Equipment M-RESTER
文件：	总5页 (文件大小：172K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

MODEL: MAKF

Lightning Surge Protectors for

Electronics Equipment M-RESTER

[2] OPTIONS

Configuration

/AN: Without alarm output

/BN: Head element for replacement

ONE-PORT SURGE PROTECTOR FOR

POWER SUPPLY USE

Functions & Features

RELATED PRODUCTS

•Single mount adaptor (model: MBS)

•Wiring bridge (model: CNB)

• Designed to protect electronics equipment from induced

lightning surges entering through power supply cables

• Connected in parallel between the power and

ground lines regardless of load current

GENERAL SPECIFICATIONS

Construction: Plug-in

• Varistor discharge element has a high speed response

without follow current

Degree of protection: IP20 (If the solderless terminals are

covered with insulation tubes.)

• No interruption of power supply even when the head

element is removed: easy maintenance and replacing

• Degraded head element is automatically separated from

the power lines to prevent overheating, with a relay contact

output to alert the failure status

Surge protection type: Voltage limiting type one-port SPD

Connection

Line: M5 screw terminal (spring up-screw type)

(torque: 2.5 N·m)

• Head-base connection is keyed so that only a head

element of correct line voltage can be mounted

Alarm output: Euro type connector terminal

(torque: 0.25 N·m)

Applicable wire size

Typical Applications

Line connection: See the sloderless terminal drawing.

• Low-voltage distribution board

• Combination with installation for large load current

Alarm output: 0.14 to 1.5 mm , stripped length 7 mm

Housing material: Flame-resistant resin (black)

Alarm output: The SPDT relay trips when the thermal

breaker operates and/or the head element is removed.

Rated load: 250 V AC @0.5 A (resistive load)

125 V DC @0.2 A (resistive load)

18 ( .71)

Minimum switching load: 5 V DC, 1 mA

(3.82)

Line voltage identification key: The connection of the head

element and the base is keyed for exact matching.

Safety function: Thermal breaker incorporated

Failure indicator: The check window color changes from

green (normal) to black (failed and the thermal breaker

separated the M-rester from the circuit).

(2.56)

mm (inch)

• Applicable Solderless Terminal Size

diameter d

d : M5 use

MODEL: MAKF–[1][2]

B ≤ 13.0 mm

F ≥ 7.0 mm

T ≤ 1.8 mm

ORDERING INFORMATION

• Code number: MAKF-[1][2]

Specify a code from below for each of [1] and [2].

(e.g. MAKF-120/AN)

[1] OPERATIONAL VOLTAGE

120: 120 V AC

INSTALLATION

240: 240 V AC

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

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

Mounting: DIN rail; Surface mounting available with the

Single Mount Adaptor model: MBS.

280: 280 V AC

400: 400 V AC

480: 480 V AC

Weight: 100 g (3.53 oz)

MAKF SPECIFICATIONS

ES-8143 Rev.3 Page 1/5

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

MODEL: MAKF

PERFORMANCE

Response time: ≤ 20 nsec.

Maximum discharge current: 20kA × twice (8/20 μsec.)

Nominal discharge current: 5 kA (8/20 μsec.)

Insulation resistance: ≥ 100 MΩ with 500 V DC (line to

alarm output)

Dielectric strength: 2000 V AC @ 1 minute (line to alarm

output)

Leakage current: ≤ 1 mA at the discharge voltages listed in

the table below.

MODEL

DISCHARGE

VOLTAGE

@1.0kA (8/20 µs) @5kA (8/20 µs)

(AC) (V) (Vmin)

(Vmax)

MAKF-120

MAKF-240

MAKF-280

150

275

320

250

420

460

600

1000

1100

800

1400

1500

MAKF-400

MAKF-480

440

530

670

820

1500

1800

2100

2500

Uc = Maximum continuous operational voltage

Up = Voltage protection level

CONNECTION EXAMPLES

■CONFIGURATION EXAMPLE: Single-phase / 2-wire connection

*1. The circuit breaker must be installed.

Molded-case circuit breakers (MCCB), earth leakage circuit breakers (ELCB) or

current-limiting fuses (slow-blow type only) can be used.

Protected

Device

Circuit

Breaker ‘a’

The rated interrupting capacity of the circuit breaker must be greater than the highest

amount of current that could be available in the circuit.

The MCCB or ELCB must has elements at both poles.

Circuit

Breaker ‘b’

Time-delay type over-current protection is recommended for an ELCB.

Recommended sensitivity current rating: 30mA

*2. If the rated current of the circuit breaker ‘a’ exceeds 30A, or if the loss of power supply

to the protected device should be prevented when the circuit breaker ‘a’ blows due to

a surge protector failure, install the circuit breaker ‘b’ (rated current 20-30 A) at the

branch circuit.

MAKF

*3. Cable length between the branch point and the grounding:

0.5 meters or less recommended.

Cross-wiring

*4. The protected device’s metal housing must be cross-wired to the ground terminal of

the MAKF. If the protected device has no ground terminal, ground only the MAKF.

