What supply voltage and frequency does each use?

Rated voltage — Nice Era Inn Smart E SMART SI 332 DC: 24 V. Mains frequency — Nice Era Inn Smart E SMART SI 332 AC: 50 Hz, 60 Hz. Power supply type — Nice Era Inn Smart E SMART SI 332 DC: DC; Nice Era Inn Smart E SMART SI 332 AC: AC mains.

Which tube diameters do they fit?

Motor diameter — Nice Era Inn Smart E SMART SI 332 DC: 35 mm; Nice Era Inn Smart E SMART SI 332 AC: 35 mm.

What torque and speed is each rated for?

Rated torque — Nice Era Inn Smart E SMART SI 332 DC: 3 Nm; Nice Era Inn Smart E SMART SI 332 AC: 3 Nm. Rated speed — Nice Era Inn Smart E SMART SI 332 DC: 32 rpm; Nice Era Inn Smart E SMART SI 332 AC: 32 rpm. Max load — Nice Era Inn Smart E SMART SI 332 DC: 12 kg; Nice Era Inn Smart E SMART SI 332 AC: 12 kg.

What protocols and control options does each support?

Limit setting — Nice Era Inn Smart E SMART SI 332 DC: Electronic; Nice Era Inn Smart E SMART SI 332 AC: Electronic.

Nice Era Inn Smart E SMART SI 332: DC vs AC Compared

Rated power input — Nice Era Inn Smart E SMART SI 332 DC: 36 W^{[1; 2026-10-01]}; Nice Era Inn Smart E SMART SI 332 AC: 40 W^{[1; 2026-10-01]}.

Rated current — Nice Era Inn Smart E SMART SI 332 DC: 1.5 A^{[1; 2026-10-01]}; Nice Era Inn Smart E SMART SI 332 AC: 0.6 A^{[1; 2026-10-01]}.

Overall length — Nice Era Inn Smart E SMART SI 332 DC: 472 mm^{[1; 2026-10-01]}; Nice Era Inn Smart E SMART SI 332 AC: 744 mm^{[1; 2026-10-01]}.

Last verified: 2026-11-02

When to choose Nice Era Inn Smart E SMART SI 332 DC

For a supply rated 24 V^{[1; 2026-10-01]}.
For the stated supply type: DC^{[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 Inn Smart E SMART SI 332 AC

For a mains frequency of 50 Hz^{[1; 2026-10-01]}, 60 Hz^{[1; 2026-10-01]}.
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]}.

Verifiable indicators

Short-time duty (S2) — Nice Era Inn Smart E SMART SI 332 DC: 10 min^{[1; 2026-10-01]}; Nice Era Inn Smart E SMART SI 332 AC: 10 min^{[1; 2026-10-01]}.

Rated life — Nice Era Inn Smart E SMART SI 332 DC: Not published. Nice Era Inn Smart E SMART SI 332 AC: Not published.

Thermal protection — Nice Era Inn Smart E SMART SI 332 DC: Not published. Nice Era Inn Smart E SMART SI 332 AC: Not published.

IP rating — Nice Era Inn Smart E SMART SI 332 DC: IP30^{[1; 2026-10-01]}; Nice Era Inn Smart E SMART SI 332 AC: IP30^{[1; 2026-10-01]}.

Comparison table
Property	Nice Era Inn Smart E SMART SI 332 DCNiceE SMART SI 332 DC	Nice Era Inn Smart E SMART SI 332 ACNiceE SMART SI 332 AC
Series & variant axes
Series	Era Inn Smart S	Era Inn Smart S
Torque	3 Nm	3 Nm
Rated speed	32 rpm	32 rpm
Power supplyDiffers: DC vs AC mains	DC	AC mains
Electrical
Rated voltage	24 V^{[1; 2026-10-01]}	Not published
Supply voltage (min)	Not published	100 V^{[1; 2026-10-01]}
Supply voltage (max)	Not published	240 V^{[1; 2026-10-01]}
Mains frequency	Not published	50 Hz^{[1; 2026-10-01]}, 60 Hz^{[1; 2026-10-01]}
Power supply typeDiffers: DC^{[1; 2026-10-01]} vs AC mains^{[1; 2026-10-01]}	DC^{[1; 2026-10-01]}	AC mains^{[1; 2026-10-01]}
Rated power inputDiffers: 36 W^{[1; 2026-10-01]} vs 40 W^{[1; 2026-10-01]}	36 W^{[1; 2026-10-01]}	40 W^{[1; 2026-10-01]}
Standby power	< 0.5 W^{[1; 2026-10-01]}	< 0.5 W^{[1; 2026-10-01]}
Rated currentDiffers: 1.5 A^{[1; 2026-10-01]} vs 0.6 A^{[1; 2026-10-01]}	1.5 A^{[1; 2026-10-01]}	0.6 A^{[1; 2026-10-01]}
Drive performance
Rated torque	3 Nm^{[1; 2026-10-01]}	3 Nm^{[1; 2026-10-01]}
Rated speed	32 rpm^{[1; 2026-10-01]}	32 rpm^{[1; 2026-10-01]}
Speed range (min)	16 rpm^{[1; 2026-10-01]}	16 rpm^{[1; 2026-10-01]}
Speed range (max)	48 rpm^{[1; 2026-10-01]}	48 rpm^{[1; 2026-10-01]}
Short-time duty (S2)	10 min^{[1; 2026-10-01]}	10 min^{[1; 2026-10-01]}
Max load	12 kg^{[1; 2026-10-01]}	12 kg^{[1; 2026-10-01]}
Dimensions & mounting
Motor diameter	35 mm^{[2; 2026-10-09]}	35 mm^{[2; 2026-10-09]}
Fits tube diameter	≥ 35 mm^{[3; 2026-10-01]}	≥ 35 mm^{[3; 2026-10-01]}
Overall lengthDiffers: 472 mm^{[1; 2026-10-01]} vs 744 mm^{[1; 2026-10-01]}	472 mm^{[1; 2026-10-01]}	744 mm^{[1; 2026-10-01]}
WeightDiffers: 1.1 kg^{[1; 2026-10-01]} vs 1.5 kg^{[1; 2026-10-01]}	1.1 kg^{[1; 2026-10-01]}	1.5 kg^{[1; 2026-10-01]}
Limits & protection
Limit setting	Electronic^{[3; 2026-10-01]}	Electronic^{[3; 2026-10-01]}
Limit range	< 150 turns^{[1; 2026-10-01]}	< 150 turns^{[1; 2026-10-01]}
Control & communication
Control interface (as stated)	Hardwired^{[3; 2026-10-01]}	Hardwired^{[3; 2026-10-01]}
Environment & protection
IP rating	IP30^{[1; 2026-10-01]}	IP30^{[1; 2026-10-01]}
Operating temp. (min)	0 °C^{[1; 2026-10-01]}	0 °C^{[1; 2026-10-01]}
Operating temp. (max)	60 °C^{[1; 2026-10-01]}	60 °C^{[1; 2026-10-01]}
Noise level	35 dB(A)^{[1; 2026-11-02]}	35 dB(A)^{[1; 2026-11-02]}
Application
Applications	Roller blind^{[3; 2026-10-05]}, Screen^{[3; 2026-10-01]}	Roller blind^{[3; 2026-10-05]}, Screen^{[3; 2026-10-01]}
View all 6 variants
Documents	Request datasheet	Request datasheet

