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B&R 8LSA73.DA030S300-3

Synchronous motor, number of pole pairs: 5 pairs

MPN: 8LSA73.DA030S300-3
Category: Standard motors (8LSA-3; available at short notice)

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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 8LSA73.DA030S300-3?

Synchronous motor, number of pole pairs: 5 pairs, nominal speed: 3000 rpm stall torque: 26.000 Nm, motor with holding brake, shaft key single-cable solution, angled (swivel), centering diameter 180 mm j6 fit, self-cooling, type A construction, IP64 protection without oil seal, 560 VDC, holding torque of brake: 47.0 Nm DA 2.2 ind. 32-line single-turn.

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]	3000
Number of pole pairs	5
Nominal torque M n [Nm]	20.5
Nominal power P N [W]	6440
Nominal current I N [A]	12.58
Stall torque M 0 [Nm]	26
Stall current I 0 [A]	15.95
Maximum torque M max [Nm]	107
Maximum current I max [A]	96.54
Maximum speed n max [rpm]	6000
Torque constant K T [Nm/A]	1.63
Voltage constant K E [V/1000 rpm]	98.44
Stator resistance R 2ph [Ω]	0.395
Stator inductance L 2ph [mH]	6.5
Electrical time constant t el [ms]	15.48
Thermal time constant t therm [min]	37
Moment of inertia J [kgcm 2]	46
Weight without brake m [kg]	20

Holding brake

Holding torque of brake M Br [Nm]	47
Mass of brake [kg]	0
Moment of inertia of brake J Br [kgcm 2]	32

Recommendations

ACOPOS 8Vxxxx.xx...	1180
ACOPOSmulti 8BVIxxxx...	0220
ACOPOS P3 8EIxxxx...	024X
Cross section for B&R motor cables [mm 2]	1.5
Connector size	1

Options

Connection type	Single-cable solution
Connection direction	Swivel, SCS
Encoder	DA 2.2 inductive 32-line single-turn
Shaft end	Key

Downloads & documentation

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

Data sheets & manuals

Certificates (3)

8LSA73.DA030S300-3: frequently asked questions

When can 8LSA73.DA030S300-3 be shipped?

8LSA73.DA030S300-3 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 8LSA73.DA030S300-3 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 8LSA73.DA030S300-3 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 8LSA73.DA030S300-3, subject to availability and destination.