B&R 8LSAB6.I9045J200-4

Synchronous motor 8LS, self-cooling, construction type A

MPN: 8LSAB6.I9045J200-4
Category: Standard motors (8LSA-4; available at short notice)

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12-month warranty (new) · 3-month (used/refurbished)
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What is the B&R 8LSAB6.I9045J200-4?

Synchronous motor 8LS, self-cooling, construction type A, 400 VAC - Number of pole pairs: 5 - Nominal speed: 4500 rpm - Nominal torque: 11.000 Nm - Stall torque: 20.000 Nm - Centering diameter: 110.00 mm, j6 fit - Flange square dimension: 116.00 mm - Smooth shaft d=24.00 k6x50.00 mm, without oil seal - EQI 1131 FS E30-R2, M: 4096 - 00: No special option - Efficiency: 96.2

Specifications

General information

Certifications – CE	Yes
Certifications – UKCA	Yes
Certifications – CRA (Cyber Resilience Act)	In preparation
Certifications – UL	cURus E235396; Servo and stepper motors - Component

Motor

Nominal speed n N [rpm]	4500
Number of pole pairs	5
Nominal torque M n [Nm]	11
Nominal power P N [W]	5184
Nominal current I N [A]	10.09
Stall torque M 0 [Nm]	20
Stall current I 0 [A]	18.35
Maximum torque M max [Nm]	72
Maximum current I max [A]	106.54
Maximum speed n max [rpm]	6000
Torque constant K T [Nm/A]	1.09
Voltage constant K E [V/1000 rpm]	65.97
Stator resistance R 2ph [Ω]	0.29
Stator inductance L 2ph [mH]	3.3
Electrical time constant t el [ms]	11.38
Thermal time constant t therm [min]	42
Moment of inertia J [kgcm 2]	9.5
Weight without brake m [kg]	11

Holding brake

Holding torque of brake M Br [Nm]

Recommendations

ACOPOS 8Vxxxx.xx...	1320
ACOPOSmulti 8BVIxxxx...	220
ACOPOS P3 8EIxxxx...	022X
Connector size	1

Options

Encoder	I9 EQI1131 E30 multi-turn induktiv
Shaft end	Smooth shaft

Downloads & documentation

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

Data sheets & manuals

8LSA...-4 - Users manual MotorPDF · 13 MB · 1.11 (01/23/2026) - EN

8LSAB6.I9045J200-4: frequently asked questions

When can 8LSAB6.I9045J200-4 be shipped?

8LSAB6.I9045J200-4 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 8LSAB6.I9045J200-4 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 8LSAB6.I9045J200-4 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 8LSAB6.I9045J200-4, subject to availability and destination.