■Features

• input voltage range
  universal input range from 85V to 265VAC world wide commercial input
• Harmonics Current Control
  Alpha has unique active filter for compliance with IEC1000-3-2/EN61000-3-2 harmonicslimitation.
• Adapted the international safety standards
  Listed UL1950, CSA950(C-UL), EN60950 (SEMCO),
• Conformed with CE marking
  Alpha is conformed with 'Low-Voltage Directive' of the CE-Marking and indicated.
• EMI (Conducted EMI / Radiated RFI)
  Alpha is met the EMI Standard EN55022 class A/VCCI Class A (CISPR pub.22).
  Alpha will be met EN55022 class B and VCCI class B using Densei-Lambda Noise Filters.
• EMS (immunity)
  Adapted EN61000-4 series (IEC61000-4serise)
  EN61000-4-2 Level 4 : Electro-Static Discharge
  EN61000-4-3 Level 3 : Radiated Electromagnetic Radio Frequency
  EN61000-4-4 Level 4 : First Transient Barest
  EN61000-4-5 Level 3 : Input surge Voltage
• Alpha 400/600/800: 3 years warranty, Alpha 250S: 2 years warranty

■Specifications(catalog download)

■Specifications Alpha 250S

	Alpha250S
NUMBER of SLOTS	4 Slots (6 channels max.)
INPUT VOLTAGE RANGE	85-265VAC(47-63Hz) 85-90VAC (required the output derating)
MAXIMUM TOTAL OUTPUT WATTAGE	250W
COOLING	Forced air cooling with internal fan
OPERATING AMBIENT TEMPERATURE	0~+60℃ (0-50℃ : 100%, +60℃ : 75%)
WITHSTAND VOLTAGE	input - FG 1.5kVAC for one minute (20mA): input - output 3kVAC for one minute (20mA)
SAFETY STANDARDS	Approved by UL1950, CSA950 (C-UL), EN60950(SEMKO), meet DENTORI (nominal input voltage 100VAC)
NOISE IMMUNITY	meets EN61000-4-2 Level 4, EN61000-4-3 Level 3, EN61000-4-4 Level4 and EN61000-4-5 Level 3

■Example of the conformation

1)Alpha 250S available for 4 slots for the output modules can be conformed the outputs. Slot1 & Slot2 use for main board only. 2)The total outputs wattage of the Alpha 250S is maximum 250W. 3)Each specified output wattage of the output module derating is depend on arrangement of position in the slots, output voltage setting and ambient temperature. 4)Internal input fuses Alpha 250S : 250V8A 5)Harmonics Current Correction Circuit Switching Frequency Alpha 250S : 100kHz (fixed : typ.) 6)Converter Switching Frequency Alpha 250S : 200kHz (fixed : typ.)

■Example of the specification

		For Slot 1&2
MAIN BOARD		3/5		5/3		5/12		24
OUTPUT MODULE		-		-		-		-
NUMBER of SLOTS		2		2		2		2
RATED OUTPUT VOLTAGE	V	3.3	5	5	3.3	5	12	24
MAXIMUM OUTPUT CURRENT	A	35	16	35	16	35	8	10
OUTPUT VOLTAGE RANGE	V	2.0 〜3.9	5.0 〜5.7	5.0 〜5.7	2.0 〜3.9	5.0 〜5.7	9.0 〜15.0	24.0 〜28.0
MAXIMUM OUTPUT RIPPLE AND NOISE VOLTAGE (*1)	mV	100	100	100	100	100	240	480
MAXIMUM LINE REGULATION(*2)	mV	25	25	25	25	25	60	72
MAXIMUM LOAD REGULATION(*3)	mV	100	100	100	100	100	240	480
OVERLOAD CURRENT PROTECTION(*4)	A	36.5 〜45.5	16.8 〜20.8	36.5 〜45.5	16.8 〜20.8	36.5 〜45.5	8.4 〜10.4	10.5 〜13.0
OVER VOLTAGE PROTECTION(*5)	V	4.4 〜5.2	6.7 〜7.8	6.7 〜7.8	4.4 〜5.2	6.7 〜7.8	16.2 〜18.6	30 〜34.8
OPERATING AMBIENT TEMPERATURE		0〜＋60℃（0〜＋50℃：100％,＋60℃：75％
REMOTE SENSING		Available (Main bord output, L module, A module only)
REMOTE ON/OFF CONTROL		Available
SERIES OPERATION		Available (can be operated in series between each output of Output Module and dual Outputs Module)
PARALLEL OPERATION		Available (Please contact to Densei-Lambda before use in parallel operation of the Modules)
INPUT VOLTAGE DETECTOR SIGNAL		Option for M J Module: detecting the output of the active filter (TTL open collector)

(*1)100MHz (measured by the Japanese Standard EIAJ RC-9131)

(*2)input Voltage 85 - 265VAC at costant load

(*3)no-load to full-load, at constant input voltage (When use the remote sensing, the level will be the same as the line regulation.)

