PSW-Multi series Dual-channel PSW-720L11 switching DC power supply

Dual-channel output for independent control
72V, 11A per channel for high power delivery
Advanced overvoltage, overcurrent, and short-circuit protection
High efficiency with low heat generation
Digital interface with real-time monitoring
Programmable settings for flexible use
Compact design suitable for lab and field applications
Precise voltage and current control for testing and R&D

The PSW-Multi Series Dual-Channel PSW-720L11 Switching DC Power Supply is a versatile and high-performance power solution designed for precise and efficient power delivery in a variety of applications. This dual-channel power supply offers independent control of two output channels, each capable of providing a stable DC voltage with a maximum output of 72V and 11A per channel, making it ideal for powering complex circuits, testing prototypes, and conducting R&D projects. Featuring a high switching frequency for improved efficiency and reduced heat generation, the PSW-720L11 is equipped with advanced protection mechanisms, including overvoltage, overcurrent, and short-circuit protection, ensuring the safety and reliability of both the unit and the devices under test. Its intuitive digital interface, real-time monitoring, and programmable features offer easy integration into automated test systems, while the compact design and quiet operation make it suitable for lab and field use. With precise voltage and current control, high resolution, and a broad operating range, the PSW-720L11 stands as an excellent choice for power-intensive applications requiring dual-channel output flexibility.

