What supply voltage and frequency does each use?

Rated voltage — Nice Era Star ST 324: 230 V; Nice Era Star ST 524: 230 V. Mains frequency — Nice Era Star ST 324: 50 Hz; Nice Era Star ST 524: 50 Hz. Power supply type — Nice Era Star ST 324: AC mains; Nice Era Star ST 524: AC mains.

Which tube diameters do they fit?

Motor diameter — Nice Era Star ST 324: 35 mm; Nice Era Star ST 524: 35 mm.

What torque and speed is each rated for?

Rated torque — Nice Era Star ST 324: 3 Nm; Nice Era Star ST 524: 5 Nm. Rated speed — Nice Era Star ST 324: 24 rpm; Nice Era Star ST 524: 24 rpm.

What certifications are on record for each?

Marks stated by vendor — Nice Era Star ST 524: CE, NF.

Nice Era Star ST 324 vs Nice Era Star ST 524: Specs Compared

Rated power input — Nice Era Star ST 324: 85 W^{[1; 2026-10-01]}; Nice Era Star ST 524: 120 W^{[1; 2026-10-01]}.

Rated current — Nice Era Star ST 324: 0.38 A^{[1; 2026-10-01]}; Nice Era Star ST 524: 0.54 A^{[1; 2026-10-01]}.

Rated torque — Nice Era Star ST 324: 3 Nm^{[1; 2026-10-01]}; Nice Era Star ST 524: 5 Nm^{[1; 2026-10-01]}.

Last verified: 2026-11-04

When to choose Nice Era Star ST 324

For 230 V^{[1; 2026-10-01]} / 50 Hz^{[1; 2026-10-01]} mains.
For the stated supply type: AC mains^{[1; 2026-10-01]}.
For the stated diameter: 35 mm^{[2; 2026-10-09]}.
For a rated torque of 3 Nm^{[1; 2026-10-01]}.

When to choose Nice Era Star ST 524

For 230 V^{[1; 2026-10-01]} / 50 Hz^{[1; 2026-10-01]} mains.
For the stated supply type: AC mains^{[1; 2026-10-01]}.
For the stated diameter: 35 mm^{[3; 2026-10-07]}.
For a rated torque of 5 Nm^{[1; 2026-10-01]}.

Verifiable indicators

Short-time duty (S2) — Nice Era Star ST 324: 4 min^{[1; 2026-10-01]}; Nice Era Star ST 524: 4 min^{[1; 2026-10-01]}.

Rated life — Nice Era Star ST 324: Not yet collected. Nice Era Star ST 524: Not published.

Thermal protection — Nice Era Star ST 324: Not yet collected. Nice Era Star ST 524: Not published.

IP rating — Nice Era Star ST 324: IP44^{[1; 2026-10-01]}; Nice Era Star ST 524: IP44^{[1; 2026-10-01]}.

