M-system MAKN Bedienungsanleitung

MODEL: MAKN

MAKN SPECIFICATIONS ES-8142 Rev.1 Page 1/6

Lightning Surge Protectors for

Electronics Equipment M-RESTER

ONE-PORT SURGE PROTECTOR

BETWEEN NEUTRAL AND PROTECTIVE EARTH

Functions & Features

• Designed to protect electronics equipment from induced

lightning surges with gas discharge tube

• One-port surge protector according to IEC61643-1

• Connected between neutral and protective earth

• High discharge current capacity of 40 kA (8/20 μs)

• Protect against overvoltage between N and PE caused by

earth fault

• 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.

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

element of correct line voltage can be mounted.

Typical Applications

• Protection between N and PE of TT system

• Low-voltage distribution board

• Combination with installation for large load current

18 ( .71)

(3.82)

mm (inch)

(2.56)

MODEL: MAKN–220[1]

ORDERING INFORMATION

• Code number: MAKN-220[1]

Specify a code from below for [1].

(e.g. MAKN-220/AN)

OPERATIONAL VOLTAGE

220: 220 V AC

[1] OPTIONS

Configuration

Blank: With alarm output

/AN: Without alarm output

/BN: Head element for replacement

RELATED PRODUCTS

• One-port surge protector for power supply use (model:

MAKF)

• Single mount adaptor (model: MBS)

• Wiring bridge (model: CNB)

GENERAL SPECIFICATIONS

Construction: Plug-in

Degree of protection: IP20 (If the solderless terminals are

covered with insulation tubes.)

Surge protection type: Voltage switching type one-port SPD

(IEC61643-1)

Discharge element: Gas discharge tube

Connection

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

(torque: 2.5 N·m)

Alarm output: Euro type connector terminal

(torque: 0.25 N·m)

Applicable wire size

Line connection: See the sloderless terminal drawing.

Alarm output: 0.14 to 1.5 mm2 (7 mm exposed)

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 AC @0.2 A (resistive load)

Minimum switching load: 5 V DC, 1 mA

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).

d: M5 use

B≤13.0 mm

F≥ 7.0 mm

T≤ 1.8 mm

• Applicable Solderless Terminal Size

diameter d

MODEL: MAKN

MAKN SPECIFICATIONS ES-8142 Rev.1 Page 2/6

INSTALLATION

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.

Weight: 100 g (3.53 oz)

PERFORMANCE

Response time: ≤ 100 nsec

Maximum discharge current: 40 kA (8/20 μsec.)

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

TOV value: 1200 V/0.2 sec.

Insulation resistance: ≥ 100 MΩ with 500 V DC

(N or PE to alarm output)

Dielectric strength: 2000 V AC @1 minute

(N or PE to alarm output)

Leakage current: ≤ 100 μA at the discharge voltages listed

in the table below.

MAKN-220 260 400

MODEL Uc

(AC) (V)

DISCHARGE

VOLTAGE

(Vmin)

1500

@6kV (1.2/50 µs),

5kA (8/20 µs) (Vmax)

STANDARDS & APPROVALS

Surge protection: IEC 61643-1: 1998 Class II

MODEL: MAKN

MAKN SPECIFICATIONS ES-8142 Rev.1 Page 3/6

CONNECTION EXAMPLES

EDEB

1) : Protective device of the switchgear

2) : Switchgear

3) : Main earth terminal or busbar

4) : MAKF

4)a : MAKN

5) : Earth conductor

5)a and/or 5)b

6) : Protected device

F : Circuit breaker

EB : Mains earth electrode

ED : Switchgear's earth electrode

1) 2)

4) 4)

4)a

5)a

5)b

Residual

Current

Circuit

Breaker

*1. The circuit breaker must be installed. Molded-case circuit breaker (MCCB) or residual current circuit breaker with overcurrent protection (RCD) can be used.

The rated interrupting capacity of the circuit breaker must be greater than the highest amount of current that could be available in the circuit.

Install MCCB (rated current 20 – 30A) that has element for each phase. Or RCD with protection from nuisance tripping against transit voltages type or time-delay

overcurrent protection type is recommended.

Recommended sensitivity current rating: 30mA

*2. Cable length between the branch point and the earthing: 0.5 meters or less recommended

*3. The protected device's metal enclosure must be cross-wired to the earth terminal of the MAKN. If the protected device has no earth terminal, earth only the MAKN.