(*4)Constant Current Auto-Reset (pre-set before shipment: fixed the limitation)

(*5)Shut Down method with Manual Reset (restart the input to be reset)

		For Slot 3 or Slot 4
MAIN BOARD		-	-	-	-	-		-		-		-		-		-		-
OUTPUT MODULE		L	A	B	C	D		E		F		G		H		J		M
NUMBER of SLOTS		1	1	1	1	1		1		1		1		1		1		1
RATED OUTPUT VOLTAGE	V	3.3	5	12	24	5	3.3	5	12	5	24	12	12	12	24	24	24	5	5
MAXIMUM OUTPUT CURRENT	A	10	10	8	4	5	5	5	4	5	2	4	4	4	2	2	2	5	5
OUTPUT VOLTAGE RANGE	V	2.0 〜3.9	4.5 〜5.5	9.0 〜15.0	16.0 〜28.0	4.5 〜5.5	2.0 〜3.9	4.5 〜5.5	9.0 〜15.0	4.5 〜5.5	16.0 〜28.0	9.0 〜15.0	9.0 〜15.0	9.0 〜15.0	16.0 〜28.0	16.0 〜28.0	16.0 〜28.0	4.5 〜5.5	4.5 〜5.5
MAXIMUM OUTPUT RIPPLE AND NOISE VOLTAGE (*1)	mV	100	100	240	480	100	100	100	240	100	480	240	240	240	480	480	480	100	100
MAXIMUM LINE REGULATION(*2)	mV	25	25	60	72	25	25	25	60	25	72	60	60	60	72	72	72	25	25
MAXIMUM LOAD REGULATION(*3)	mV	100	100	240	480	100	100	100	240	100	480	240	240	240	480	480	480	100	100
OVERLOAD CURRENT PROTECTION(*4)	A	10.5 〜13.0	10.5 〜13.0	8.4 〜10.4	4.2 〜5.2	5.2 〜6.5	5.2 〜6.5	5.2 〜6.5	4.2 〜5.2	5.2 〜6.5	2.1 〜2.6	4.2 〜5.2	4.2 〜5.2	4.2 〜5.2	2.1 〜2.6	2.1 〜2.6	2.1 〜2.6	5.2 〜6.5	5.2 〜6.5
OVER VOLTAGE PROTECTION(*5)	V	4.4 〜5.2	6.7 〜7.8	16.2 〜18.6	30 〜34.8	6.7 〜7.8	4.4 〜5.2	6.7 〜7.8	16.2 〜18.6	6.7 〜7.8	30 〜34.8	16.2 〜18.6	16.2 〜18.6	16.2 〜18.6	30 〜34.8	30 〜34.8	30 〜34.8	6.7 〜7.8	6.7 〜7.8
OPERATING AMBIENT TEMPERATURE		0〜＋60℃（0〜＋50℃：100％,＋60℃：75％
REMOTE SENSING		Available (Main bord output, L module, A module only)
REMOTE ON/OFF CONTROL		Available
SERIES OPERATION		Available (can be operated in series between each output of Output Module and dual Outputs Module)
PARALLEL OPERATION		Available (Please contact to Densei-Lambda before use in parallel operation of the Modules)
INPUT VOLTAGE DETECTOR SIGNAL		Optionfor M J Module: detecting the output of the active filter (TTL open collector)

(*1)100MHz (measured by the Japanese Standard EIAJ RC-9131)

(*2)input Voltage 85 - 265VAC at costant load

(*3)no-load to full-load, at constant input voltage (When use the remote sensing, the level will be the same as the line regulation.)

(*4)Constant Current Auto-Reset (pre-set before shipment: fixed the limitation)

(*5)Shut Down method with Manual Reset (restart the input to be reset)

■Specifications Alpha 800

	Alpha800
NUMBER of SLOTS	7Slots (14 channels max.)
INPUT VOLTAGE RANGE	85-265VAC(47-63Hz) 85-90VAC (required the output derating)
MAXIMUM TOTAL OUTPUT WATTAGE	800W (1000W peak)
COOLING	Forced air cooling with internal fan
OPERATING AMBIENT TEMPERATURE	0〜+60℃ (0-50℃ : 100%, +60℃ : 75%)
WITHSTAND VOLTAGE	input - FG 1.5kVAC for one minute (20mA): input - output 3kVAC for one minute (20mA)
SAFETY STANDARDS	Approved by UL1950, CSA950 (C-UL), EN60950(SEMKO), meet DENTORI (nominal input voltage 100VAC)
NOISE IMMUNITY	meets EN61000-4-2 Level 4, EN61000-4-3 Level 3, EN61000-4-4 Level4 and EN61000-4-5 Level 3