*5. In order to protect an electronic circuit such as switching regulartors, we recommend

to use surge protectors which have serial impedance incorporated such as

M-System’s models MAX, MMA, MAH.

Grounding (100Ω or less)

MAKF SPECIFICATIONS

ES-8143 Rev.3 Page 2/5

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

MODEL: MAKF

■CONNECTION EXAMPLES BY POWER SYSTEMS

Abnormal voltages appearing in case of a light load or a

ground loop must be within the maximum continuous op-

erational voltage when selecting the MAKF models.

For example, the IEC 60364-5-534 (Electrical installations

of building; devices for protection against overvoltages) re-

quires margins determined by the equations below:

•Three-phase/3-wire (delta connection)

Power

Source

Protected

Device

Circuit

Breaker

(N)

MAKF

POWER SYSTEM

Uc (Max. Continuous Operational Voltage)

3ph/4w, Y connec, TT system Uc ≥ 1.5 × Phase Voltage

3ph/4w, Y connec, TN system Uc ≥ 1.1 × Phase Voltage

POWER SYSTEM

MODEL NO.

3ph/4w, Y connec, IT system

Uc ≥ Line Voltage

3-phase/3-wire, 200V AC

3-phase/3-wire, 220V AC

3-phase/3-wire, 400V AC

3-phase/3-wire, 440V AC

MAKF-240x

MAKF-400x

MAKF-480x

•Single-phase/2-wire connection

Power

Source

Protected

Device

Circuit

Breaker

•Three-phase/4-wire (star connection, TT system)

Power

MAKF

Source

Protected

Device

Circuit

Breaker

MAKF

POWER SYSTEM

MODEL NO.

1-phase/2-wire, 100V AC

1-phase/2-wire, 200V AC

1-phase/2-wire, 250V AC

MAKF-120x

MAKF-240x

POWER SYSTEM

MODEL NO.

•Single-phase/2-wire

3-phase/4-wire, 200/115V AC

3-phase/4-wire, 220/127V AC

3-phase/4-wire, 380/220V AC

3-phase/4-wire, 415/240V AC

MAKF-240x

MAKF-400x

MAKF-480x

(three-phase delta connection grounded in the middle of

phases) or single-phase/3-wire connection

Power

Source

Protected

Device

Circuit

Breaker

•Three-phase/4-wire (star connection, TN system)

Power

Source

Protected

Device

Circuit

Breaker

MAKF

PEN

MAKF

POWER SYSTEM

MODEL NO.

1-phase/2-wire, 100V AC

1-phase/2-wire, 200V AC

MAKF-240x

MAKF-400x

MAKF-240x

MAKF-400x

1-phase/3-wire, 200/100V AC

1-phase/3-wire, 400/200V AC

POWER SYSTEM

MODEL NO.

3-phase/4-wire, 200/115V AC

3-phase/4-wire, 400/230V AC

3-phase/4-wire, 480/277V AC

3-phase/4-wire, 690/400V AC

MAKF-120x

MAKF-240x

MAKF-280x

MAKF-400x

■ALARM OUTPUT

When the alarm output is to be transmitted remotely via

outdoor cables, a surge protector for the signal line is re-

quired.

Choose a circuit breaker with alarm output. Conﬁgure a

logical addition sequence so that the alarm trips when both

or either of the MAKF or the breaker alarm trips.

MAKF SPECIFICATIONS

ES-8143 Rev.3 Page 3/5

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

MODEL: MAKF

EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm (inch)

■HEAD ELEMENT & BASE, COMBINED

SOLDERLESS TERMINAL

ACCESS PORT

5 (.20)

[30 (1.18)]

DIN RAIL

TERMINAL BLOCK FOR

ALAMR OUTPUT (optional)

[1 (.04)]

BASE

HEAD ELEMENT

[1.5 (.06)]

CHECK WINDOW

DIN RAIL

35mm wide

SPECIFICATION LABEL

2–M5 SCREW

DIN RAIL ADAPTOR

GRIP

18 (.71)

51 (2.01)

65 (2.56)

[1 (.04)]

A : Place marking labels here.

•When mounting, no extra space is needed between units.

■HEAD ELEMENT & BASE, SEPARATED

■MARKING LABELS

(terminal identifiers, tag name labels)

VOLTAGE ID KEY

GUIDING RAIL

ALARM OUTPUT

LEVER

SOCKET

BASE

SPECIFICATION

LABEL

PLUG

MOUNT POSITION KEY

MAKF SPECIFICATIONS

ES-8143 Rev.3 Page 4/5

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

MODEL: MAKF

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM

Head Element

LINE / GND

Discharge

Element

Thermal

Breaker

Failure

Indicator

GND / LINE

ALARM

OUTPUT

Base

* M5 screw terminal

**Terminal block provided for the alarm output option.

Specifications are subject to change without notice.

MAKF SPECIFICATIONS

ES-8143 Rev.3 Page 5/5

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

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