M-system MAKN Manuel utilisateur
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)
97
(3.82)
mm (inch)
65
(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).
F
d: M5 use
B≤13.0 mm
F≥ 7.0 mm
T≤ 1.8 mm
• Applicable Solderless Terminal Size
diameter d
BT
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)
Up
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
*1
*3
EDEB
*4
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)
3)
6)
4)
4)
4)
4)
4) 4)
4)a
5)a
5)b
F
N
*2
L2
L1
L3
PE
N
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
L
NG
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
L1
N
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)
L1
L2
L3
(N) G
SPD1SPD1
SPD2
SPD3
Protected
device
Circuit breaker
Protective device
of the switchgear
Generator
or transformer
Protected
device
L1 L2
L3
N
G
SPD1SPD1
SPD2
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
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
A
A : Place marking labels here.
A
TERMINAL BLOCK FOR
ALARM OUTPUT (optional)
BASE
DIN RAIL
65 (2.56)
L1
■ 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)]
PE
MODEL: MAKN
MAKN SPECIFICATIONS ES-8142 Rev.1 Page 6/6
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM
Head Element
Base
N/PE
PE/N
NC
C
NO
ALARM
OUTPUT
Thermal
Breaker
Failure
Indicator
Discharge
Element
*1. M5 screw terminal
*2. Terminal block provided for the alarm output option.
*1
*1
*2
Specifications are subject to change without notice.
Ce manuel convient aux modèles suivants
1
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