KW1M-H Eco-POWER METER (Discontinued Products)

• 1.KW1M-H
• 2.Dedicated current transformer (CT)
• 3.Terminal arrangement・Wiring diagrams (KW1M-H)
• 4.Discontinued products [Order accepted till December, 2016]
• KW1M-H
• Dedicated current transformers (CT)
• Terminal arrangement・Wiring diagrams (KW1M-H) (same as "3.Terminal arrangement・Wiring diagrams (KW1M-H)")

AKW1121B

Mounting hole dimensions

Note : Please keep space that the thumb enters for the battery exchange at the left of the main unit (about 30mm).

Dedicated current transformer (CT) Clamp-on type 5A/50A (AKW4801B)

Dedicated current transformer (CT) Clamp-on type 100A (AKW4802B)

Dedicated current transformer (CT) Clamp-on type 250A (AKW4803B)

Dedicated current transformer (CT) Clamp-on type 400A (AKW4804B)

Dedicated current transformer (CT) Clamp-on type 600A (AKW4808B)

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Dedicated current transformer (CT) Through type 50A/100A (AKW4506B)

Dedicated current transformer (CT) Through type 250A/400A/600A (AKW4507B/AKW4508B)

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Be sure to wire correctly according to the terminal arrangement and wiring diagrams.
After completing wiring, be sure to attach the terminal cover for safety reasons.

Terminal arrangement

Caution for Wiring

1) Terminal fastening torque should be 0.5 to 0.6N･m. In case of using a crimping terminal, use it with insulating sleeve applicable to M3 screw. 2) This has no built-in power switch, circuit breaker for power supply part. To protect the device, it is necessary to install power switch and circuit breaker in the power supply circuit. And this has no built-in power switch, circuit breaker or fuse for measured voltage input parts. Therefore it is necessary to install them in the circuit near this unit. 3) We recommend a wire with the cross section of 0.75 to 1.25mm2 for power supply line and measured voltage input line. 4) Use flame-resistant cable for each wiring.

Wiring diagrams

When measuring load with rated input voltage (100 to 200 V AC system and 400 V AC system)

·Single-phase two-wire system *One dedicated current transformer (CT) is required. Note: Do not wire to (6), (7) terminal. They are connected internal.

·Single-phase three-wire system / Three-phase three-wire system *Two dedicated current transformers (CT) are required. Note: Do not wire to (7) terminal.They are connected internal.

·Three-phase four-wire system *Three dedicated current transformers (CT) are required.

When measuring a load with exceed input voltage

Voltage transformer (VT) is needed when you measure a load with over rated input voltage (440V).Use VT, those secondary rating is 110V.
Grounding the secondary side of VT and CT is not necessary with low-voltage circuit.

Single-phase two-wire system	Single-phase three-wire system / Three-phase three-wire system	Three-phase four-wire system

AKW1121

Mounting hole dimensions

Dedicated current transformer (CT) Clamp-on type 5A/50A (AKW4801C)

Dedicated current transformer (CT) Clamp-on type 100A (AKW4802C)

Dedicated current transformer (CT) Clamp-on type 250A (AKW4803C)

Dedicated current transformer (CT) Clamp-on type 400A (AKW4804C)

Dedicated current transformer (CT) Clamp-on type 600A (AKW4808C)

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Dedicated current transformer (CT) Through type 50A/100A (AKW4506C)

Dedicated current transformer (CT) Through type 250A/400A/600A (AKW4507C/AKW4508C)