Home / Mitsubishi Electric (Factory Automation) / Mitsubishi MELSEC iQ-R Series – Energy measuring / RE81WH Mitsubishi MELSEC iQ-R Series Energy measuring

Available on request

RE81WH Mitsubishi MELSEC iQ-R Series Energy measuring

MPN: RE81WH · Brand: Mitsubishi Electric (Factory Automation)

Price on request

Request a Quote

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

30-day returns, no restocking fee on unused parts

Ships via

Quick facts

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

Shipping & availability

When can RE81WH be shipped?

RE81WH 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 RE81WH 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 RE81WH 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 RE81WH, subject to availability and destination.

The Mitsubishi Electric RE81WH is a energy measuring in the MELSEC iQ-R 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, apparent power, harmonic current, harmonic voltage, frequency, power factor, electric energy, reactive electric energy. Specifications and manuals below are Mitsubishi Electric's own data.

Specifications

Product

Series	MELSEC iQ-R 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, apparent power, harmonic current, harmonic voltage, frequency, power factor, electric energy, reactive electric energy

Specifications

Number of measurement circuits	1 circuit
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	110V, 220V AC common
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	50/60Hz (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) Apparent power : ±1.0% (relative to rated input) Harmonic current : ±2.5% (relative to rated input) Harmonic voltage : ±2.5% (relative to rated input) Frequency : ±1.0% (in 45 to 65Hz range) Po
Data update cycle	10 to 10000 ms (able to set in increments of 10 ms)
Transient overvoltage	Measurement circuit: CATⅢ
Commercial frequency withstand voltage	2210 V AC for 5 s (between voltage/current input terminals - programmable controller power supply and GND terminals)
Applicable standards	EMC : EN61131-2: 2007, EN61326-1: 2013 Safety standards : EN61131-2: 2007, EN61010-1: 2010 UL61010-1 : 3rd Edition
Power failure backup	Non-volatile memory backup (Recorded items: setting values, maximum/minimum values and date/time of occurrence, electric energy (regeneration, consumption), reactive electric energy, periodic electric energy)
Number of occupied I/O points	32
External dimensions: Height (H)	106mm
External dimensions: Width (W)	27.8mm
External dimensions: Depth (D)	107.1mm
Weight	0.2kg

Specifications

General Specifications

Refer to the general Specifications of CPU module or remote head module.

Downloads & documentation

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

Data sheets & manuals

MELSEC iQ-R Energy Measuring Module(RE81WH) User's Manual (Hardware) (IB63D83E-B)	PDF · 0.88MB
MELSEC iQ-R Energy Measuring Module(RE81WH) User's Manual (Details) (IB63D82-B)	PDF · 2.78MB

12-month warrantyon all new stock

3-month warrantyon used & refurbished parts

30-day returnsno restocking fee on unused parts

Global shippingFast, tracked delivery worldwide