B&R 8LSA44.EB045D300-3

Servo motor 8LSA44, 4500 rpm, EnDat 2.1 multi-turn

MPN: 8LSA44.EB045D300-3
Category: 8LSA4 (size 4)

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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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What is the B&R 8LSA44.EB045D300-3?

Synchronous servo motor 8LSA44, self-cooling (construction type A), number of pole pairs: 5, nominal speed: 4,500 rpm, stall torque: 6 Nm, motor with holding brake (8 Nm), keyed shaft, angled connector (swivel), without oil seal, IP64, centering diameter 95 mm, j6 fit, 560 VDC, encoder: EB inductive EnDat 2.1 multi-turn, 32 lines, 4096 revolutions (Heidenhain EQI 1331).

Specifications

General information

Certifications – CE	Yes
Certifications – UKCA	Yes
Certifications – CRA (Cyber Resilience Act)	In preparation
Certifications – UL	cURus E360421; Servo and stepper motors - Component

Motor

Nominal speed n N [rpm]	4500
Number of pole pairs	5
Nominal torque M n [Nm]	3.6
Nominal power P N [W]	1696
Nominal current I N [A]	3.3
Stall torque M 0 [Nm]	6
Stall current I 0 [A]	5.5
Maximum torque M max [Nm]	22.8
Maximum current I max [A]	32.9
Maximum speed n max [rpm]	12000
Torque constant K T [Nm/A]	1.08
Voltage constant K E [V/1000 rpm]	64.93
Stator resistance R 2ph [Ω]	1.6
Stator inductance L 2ph [mH]	10.8
Electrical time constant t el [ms]	6.8
Thermal time constant t therm [min]	30
Moment of inertia J [kgcm 2]	2.73
Weight without brake m [kg]	5.4

Holding brake

Holding torque of brake M Br [Nm]	8
Mass of brake [kg]	1
Moment of inertia of brake J Br [kgcm 2]	0.69

Recommendations

ACOPOS 8Vxxxx.xx...	1090
ACOPOSmulti 8BVIxxxx...	0055
ACOPOS P3 8EIxxxx...	8X8X
Cross section for B&R motor cables [mm 2]	0.75
Connector size	1

Options

Connection type	Connector (ytec system)
Connection direction	Angled (swivel)
Encoder	EB inductive EnDat 2.1 multi-turn, 32 lines, 4096 revolutions (Heidenhain EQI 1331)
Shaft end	Keyed shaft
Holding brake	Standard holding brake, 8 Nm
Oil seal	No (IP64)
Special motor option (gg)	00 – none
Motor version	3

8LSA44.EB045D300-3: frequently asked questions

When can 8LSA44.EB045D300-3 be shipped?

8LSA44.EB045D300-3 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 8LSA44.EB045D300-3 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 8LSA44.EB045D300-3 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 8LSA44.EB045D300-3, subject to availability and destination.