Group: PULS
Catalog excerpts
Clever Power CB scheme Data sheet Input: 3 AC 400...500V Output: 24...28V / 960W (1080W) No switch-off at overload Ideal for parallel operation Output for measurement and logical signals (.301) Input Input voltage 3 AC 400...500 V, – 15 %, + 15 % 47-63 Hz, Suitable for IT power systems 340-575 V AC 300-620 V AC Input current Inrush current Inrush current limiting done with a fixed 23R resistor (not a thermistor) which is bridged after the unit is running, so losses are minimized. That means no reset time even at a warm-start. 3 A2s To be fused with a 3 x 10A, B-type 'circuit-breaker' switch based on the usual thermomagnetic overload sensing principle (used anyway to fuse the input lines; unit has no internal fuses). Harmonic current emissions (PFC) Transient handling Active transient filter incorporated, so transient resistance acc.to VDE 0160 / W2 (1300 V / 1.3 ms), for all load conditions. Construction / Mechanics * Housing dimensions and Weight 275 mm x 124 mm x 117 mm (+ DIN rail) • WxHxD above/below each 70 mm recommended • Free space for ventilation left/right each 25 mm recommended • Weight 3.3kg Connections (input and output) Output (signal outputs see overleaf) Rated Tolerances • Continuous operat. • Short term (1 min) at 24 V/40 A Fuse loading robust screw terminals, connector size range: • solid: 1.5...6 mm2 (Outp.: 0.5...16 mm2) • flexible: 1.5...4 mm2 (Outp.: 0.5...10 mm2) Output: Minus terminal with 2 connectors, current handling per output: 40 A (max. acc. to UL) resp. 56 A (max. acc. to VDE) Design advantages: • All connection blocks mounted on front panel for ease of access. • PVC insulated cable can be used for all connections, as the connection blocks are mounted in the cooler area on the underside of the unit. • Power density: 230 W per litre housing volume. Output voltage 24...28 V DC, adjustable by (covered) front panel potentiometer. Adj. range guaranteed Output noise suppression Radiated EMI values below EN 61000-6-3, even when using long, unscreened output cables. Ambient temperature range Tamb Operation: 0°C...+70°C (>60°C: Derating) Storage: -25°C...+85°C Rated continuous loading with convection cooling • Tamb=0°C - 60°C 24 V / 40 A (960 W) resp. 28 V / 35 A (980 W) • Tamb=0°C - 45°C 24 V / 45 A (1080 W) resp. 28 V / 38 A (1064 W) short-term (< 1 min.) also at 60°C admissible Derating Voltage regulation better than 2% over all Ripple (incl. spikes) < 50 mVPP (20 MHz bandw., 50 Ω measurem.) Over-voltage protection At 32 V ± 10%: switch to hiccup mode Front panel indicators: • Green LED on, when Vout > UT, where UT is ca. 2 V below Vout adjusted (24V...28V) • Red LED on, when Vout< UT Parallel operation SL40.300: yes, no active current sharing SL40.301: yes, active current sharing, please refer to “Output Signaling” - “Current Balance” Current sharing by balancing line (active sharing principle, SL40.301) or ’soft’ output characteristic (passive sharing principle, SL40.300; characteristic switch-over by jumper as in SL20/SL30 without opening the unit) Power Back Immunity Efficiency, Reliability etc. * Efficiency Life cycle (electrolytics) The unit exclusively uses longlife electrolytics, specified for +105°C (cf. ’The SilverLine’, p.2). High reliability and lifetime, as • only 6 aluminum electrolytics and • no small aluminum electrolytics are used. Order information Order number basic version, passive load sharing with signal/measurement outputs, signal output connector included: Order number XFB-S-W8-MSTB 06-W8) Screw mounting set, two needed per unit
Open the catalog to page 1Data sheet Start / Overload Behaviour Rise time Overload behaviour PULS Overload Design (see diagram at the right), thus neither switch-off nor hiccup at overload Advantages: • High short-circuit current, giving large ’start-up window’: unit starts reliably even with awkward loads (DC-DC converters, motors). No ’sticking’ as can occur with fold-back characteristics. • Even longer overload possible as unit does not switch off. Output voltage Vout [V] Startup delay Vout=24V, Parallel Mode Vout=28V, Single Mode Vout=28V, Parallel Mode SL40.301: no switch-over, charact. as SL40.300, Single Mode...
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