Relations and interchangeability

Nice Era Inn Smart E SMART SI 332 DC → Nice Era Inn Smart E SMART SI 332 AC

Not directly interchangeable

Same product type (tubular motor)
Used for Roller blind, Screen (same)
Ø35 mm (same class)
Torque 3 Nm (same)
Speed 32 rpm (same)
Limits: Electronic (same)
Protection IP30
Power supply AC mains vs DC
Control system not confirmed
272 mm longer: check the space between brackets

Required changes / checks: Control system not confirmed; 272 mm longer: check the space between brackets

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

Nice Era Inn Smart E SMART SI 332 AC → Nice Era Inn Smart E SMART SI 332 DC

Not directly interchangeable

Same product type (tubular motor)
Used for Roller blind, Screen (same)
Ø35 mm (same class)
Torque 3 Nm (same)
Speed 32 rpm (same)
Limits: Electronic (same)
Length 472 mm
Protection IP30
Power supply DC vs AC mains
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 Inn Smart E SMART SI 332 DC	Nice Era Inn Smart E SMART SI 332 AC
Power supply	DC^{[Nice S.p.A. PDF catalogue nice_sun_shading_solutions_catalogue_en.pdf; 2026-10-01]}	AC mains^{[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]}

Questions and answers

What supply voltage and frequency does each use?: Rated voltage — Nice Era Inn Smart E SMART SI 332 DC: 24 V. Mains frequency — Nice Era Inn Smart E SMART SI 332 AC: 50 Hz, 60 Hz. Power supply type — Nice Era Inn Smart E SMART SI 332 DC: DC; Nice Era Inn Smart E SMART SI 332 AC: AC mains.
Which tube diameters do they fit?: Motor diameter — Nice Era Inn Smart E SMART SI 332 DC: 35 mm; Nice Era Inn Smart E SMART SI 332 AC: 35 mm.
What torque and speed is each rated for?: Rated torque — Nice Era Inn Smart E SMART SI 332 DC: 3 Nm; Nice Era Inn Smart E SMART SI 332 AC: 3 Nm. Rated speed — Nice Era Inn Smart E SMART SI 332 DC: 32 rpm; Nice Era Inn Smart E SMART SI 332 AC: 32 rpm. Max load — Nice Era Inn Smart E SMART SI 332 DC: 12 kg; Nice Era Inn Smart E SMART SI 332 AC: 12 kg.
What protocols and control options does each support?: Limit setting — Nice Era Inn Smart E SMART SI 332 DC: Electronic; Nice Era Inn Smart E SMART SI 332 AC: Electronic.

Sources

↑Nice S.p.A. PDF catalogueniceforyou.comRated voltage: Power supply (VDC): 24 [E SMART SI 332 DC] (p. 92)Manufacturer-stated · Observed 2026-10-01 · Retrieved 2026-10-01 · Public web pageUsed for: 38616, 38553, 38554, 38556, 38557, 38617, 38555, 38619, 38559, 38620, 38560, 38618, 38558, 38621, 38561, 38622, 38562, 38624, 38564, 38623, 38563, 38627, 38567, 38628, 38568, 38629, 38569, 38630, 38570, 38626, 38566, 38633, 38573, 38631, 38571, 38632, 38572, 68008, 68005
↑Tubular diameter derivation tdia-nice-era-size-v1niceforyou.com[tdia-nice-era-size-v1] Ø 35 mm from "E SMART SI 332". 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: 54462, 54459
↑Elero manufacturer site (product catalog)elero.comFits tube (min.): Shaft size (mm) from 35Manufacturer-stated · Observed 2026-10-01 · Retrieved 2026-09-23 · Public web pageUsed for: 45974, 45956, 45973, 45955, 45971, 45953, 48928, 45972, 48922, 45954

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Nice Era Inn Smart E SMART SI 332 DC vs Nice Era Inn Smart E SMART SI 332 AC