Comparison table
Property	Nice Era Star ST 324NiceE STAR ST 324	Nice Era Star ST 524NiceE STAR ST 524
Series & variant axes
Series	Era Star ST	Era Star ST
TorqueDiffers: 3 Nm vs 5 Nm	3 Nm	5 Nm
Rated speed	24 rpm	24 rpm
Power supply	AC mains	AC mains
Electrical
Rated voltage	230 V^{[1; 2026-10-01]}	230 V^{[1; 2026-10-01]}
Mains frequency	50 Hz^{[1; 2026-10-01]}	50 Hz^{[1; 2026-10-01]}
Power supply type	AC mains^{[1; 2026-10-01]}	AC mains^{[1; 2026-10-01]}
Rated power inputDiffers: 85 W^{[1; 2026-10-01]} vs 120 W^{[1; 2026-10-01]}	85 W^{[1; 2026-10-01]}	120 W^{[1; 2026-10-01]}
Standby power	< 0.5 W^{[1; 2026-10-01]}	< 0.5 W^{[1; 2026-10-01]}
Rated currentDiffers: 0.38 A^{[1; 2026-10-01]} vs 0.54 A^{[1; 2026-10-01]}	0.38 A^{[1; 2026-10-01]}	0.54 A^{[1; 2026-10-01]}
Drive performance
Rated torqueDiffers: 3 Nm^{[1; 2026-10-01]} vs 5 Nm^{[1; 2026-10-01]}	3 Nm^{[1; 2026-10-01]}	5 Nm^{[1; 2026-10-01]}
Rated speed	24 rpm^{[1; 2026-10-01]}	24 rpm^{[1; 2026-10-01]}
Short-time duty (S2)	4 min^{[1; 2026-10-01]}	4 min^{[1; 2026-10-01]}
Dimensions & mounting
Motor diameter	35 mm^{[2; 2026-10-09]}	35 mm^{[3; 2026-10-07]}
Overall length	496 mm^{[1; 2026-10-01]}	496 mm^{[1; 2026-10-01]}
Weight	1 kg^{[1; 2026-10-01]}	1 kg^{[1; 2026-10-01]}
Limits & protection
Limit setting	—	Electronic^{[3; 2026-10-07]}
Limit range	> 100 turns^{[1; 2026-10-01]}	> 100 turns^{[1; 2026-10-01]}
Environment & protection
IP rating	IP44^{[1; 2026-10-01]}	IP44^{[1; 2026-10-01]}
Compliance & declarations
Marks stated by vendor	—	CE^{[3; 2026-11-04]}, NF^{[3; 2026-11-04]}
View all 3 variants
Documents	Request datasheet	Request datasheet

— means no value: the manufacturer does not publish it, it does not apply to this product type, or there is none on record. Value states

Relations and interchangeability

Nice Era Star ST 324 → Nice Era Star ST 524

Not directly interchangeable

Same product type (tubular motor)
Ø35 mm (same class)
Speed 24 rpm (same)
230 V (same)
Power supply AC mains (same)
Mains 50 Hz (same)
Length 496 mm
Protection IP44
Torque 5 Nm is far above 3 Nm
Control system not confirmed

Required changes / checks: Control system not confirmed

Not checked: crown & drive adapters and motor head; Not checked: brackets; Not checked: remote pairing; Not checked: wiring

Nice Era Star ST 524 → Nice Era Star ST 324

Not directly interchangeable

Same product type (tubular motor)
Ø35 mm (same class)
Speed 24 rpm (same)
230 V (same)
Power supply AC mains (same)
Mains 50 Hz (same)
Length 496 mm
Protection IP44
Torque 3 Nm is below the 5 Nm needed
Control system not confirmed

Required changes / checks: Control system not confirmed

Not checked: crown & drive adapters and motor head; Not checked: brackets; Not checked: remote pairing; Not checked: wiring

Same-series variants

Variant axis	Nice Era Star ST 324	Nice Era Star ST 524
Torque	3 Nm^{[Nice S.p.A. PDF catalogue nice_sun_shading_solutions_catalogue_en.pdf; 2026-10-01]}	5 Nm^{[Nice S.p.A. PDF catalogue nice_sun_shading_solutions_catalogue_en.pdf; 2026-10-01]}

Cross-brand alternatives

A-OK AM35 AC Input Mechanical Limit Tubular Motor: 3 Nm^{[A-OK Motor manufacturer site (product catalog); 2026-09-30]}, Ø 35 mm^{[A-OK Motor manufacturer site (product catalog); 2026-10-05]}, 230 V^{[A-OK Motor manufacturer site (product catalog); 2026-09-30]}
A-OK AM35 AC Input Mechanical Limit Radio Tubular Motor: 3 Nm^{[A-OK Motor manufacturer site (product catalog); 2026-09-30]}, Ø 35 mm^{[Tubular diameter derivation tdia-archived-page-motor-diameter-v1; 2026-10-09]}, 230 V^{[A-OK Motor manufacturer site (product catalog); 2026-09-30]}
Wistar motor WSS40S-3/28: 3 Nm^{[Wistar motor manufacturer site (product catalog); 2026-10-01]}, Ø 35 mm^{[Wistar motor manufacturer site (product catalog); 2026-10-01]}, 230 V^{[Wistar motor manufacturer site (product catalog); 2026-10-01]}
Wistar motor WSS40S-3/34: 3 Nm^{[Wistar motor manufacturer site (product catalog); 2026-10-01]}, Ø 35 mm^{[Wistar motor manufacturer site (product catalog); 2026-10-01]}, 230 V^{[Wistar motor manufacturer site (product catalog); 2026-10-01]}
Wistar motor WSEB40-3/28: 3 Nm^{[Wistar motor manufacturer site (product catalog); 2026-10-01]}, Ø 35 mm^{[Wistar motor manufacturer site (product catalog); 2026-10-01]}, 230 V^{[Wistar motor manufacturer site (product catalog); 2026-10-01]}
Wistar motor WSEB40-3/34: 3 Nm^{[Wistar motor manufacturer site (product catalog); 2026-10-01]}, Ø 35 mm^{[Wistar motor manufacturer site (product catalog); 2026-10-01]}, 230 V^{[Wistar motor manufacturer site (product catalog); 2026-10-01]}