*4. In order to protect an electronic circuit such as measuring equipment or communication equipment, we recommend to use surge protectors which have serial

impedance incorporated such as M-System's models MAX, MMA or MAH.

■INSTALLATION EXAMPLES

When power supply side (N) and equipment side (PE) are earthed independently (TT system), installs this unit between N and PE. Install one-port

surge protector for power supply (model: MAKF) between L to L and L to N. The installation procedure of the three-phase/4-wire system is shown

below as an example.

MODEL: MAKN

MAKN SPECIFICATIONS ES-8142 Rev.1 Page 4/6

SPD1

SPD3

Generator

or transformer

Protective device

of the switchgear

Circuit breaker

Protected

device

■

CONNECTION EXAMPLES BY POWER SYSTEMS

Connection examples of MAKF and MAKN are shown as following.

• Single-phase/2-wire connection • Single-phase/2-wire (three-phase delta connection earthed

in the middle of phases) or single-phase/3-wire connection

L2 G

SPD1SPD1

SPD2

SPD3

Protective device

of the switchgear

Circuit breaker

Protected

device

Generator

or transformer

• Three-phase/3-wire connection (delta) • Three-phase/4-wire connection (star)

(N) G

SPD1SPD1

SPD2

SPD3

Protected

device

Circuit breaker

Protective device

of the switchgear

Generator

or transformer

Protected

device

L1 L2

SPD1SPD1

SPD2

SPD1

SPD2

Circuit breaker

SPD3

Protective device

of the switchgear

Generator

or transformer

■ALARM OUTPUT

When the alarm output is to be transmitted remotely via outdoor cables, a surge protector for the signal line is required.

Choose a circuit breaker with alarm output. Configure a logical OR sequence so that the alarm trips when both or either

of the MAKF, MAKN or the breaker alarm trips.

Single-phase/2-wire, 110V AC MAKF-240x

MAKF-240x

MAKN-220x

POWER SYSTEM (e.g.) SPD1 SPD3

Single-phase/2-wire, 220V AC

Single-phase/2-wire,

110V AC MAKF-240x MAKF-240x

POWER SYSTEM (e.g.) SPD1 SPD2 SPD3

MAKN-220x

Single-phase/3-wire,

220/110V AC MAKF-240x MAKF-240x MAKN-220x

Three-phase/4-wire,

220V AC MAKF-240x MAKF-240x

POWER SYSTEM (e.g.) SPD1 SPD2 SPD3

MAKN-220x

Three-phase/4-wire,

440V AC MAKF-400x MAKF-400x MAKN-220x

Three-phase/3-wire,

220V AC MAKF-240x MAKF-240x

POWER SYSTEM (e.g.) SPD1 SPD2 SPD3

MAKN-220x

MODEL: MAKN

MAKN SPECIFICATIONS ES-8142 Rev.1 Page 5/6

EXTERNAL DIMENSIONS & TERMINAL ASSIGNMENTS unit: mm (inch)

18 (.71)

[30 (1.18)]5 (.20)

CHECK WINDOW

SPECIFICATIONS

DIN RAIL ADAPTOR

2–M5 SCREW

A : Place marking labels here.

TERMINAL BLOCK FOR

ALARM OUTPUT (optional)

BASE

DIN RAIL

65 (2.56)

■ HEAD ELEMENT & BASE, COMBINED

■ MARKING LABELS

(terminal identifiers, tag name labels)

HEAD ELEMENT

GRIP

GUIDING RAIL

SOCKET

ALARM OUTPUT

LEVER

PLUG

SOLDERLESS TERMINAL

ACCESS PORT

69 (2.72)

90 (3.54)

97 (3.82)[3 (.12)]

L2 L3

N E G

DIN RAIL

35mm wide

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

51 (2.01)

[1 (.04)]

35.4 (1.39)

45 (1.77) 14 (.55)

NO NCC

VOLTAGE ID KEY

■ HEAD ELEMENT & BASE, SEPARATED

MOUNT POSITION KEY

BASE

SPECIFICATIONS

[1 (.04)]

[1.5 (.06)]

MODEL: MAKN

MAKN SPECIFICATIONS ES-8142 Rev.1 Page 6/6

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM

Head Element

Base

N/PE

PE/N

ALARM

OUTPUT

Thermal

Breaker

Failure

Indicator

Discharge

Element

*1. M5 screw terminal

*2. Terminal block provided for the alarm output option.

Specifications are subject to change without notice.

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