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B&R X20cAP3121

I/O module, 3-phase power and energy metering module for…

MPN: X20cAP3121
Category: Analog inputs

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12-month warranty (new) · 3-month (used/refurbished)
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What is the B&R X20cAP3121?

Calculates RMS values from currents and voltages

Calculates active, reactive and apparent power

Phasing detection

Measures individual phases and calculates cumulative values

Optional measurement of current through the neutral conductor

Calculates frequency and harmonics with high precision

NetTime timestamp: Moment when measured value groups are read

Specifications

Short description

I/O module

3-phase power and energy metering module for current transformers

General information

Diagnostics – Module run/error	Yes, using LED status indicator and software
Diagnostics – Inputs	Yes, using LED status indicator and software
Power consumption – Bus	0.85 W (Rev. <C0); 0.50 W (Rev. =C0); 0.45 W (Rev. >C0)
Power consumption – Internal I/O	-
Insulation voltages – Inputs - Bus / I/O power supply	Tested at 5500 VDC, 1 min
Insulation voltages – Inputs - Ground	Tested at 5500 VDC, 1 min
Insulation voltages – Bus / I/O power supply - Ground	Tested at 510 VAC, 1 min
Certifications – CE	Yes
Certifications – UKCA	Yes
Certifications – CRA (Cyber Resilience Act)	In preparation
Certifications – ATEX	Zone 2, II 3G Ex nA nC IIA T5 Gc; IP20, Ta (see X20 user's manual); FTZÚ 09 ATEX 0083X
Certifications – UL	cULus E115267; Industrial control equipment
Certifications – DNV	Temperature: B (0 to 55°C); Humidity: B (up to 100%); Vibration: B (4 g); EMC: B (bridge and open deck)
Certifications – LR	ENV1
Certifications – KR	Yes
Certifications – ABS	Yes
Certifications – BV	EC33B ; Temperature: 5 - 55°C; Vibration: 4 g; EMC: Bridge and open deck
B&R ID code	0xE214
Status indicators	I/O function per channel, operating state, module status
Additional module power dissipation [W]	2 W (note: Power dissipation of current measurement shunts)

Voltage inputs

Nominal voltage U N – Between phases	Max. 480 VAC (note: The design of the module allows 480 VAC to be applied to the terminal block.)
Nominal voltage U N – Phase to N	Max. 277 VAC
Measurable frequency – Measurement range	45 to 65 Hz
Measurable frequency – Resolution	0.01 Hz
Number of phases	3
Input impedance	1.68 MΩ
Max. display value	655 VAC
Resolution	10 mV, with voltage connected directly
Rated frequency	50 and 60 Hz

Current inputs

Nominal current I N – Secondary	1 A
Nominal current I N – Primary	65 A directly configurable, larger values through conversion in the applicationCurrent transformer - Pinout"."> (note: For measuring higher current values, see section)
Quantity	4 AC inputs
Max. overload current	8 x I N for 0.5 s
Max. measuring current	1 A
Resolution	1 mA, based on the primary currentCurrent transformer - Pinout"."> (note: For measuring higher current values, see section)
Load	500 mΩ

Measurement accuracy

Apparent energy – Per phase and arithmetic total	±0.50% (note: With drift of 60 ppm/K)
Apparent energy – Vector sum	±0.80% (note: With drift of 60 ppm/K)
U RMS	±0.65% (note: With drift of 25 ppm/K)
I RMS	±0.65% (note: With drift of 35 ppm/K)
Effective, reactive and apparent power	±0.80% (note: With drift of 60 ppm/K)
Frequency, power factor and phase angle	±0.50%Helv","sans-serif"; mso-fareast-font-family:"Arial Unicode MS";mso-bidi-font-family:Helv; color:black;mso-ansi-language:DE;mso-fareast-language:DE;mso-bidi-language: AR-SA'>In power systems with approximately sinusoidal voltage starting at 10 VAC.</SPAN>"> (note: <SPAN style='font-size:10.0pt;font-family:)
Active energy per phase and total	±0.40% (note: At power factor cos ϕ = 1, 0.5L and 0.8C)
Active energy of fundamental frequency per phase and total	±0.50% (note: At power factor cos ϕ = 1, 0.5L and 0.8C)
Active energy of harmonics per phase and total	±0.80% (note: At power factor cos ϕ = 1, 0.5L and 0.8C)
Reactive energy per phase and total	±0.50% (note: At reactive power factor sin ϕ = 1, 0.5L and 0.8C)

Electrical properties

Electrical isolation

Channel isolated from bus; Channel not isolated from channel

Operating conditions

Mounting orientation – Horizontal	Yes
Mounting orientation – Vertical	Yes
Installation elevation above sea level – 0 to 2000 m	No limitation
Installation elevation above sea level – >2000 m	Not permitted
Degree of protection per EN 60529	IP20

Ambient conditions

Temperature – Horizontal mounting orientation	-25 to 60°C
Temperature – Vertical mounting orientation	-25 to 50°C
Temperature – Derating	See section "Derating".
Temperature – Storage	-40 to 85°C
Temperature – Transport	-40 to 85°C
Relative humidity – Operation	Up to 100%, condensing
Relative humidity – Storage	5 to 95%, non-condensing
Relative humidity – Transport	5 to 95%, non-condensing

Mechanical properties

Note	Order 1x terminal block X20TB32 separately. ; Order 1x bus module X20cBM32 separately.
Pitch	25 +0.2 mm

Accessories

Required accessories (order separately)

X20cBM32	Bus modules — Bus module for double-width 240 VAC I/O modules; The internal I/O supply is interconnected; 240 V coding for bus module, electronic module…
X20TB32	Terminal blocks — Tool-free wiring with push-in technology; Simple wire release using lever; Ability to label each terminal; Plain text labeling also possibl…

Downloads & documentation

Official documents from B&R, downloaded directly from the manufacturer.

Data sheets & manuals

CAD & dimension drawings

3D File STEP X20AP3xxxZIP · 866 KB · 1.00 (03/03/2015)

Certificates (13)

X20cAP3121: frequently asked questions

When can X20cAP3121 be shipped?

X20cAP3121 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 X20cAP3121 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 X20cAP3121 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 X20cAP3121, subject to availability and destination.