GLC40 Commercial
40 WATT GLOBAL PERFORMANCE LOW COST SWITCHERS
GLOBAL PERFORMANCE SWITCHERS
Features:
• Cost-effective power source
• Universal input 90-264 Vac
• 2-year warranty
• Single and multiple outputs
• Overload and overvoltage protection
• Built-in EMI filter
• UL1950, CSA-C22.2 No. 234 Level 3,
IEC950 and EN60950
• Operation at no-load (single output models)
• RoHS Compliant (with G suffix)
•
marked to LVD
SPECIFICATIONS
Ac Input
Voltage Setting
90-264 Vac, 47-63 Hz single phase.
Factory set on standard units with fixed resistors for added reliability. 3.3 V unit
has voltage adjustment pot.
Input Current
Efficiency
70ꢀ typical depending on model.
Maximum input current at 120 Vac, 60 Hz with full rated output load not to
exceed 1.3 A.
Output Power
Turn-on Time
Normal continuous output power is 40 W for unrestricted natural convec-
tion cooling, 45 W peak for 60 seconds. During peak load conditions output
regulation may exceed total regulation and noise limits.
Less than 1 second at 120 Vac, 25°C (inversely proportional to input voltage and
thermistor temperature).
Input Protection
Output Regulation
Internal ac fuse provided on all units. Designed to blow only if a catastrophic
failure occurs in the unit. Fuse does not blow on overload or short circuit.
Regulation for multiple-output models measured by 40ꢀ load change from
60ꢀ rated load with all other outputs at 60ꢀ full rated load and a line volt-
age change from low line to high line. Initial set tolerance is measured with
all outputs at 60ꢀ of full rated load. Output voltage V1 requires 1 A load for
proper regulation of multiple output models. Regulation for single-output
models measured by changing from 5ꢀ to 50ꢀ load or 50ꢀ load to full load
in either direction.
Inrush Current
Inrush limited by internal thermistors. Inrush at 240 Vac, averaged over the first ac
half-cycle under cold start conditions will not exceed 37 A.
Temperature Coefficient
0.03ꢀ/°C typical on all outputs.
Power Limit
Factory set to begin power limiting at approximately 55 W. Fully protected
against short circuit and output overload. Short circuit protection is cycling
type power limit.
EMI/EMC Compliance
All models include built-in EMI filtering to meet the following emissions
requirements:
Output Noise
EMI SPECIFICATIONS
COMPLIANCE LEVEL
0.5ꢀ rms, 1ꢀ pk-pk, 20 MHz bandwidth, mode. Measured with noise probe
terminals of the power supply.
Conducted Emissions
Static Discharge
RF Field Susceptibility
Fast Transients/Bursts
Surge Susceptibility
EN55022 Class A; FCC Class A
EN61000-4-2, 6 kV contact, 8 kV air
EN61000-4-3, 3 V/meter
EN61000-4-4, 2 kV, 5 kHz
EN61000-4-5, 1 kV diff., 2 kV com.
Transient Response
Main Output: 500 μs typical response time for return to within 0.5ꢀ of final
value for a 50ꢀ load step change, ∆i/ ∆t<0.2 A/μs. Maximum voltage devia-
tion is 3.5ꢀ. Startup/ shutdown overshoot less than 3ꢀ.
Overvoltage Protection
Built in on V1 with firing point set per table. OVP firing reduces output #1 and
#2 to less than 50ꢀ of nominal voltage in 50 ms.
Safety
All GLC40 models are approved to UL1950, CSA-C22.2 No.
234 Level 3, IEC950 and EN60950. Class I input.
All specifications are typical at nominal input, full load at 25OC unless otherwise stated
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