Data gaps

Nice Era Star ST 324: Series / product line — Not yet collected
Nice Era Star ST 324: Cable connection — Not yet collected
Nice Era Star ST 324: Cable length — Not yet collected
Nice Era Star ST 324: Speed range (min) — Not yet collected
Nice Era Star ST 324: Fits tube diameter — Not yet collected
Nice Era Star ST 324: Limit setting — Not yet collected
Nice Era Star ST 324: Control protocol — Not yet collected
Nice Era Star ST 324: Radio frequency — Not yet collected
Nice Era Star ST 324: Two-way feedback — Not yet collected
Nice Era Star ST 324: Operating temp. (min) — Not yet collected
Nice Era Star ST 324: Operating temp. (max) — Not yet collected
Nice Era Star ST 324: Noise level — Not yet collected
Nice Era Star ST 324: Applications — Not yet collected
Nice Era Star ST 324: Marks stated by vendor — Not yet collected

Questions and answers

What supply voltage and frequency does each use?: Rated voltage — Nice Era Star ST 324: 230 V; Nice Era Star ST 524: 230 V. Mains frequency — Nice Era Star ST 324: 50 Hz; Nice Era Star ST 524: 50 Hz. Power supply type — Nice Era Star ST 324: AC mains; Nice Era Star ST 524: AC mains.
Which tube diameters do they fit?: Motor diameter — Nice Era Star ST 324: 35 mm; Nice Era Star ST 524: 35 mm.
What torque and speed is each rated for?: Rated torque — Nice Era Star ST 324: 3 Nm; Nice Era Star ST 524: 5 Nm. Rated speed — Nice Era Star ST 324: 24 rpm; Nice Era Star ST 524: 24 rpm.
What certifications are on record for each?: Marks stated by vendor — Nice Era Star ST 524: CE, NF.

Sources

↑Nice S.p.A. PDF catalogueniceforyou.comRated voltage: Power supply (Vac/Hz): 230/50 [E STAR ST 324] (p. 122)Manufacturer-stated · Observed 2026-10-01 · Retrieved 2026-10-01 · Public web pageUsed for: 39061, 39074, 39063, 39076, 39062, 39075, 39065, 39078, 39066, 39079, 39064, 39077, 39067, 39080, 39068, 39081, 39070, 39083, 39071, 39084, 39072, 39085, 39069, 39082, 39073, 39086
↑Tubular diameter derivation tdia-nice-era-size-v1niceforyou.com[tdia-nice-era-size-v1] Ø 35 mm from "E STAR ST 324". corroborated by: tdia-nice-catalog-size-string-v1. Nice Era Star T manual §3.1: motors that are size "S" (Ø = 35 mm) … size "M" (Ø = 45 mm) … size "L" (Ø = 58 mm). Nice Sun Shading catalogue 2026 p70: "ERA INN S Ø 35 mm", "ERA INN M Ø 45 mm".Derived (model name) · Observed 2026-10-09 · Retrieved 2026-10-09 · Public web pageUsed for: 54474
↑Nice manufacturer site (product catalog)niceforyou.comMotor diameter: Ø 35 mmManufacturer-stated · Observed 2026-10-07 · Retrieved 2026-09-23 · Public web pageUsed for: 52038, 52041, 69278, 69279

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