■Example of the conformation

1)Alpha 800 avaliable for 7 slots for the output modules can be conformed the outputs. 2)The total outputs wattage of the Alpha 800 is maximum 800W. 3)Each specified output wattage of the output module derating is depend on arrangement of position in the slots, output voltage setting and ambient temperature. 4)Intemal input fuses Alpha 800 : 250V20A 5)Harmonics Current Correction Circuit Switching Frequency Alpha 800 : 100kHz (fixed : typ.) 6)Converter Switching Frequency Alpha 800 : 200kHz (fixed : typ.)

■Example of the specification

Output Module name		A	B	C	D	E		F	G	H		M	N	P		Q	R	T
NUMBER of SLOTS		2	1	1	1	1		2	2	1		1	1	1		1	2	2
RATED OUTPUT VOLTAGE	V	5	5	12	24	12	12	12	24	24	24	12	24	24	12	3.3	3.3	2
MAXIMUM OUTPUT CURRENT	A	60	25	16	8	8	8	33	25	5	5	8	5	5	8	25	60	60
OUTPUT VOLTAGE RANGE	V	4.5 〜5.5	4.5 〜5.5	5.0 〜15.0	18.0 〜28.0	5.0 〜15.0	5.0 〜15.0	10.0 〜15.0	18.0 〜28.0	18.0 〜28.0	18.0 〜28.0	5.0 〜15.0	18.0 〜28.0	18.0 〜28.0	5.0 〜15.0	2.7 〜3.9	2.7 〜3.9	1.8 〜2.4
MAXIMUM OUTPUT RIPPLE AND NOISE VOLTAGE (*1)	mV P-P	100	100	240	480	240	240	240	480	480	480	240	480	480	240	100	100	100
MAXIMUM LINE REGULATION(*2)	mV	25	25	60	72	60	60	60	72	72	72	60	72	72	60	25	25	25
MAXIMUM LOAD REGULATION(*3)	mV	100	100	240	480	240	240	240	480	480	480	240	480	480	240	100	100	100
OVERLOAD CURRENT PROTECTION(*4)	A	63.0 〜78.0	26.3 〜32.5	16.8 〜20.8	8.4 〜10.4	8.4 〜10.4	8.4 〜10.4	34.6 〜42.9	26.2 〜32.5	5.2 〜5.8	5.2 〜5.8	8.4 〜10.4	5.2 〜6.5	5.2 〜6.5	8.4 〜10.4	26.3 〜32.5	63.0 〜78.0	63.0 〜78.0
OVER VOLTAGE PROTECTION(*5)	V	6.3 〜7.0	6.3 〜7.0	16.2 〜18.6	32.4 〜37.2	16.2 〜18.6	16.2 〜18.6	16.2 〜18.6	32.4 〜37.2	32.4 〜37.2	32.4 〜37.2	16.2 〜18.6	32.4 〜37.2	32.4 〜37.2	16.2 〜18.6	4.1 〜4.7	4.1 〜4.7	2.7 〜3.0
OPERATING AMBIENT TEMPERATURE		0〜＋60℃（0〜＋50℃：100％,＋60℃：75％
REMOTE SENSING		Available (without dual outputs module: E, H, P Module)
REMOTE ON/OFF CONTROL OUTPUT INHIBIT CONTROL		Option I J: output inhibits on each output (TTL level) MJ: output inhibits on all the outputs (TTL level)
SERIES OPERATION		Available (can be operated in series between each output of Output Module and dual Outputs Module)
PARALLEL OPERATION		Available (Please contact to Densei-Lambda before use in parallel operation of the Modules)
OUTPUT VOLTAGE MONITOR SIGNAL		Option for I J Module: monitoring the output voltage up or down (TTL open collector)
INPUT VOLTAGE DETECTOR SIGNAL		Option for M J Module: detecting the output of the active filter (TTL open collector)

(*1)100MHz (measured by the Japanese Standard EIAJ RC-9131)

(*2)input Voltage 85 - 265VAC at costant load

(*3)no-load to full-load, at constant input voltage (When use the remote sensing, the level will be the same as the line regulation.)

(*4)Constant Current Auto-Reset (pre-set before shipment: fixed the limitation)

(*5)Shut Down method with Manual Reset (restart the input to be reset)

As for the mention contents of this page, understand beforehand because it sometimes changes.