Home / Mitsubishi Electric (Factory Automation) / Mitsubishi MELSEC-Q Series – Energy measuring/insulation monitoring / QE81WH Mitsubishi MELSEC-Q Series Energy measuring

Available on request

QE81WH Mitsubishi MELSEC-Q Series Energy measuring

MPN: QE81WH · Brand: Mitsubishi Electric (Factory Automation)

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12-month warranty (new) · 3-month (used/refurbished)

30-day returns, no restocking fee on unused parts

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Quick facts

Availability	Confirmed on request
Category	Mitsubishi MELSEC-Q Series – Energy measuring/insulation monitoring
Lifecycle	Active
Warranty	12-month (new) · 3-month (used/refurbished)

Shipping & availability

When can QE81WH be shipped?

QE81WH is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.

Can I pick up QE81WH in person?

Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.

Is express delivery available?

Yes — mention it when you request a quote for QE81WH and we'll include express shipping options in our reply.

My factory is down and I need this urgently — can you help?

For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for QE81WH, subject to availability and destination.

The Mitsubishi Electric QE81WH is a energy measuring in the MELSEC-Q Series. Number of measurement circuits : 1 circuit Phase wire system : Single-phase 2-wire, single-phase 3-wire, 3-phase 3-wire common Measurement items : Current, demanded current, voltage, power, demanded power, reactive power, frequency, power factor, electric energy, reactive electric energy, time-based electric energy. Specifications and manuals below are Mitsubishi Electric's own data.

Specifications

Product

Series	MELSEC-Q Series
Category	Energy measuring
Outline	Number of measurement circuits : 1 circuit Phase wire system : Single-phase 2-wire, single-phase 3-wire, 3-phase 3-wire common Measurement items : Current, demanded current, voltage, power, demanded power, reactive power, frequency, power factor, electric energy, reactive electric energy, time-based electric energy

Specifications

Number of measurement circuits	1 circuit (1 channel)
Phase wire system	Single-phase 2-wire, single-phase 3-wire, 3-phase 3-wire common
Instrument rating: Voltage circuit: Single-phase 2-wire, 3-phase 3-wire	100 to 220V AC (If the voltage exceeds 220V AC, an external voltage transformer is required.)
Instrument rating: Voltage circuit: Single-phase 3-wire	110V AC (between wires 1 and 2, and wires 2 and 3), 220V AC (between wires 1 and 3)
Instrument rating: Current circuit	50A, 100A, 250A, 400A, 600A (Dedicated split-type current sensor is used. All values indicate primary current values of current sensor.) 5A (Dedicated 5A current sensor is used. Current transformer (CT) is used in two-step configuration together with the 5A current sensor in order to allow a maximum primary current value setting of 6,000A)
Instrument rating: Frequency	50 to 60Hz (automatic frequency selection)
Main unit tolerances (current sensors not included in tolerance)	Current, demanded current : ±1.0% (relative to rated input) Voltage : ±1.0% (relative to rated input) Power, demanded power : ±1.0% (relative to rated input) Reactive power : ±1.0% (relative to rated input) Frequency : ±1.0% (in 45 to 65Hz range) Power factor : ±3.0% (relative to electrical angle of 90°) Electric energy : ±2.0% (in 5 to 100% range of rated values, power factor = 1) Reactive electr
Data update cycle	250ms
Response time	2s or less
Power outage compensation	Backup is made using nonvolatile memory. (Stored items: settings, the max./min. values and time of occurrence, electric energy (consumption, regenerated), reactive energy (consumption lag), and periodic electric energy)
Internal current cunsumption (DC 5V)	0.17A
No. of required slots	1
No. of input/output points	16 points (I/O assignment: 16 intelligent points)
Applicable wire: Voltage input terminal: Single wire	AWG24 to AWG17
Applicable wire: Voltage input terminal: Stranded wire	AWG20 to AWG16
Applicable wire: Current input terminal: Single wire	AWG24 to AWG17
Applicable wire: Current input terminal: Stranded wire	AWG20 to AWG16
Applicable standards	EMC: EN61131-2:2007, EN61326-1:2013 LVD: EN61131-2:2007, EN61010-1:2010 UL Standards: UL508 c-UL Standards: CSA C22.2 No.142 KC Marking
External dimensions: Height (H)	98mm
External dimensions: Width (W)	27.4mm
External dimensions: Depth (D)	90.5mm
Weight	0.10kg

Specifications

General Specifications

Refer to the general Specifications of CPU module.

Downloads & documentation

Official documents from Mitsubishi Electric (Factory Automation), downloaded directly from the manufacturer.

Data sheets & manuals

MELSEC-Q Energy Measuring Module(QE81WH) User's Manual (Hardware) (IB63532E-J)	PDF · 0.38MB
MELSEC-Q Energy Measuring Module(QE81WH) User's Manual (Details) (IB63563-G)	PDF · 3.06MB

12-month warrantyon all new stock

3-month warrantyon used & refurbished parts

30-day returnsno restocking fee on unused parts

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