LUTZE 723521 Specification

Technical data sheet

Power supply · Compact Ultra, 120 W

Primary switchmode power supply, PFC
Input: AC 90–264 V, DC 110–345 V
Output: DC 48 V, 2.5 A

Identification

Type CPS2B1-120-48

Part No.

Product version

723521

Datasheet version 01

Use/Application/Properties

Properties • High efficiency and extremely compact dimensions

• Only 35 mm wide aluminium housing

• Active PFC (Power factor correction)

• Overload 150 %

• Constant current or hiccup mode, user definable

• Wide output voltage range

• Easy to connect in parallel to increase performance

• Up to 60 °C operating temperature without derating

Input

Number of phases 1

Rated voltage U

N

AC 120/240 V (UL certified)

Operation voltage range AC 90–264 V / DC 110–345 V

Frequency range 47 Hz – 63 Hz

Rated current I

N

1.4 A @ AC 120 V / 0.7 A @ AC 240 V

Inrush peak current ≤32 A / 0.49 A²s

Internal fuse T3, 15 A (non-replaceable)

External protection Mini-circuit breaker: C 4 A / Fusible link: T 4 A

Power factor correction P.F.C. >0,90, enabled

United Kingdom: LÜTZE Ltd.

Unit 3, Sandy Hill Park
Sandy Way, Amington • GB-Tamworth, Staffs B77 4DU
Tel. [phone] • Fax [phone]
www.lutze.com • [email protected]

Germany: Friedrich Lütze GmbH

Postfach 12 24 (PLZ 71366) • Bruckwiesenstraße 17-19 • D-7138 4 Weinstadt
Tel. [phone] • Fax [phone](-288)
www.luetze.de • [email protected]

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Part No.

723521 • Datasheet version: 01 page 1 of 4

Technical data sheet

Power supply · Compact Ultra, 120 W

Output

Output voltage/current DC 48 V/2.5 A

Rated voltage U

Rated current I

N

N

Overload limit in constant current
mode

Max. output current 3.75 A, 5 s @ Hiccup Mode

Power Dissipation <13.5 W

Setting range U

out min.

/U

out max.

Load regulation ≤0.5 %

Ripple and noise ≤60 mV pp

Hold up time ≥20 ms @ AC 120 V / ≥30 ms @ AC 240 V

Parallel / redundant mode Yes/via external decoupling diode e.g. Part-No. 722999

Efficiency >90 % @ AC 240 V

Overtemperature protection Yes

Over voltage protection ≥DC 68 V

Short circuit Adjustable: Hiccup, C.C. Mode

DC 48 V

2.5 A

3.75 A

DC 23–56 V

NOTE: Be sure to set the curren t limiting mode jumper when connecting
multiple devices in parallel.

Status indication

Status indication DC ON LED green ≥43.2 V

Status indication DC LOW LED red ≤43.2 V

Status indication DC ON LED red Redundancy error

Monitoring

DC ON Control (Rdy) N/O contact

Switching voltage AC/DC 300 V / DC 150 V

Switching current AC/DC 1 A

Switching capacity 300 VA / 30 W

Isolation voltage AC 500 V

General

Insulation voltage input / output DC 4.2 kV, 1 min.

Insulation voltage input / ground DC 2.2 kV, 1 min.

Insulation voltage output / ground DC 750 V, 1 min.

Derating >60 °C: -1.2 W/°C

Cooling Air convection, 50 mm distance top/bottom, 20 mm side

Housing material Aluminum

Mounting DIN rail mountable TS35

(EN 60715)

Installation position Vertical

MTBF MIL-HDBK-217F, >500000 h at 25 °C ambient full load

Degree of protection IP20 (IEC 529 / EN 60529)

Protection class I

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Part No. 723521 • Datasheet version: 01 page 2 of 4

Technical data sheet

Power supply · Compact Ultra, 120 W

Weight/unit 0.45 kg

Connection type Screw terminal

0,20 mm² – 2,5 mm² / AWG 24–14

Strip length 6.0 - 7.5 mm / 0.24 - 0.30 in

Screwdriver 3,0 × 0,5 mm

Tightening torque 0.5 – 0.6 Nm / 4.42 – 5.30 lbf in

Dimensions (w × h × d) 35.0 mm × 103.0 mm × 126.0 mm

PU (units) 1

General ambient conditions

Operation temperature range -35 °C . .. +70 °C

UL approved up to 60 °C

Storage temperature range -40 °C . .. +80 °C

Over voltage category III (EN 50178)

Degree of pollution 2 (IEC 60664-1)

Relative air humidity 5 – 95 % RH, non-condensing

Interface

Life-cycle expectancy 74’640 h (8.5 years) at 25 °C ambient full load

Certifications/Standards

Certifications CE

UKCA
cULus (E249179)

Standards UL 508

IEC/EN 61010-1
IEC/EN 61010-2-201
IEC/EN 60950
EN 55011 (CISPR11) Class B (EMC Emission)
EN 61000-3-2 Class A
EN 61000-4-2 Level 3
EN 61000-4-3 Level 3
EN 61000-4-4 Level 4
EN 61000-4-5 Level 4
EN 61000-4-11 Level 2
IEC 60068-2-6 (Vibration sinuosoidal), 5-17.8 Hz: ±1.6 mm, 17.8-500 Hz: 2 g
2 hours / axis (X,Y,Z)
IEC 60068-2-27 (Shock), 30 g 6 ms, 2 0 g 11 ms, 3 bum p s / direction,
18 bumps total

26.07.2023 – Subject to technical modification

Part No.

723521 • Datasheet version: 01 page 3 of 4

Technical data sheet

Power supply · Compact Ultra, 120 W

Dimensions

PIN assignment

Derating

26.07.2023 – Subject to technical modification

Part No.

723521 • Datasheet version: 01 page 4 of 4