MAKN

MAKN MSYSTEM | Alldatasheet

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MODEL: MAKN MAKN SPECIFICATIONS ES-8142 Rev.3 Page 1/6 http://www.m-system.co.jp/ 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 IEC 61643-1
• 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 (IEC 61643-1) 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, 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) 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.3 Page 2/6 http://www.m-system.co.jp/ 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) Surge protection: IEC 61643-1 Class II 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)

MODEL: MAKN MAKN SPECIFICATIONS ES-8142 Rev.3 Page 3/6 http://www.m-system.co.jp/ 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 FN 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.3 Page 4/6 http://www.m-system.co.jp/ L N G 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 N 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 switchgearGenerator or transformer Protected device L1 L2 N G SPD1SPD1 SPD2 SPD2 SPD1 SPD2 Circuit breaker SPD3 Protective device of the switchgearGenerator 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.3 Page 5/6 http://www.m-system.co.jp/ 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) ■ 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) L2 L3 N E G DIN RAIL 35mm wide

• When mounting, no extra space is needed between units. 51 (2.01) [1 (.04)] 45 (1.77) 14 (.55) NO NC C 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.3 Page 6/6 http://www.m-system.co.jp/ 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. Specifications are subject to change without notice.