EMERSON NFS110 Service Manual

Embedded Power for Business-Critical Continuity

NFS110 Medical Series

Single and quad output

Total Power: 80 - 110 W Input Voltage: 90 - 253 Vac

127 - 357 Vdc

# of Outputs: Single, quad

Special Features

•7.0 x 4.25 x 1.8 inch package

•Medical, dental and laboratory applications

•Overvoltage and short circuit protection

•110 W with 20 CFM

•UL, VDE and CSA safety approvals

•EN60601-1 and UL2601 medical approvals

•Available RoHS compliant

•2 year warranty

Safety

VDE0805/EN60601-1/

IEC601/IEC1010

File No. 10401-3336-1049

Licence No. 2874

UL2601 File No. E147937

CSA C22.2 No. 125

File No. LR41062C

Rev. 06.10.08

NFS110 Series

1 of 5

Electrical Specifications

Output

Voltage adjustability	+5.1 V o/p on multi’s	±3.0%
	5.1 V single output	±3.0%
	12 V single output	12-14 V
	15 V single output	15-18 V
	24 V single output	24-30 V
Line regulation	LL to HL, FL	±0.1% max.
	All outputs on all units
Overshoot/undershoot	At turn-on no lead	0%
Temperature coefficient	All outputs	±0.02%/°C
Overvoltage protection	Multi o/p 5.1 V only	6.25 V ±0.75 V
	5.1 V single	6.25 V ±0.75 V
	12 V single	15.75 V ±1.0 V
	15 V single	22 V ±1.5 V
	24 V single	33 V ±2.5 V
Output power limit	Primary power	Pin max. 160 W
	limited	Pout min. 110 W
Short circuit protection		Burst mode operation
Input
Input voltage range		90-253 Vac
		127-357 Vdc
Input frequency range		47-440 Hz
Input surge current	110 Vac. 50 Hz	17 A
	230 Vac. 50 Hz	35 A
Safety ground leakage current	132 Vac	50 μA
	264 Vac	100 μA

All specifications are typical at nominal input, full load at 25°C unless otherwise stated

EMC Characteristics

Conducted emissions	EN55022, FCC part 15	Level A
Radiated emissions	EN55022, FCC part 15	Level A
ESD air	EN61000-4-2, level 3	Perf. criteria 1
ESD contact	EN61000-4-2, level 4	Perf. criteria 1
Surge	EN61000-4-3, level 3	Perf. criteria 1
Fast transients	EN61000-4-4, level 3	Perf. criteria 1
Radiated immunity	EN61000-4-5, level 3	Perf. criteria 2
Conducted immunity	EN61000-4-6, level 3	Perf. criteria 2
General Specifications
Hold-up time	110 Vac @ 80 W	35 ms
	110 Vac @ 110 W	17 ms
	230 Vac @ 80 W	140 ms
	230 Vac @ 110 W	100 ms
Efficiency	Multiple outputs	70% typical
	+5.1 V single	70% typical
	12 V and 15 V singles	72% typical
	24 V single	75% typical
Isolation voltage	Input/output	4000 Vac
	Input/chassis	1500 Vac
Approvals and standards		VDE0750, IEC60601,
(see note 12)		IEC1010, UL2601
		CSA C22.2 No. 125
Weight	Singles	550 g (19.4 oz)
	Multiple outputs	600 g (21.2 oz)
MTBF (@25º C)	MIL-HDBK-217E	125,000 hours min.

Embedded Power for

Business-Critical Continuity

Rev. 06.10.08

NFS110 Series

2 of 5

Environmental Specifications

Thermal performance	Operating, see curve	0° C to +70 °C
(See notes 9, 10)	Non-operating	-40 °C to +85 °C
	0 °C to 50 °C amb. convection cooled	80 W
	+50 °C to +70 °C,	Derate 2 W/°C
	amb. convection cooled
	0 °C to +50 °C, 20 CFM forced air	110 W
	+50 °C to +70 °C, 20CFM forced air	Derate 2.75 W/°C
	Peak, 0 °C to +50 °C, max. 60 seconds	110W
Relative humidity	Non-condensing	5% to 95% RH
Altitude	Operating	10,000 feet max.
	Non-operating	40,000 feet max.
Vibration (See Note 11)	5-500 Hz	2.4 G rms peak