PSW-Multi Series Module Specifications

Module Type			1	2	4	5	6	8
H/L Voltage Classicfication		—	L	L	L	L	H	H
Rated output voltage		V	30	40	80	160	250	800
Rated output current		A	36	27	13.5	7.2	4.5	1.44
Rated output power		W	360	360	360	360	360	360
Power ratio		—	3	3	3	3.2	3.125	3.2
Constant Voltage Mode			30-36	40-27	80-13.5	160-7.2	250-4.5	800-1.44
Line regulation (*1)		mV	18	23	43	83	128	403
Load regulation (*2)		mV	20	25	45	85	130	405
Ripple and noise (*3)	p-p (*4)	mV	60	60	60	60	80	150
	r.m.s. (*5)	mV	7	7	7	12	15	30
Temperature coefficient		ppm/℃	100ppm/°C of rated output voltage, after a 30 minute warm-up
Remote snese compensation voltage (single wire)		V	0.6	0.6	0.6	0.6	1	1
Rise time (*6)	Rated load	ms	50	50	50	100	100	150
	No load	ms	50	50	50	100	100	150
Fall time (*7)	Rated load	ms	50	50	50	100	150	300
	No load	ms	500	500	500	1000	1200	2000
Transient response time (*8)		ms	1	1	1	2	2	2
Constant Current Mode			30-36	40-27	80-13.5	160-7.2	250-4.5	800-1.44
Line regulation (*1)		mA	41	32	18.5	12.2	9.5	6.44
Load regulation (*9)		mA	41	32	18.5	12.2	9.5	6.44
Ripple and noise	r.m.s.	mA	72	54	27	15	10	5
Temperature coefficient		ppm/℃	200ppm/°C of rated output current, after a 30 minute warm-up
Protection Function			30-36	40-27	80-13.5	160-7.2	250-4.5	800-1.44
Over voltage protection (OVP)	Setting range	V	3-33	4-44	8-88	16-176	20-275	20-880
	Setting accuracy		± (2% of rated output voltage)
Over current protection (OCP)	Setting range	A	3.6-39.6	2.7-29.7	1.35-14.85	0.72-7.92	0.45-4.95	0.144-1.584
	Setting accuracy		± (2% of rated output current)
Over temperature protection (OTP)	Operation		Turn the output off
Low AC input protection (AC-FAIL)	Operation		Turn the output off
Power limit (POWER LIMIT)	Operation		Over power limit.
Power limit (POWER LIMIT)	Value (fixed)		Approx. 105% of rated output power
Analog Programming and Monitoring			30-36	40-27	80-13.5	160-7.2	250-4.5	800-1.44
External voltage control output voltage	at 23 °C ± 5 °C		Accuracy and linearity: ±0.5% of rated output voltage.
External voltage control output current	at 23 °C ± 5 °C		Accuracy and linearity: ±1% of rated output current.
External resistor control output voltage	at 23 °C ± 5 °C		Accuracy and linearity: ±1.5% of rated output voltage.
External resistor control output current	at 23 °C ± 5 °C		Accuracy and linearity: ±1.5% of rated output current.
Output voltage monitor	at 23 °C ± 5 °C		Accuracy: ±1%				Accuracy: ±2%
Output current monitor	at 23 °C ± 5 °C		Accuracy: ±1%				Accuracy: ±2%
Shutdown control			Turns the output off with a LOW (0V to 0.5V) or short-circuit
Output on/off control			Possible logic selections: Turn the output on using a LOW (0V to 0.5V) or short-circuit, turn the output off using a HIGH (4.5V to 5V) or open-circuit. Turn the output on using a HIGH (4.5V to 5V) or open-circuit, turn the output off using a LOW (0V to 0.5V) or short-circuit.
CV/CC/ALM/PWR ON/OUT ON indicator			Photocoupler open collector output; Maximum voltage 30V, maximum sink current 8mA.
Front Panel			30-36	40-27	80-13.5	160-7.2	250-4.5	800-1.44
Display, 4 digits Voltage accuracy	at 23 °C ± 5 °C; ± (0.1% +	mV	20	20	20	100	200	400
Current accuracy	at 23 °C ± 5 °C; ± (0.1% +	mA	40	30	20	5	5	2
Indications			GREEN LED’s: CV, CC, VSR, ISR, DLY, RMT, 20, 40, 60, 80, 100, %W, W, V, A
			RED LED’s: ALM
Buttons			Function, OVP/OCP, Set, Test, Lock/Local, PWR DSPL, Output
Knobs			Voltage, Current
USB port			Type A USB connector
Programming and Measurement (USB, LAN, GPIB)			30-36	40-27	80-13.5	160-7.2	250-4.5	800-1.44
Output voltage programming accuracy	at 23 °C ± 5 °C; ± (0.1% +	mV	10	10	10	100	200	400
Output current programming accuracy	at 23 °C ± 5 °C; ± (0.1% +	mA	30	20	10	5	5	2
Output voltage programming resolution		mV	1	1	2	3	5	14
Output current programming resolution		mA	1	1	1	1	1	1
Output voltage measurement accuracy	at 23 °C ± 5 °C; ± (0.1% +	mV	10	10	10	100	200	400
Output current measurement accuracy	at 23 °C ± 5 °C; ± (0.1% +	mA	30	20	10	5	5	2
Output voltage measurement resolution		mV	1	1	2	3	5	14
Output current measurement resolution		mA	1	1	1	1	1	1
Input Characteristics			30-36	40-27	80-13.5	160-7.2	250-4.5	800-1.44
Efficiency	100Vac	%	77	78	78	79	79	80
	200Vac	%	79	80	80	81	81	82
Input Characteristics			Dual Channel			Triple Channel
Norminal input rating			100Vac to 240Vac, 50Hz to 60Hz, single phase
Input voltage range			85Vac ~ 265Vac
Input frequency range			47Hz ~ 63Hz
Maximum input current	100Vac	A	10			15
	200Vac	A	5			7.5
Inrush current			Less than 50A			Less than 75A
Maximum input power		VA	1000			1500
Power factor	100Vac		0.99
	200Vac		0.97
Hold-up time			20ms or greater
Interface Capabilities			Dual Channel			Triple Channel
USB			TypeA: Host, TypeB: Slave, Speed: 1.1/2.0, USB Class: CDC(Communications Device Class)
LAN			MAC Address, DNS IP Address, User Password, Gateway IP Address, Instrument IP Address, Subnet Mask
GPIB			Optional: GUG-001 (GPIB to USB Adapter)
Environmental Conditions			Dual Channel			Triple Channel
Operaing temperature			0°C to 50 °C
Storage temperature			-25°C to 70 °C
Operating humidity			20% to 85% RH; No condensation
Storage humidity			90% RH or less; No condensation
Altitude			Maximum 2000m
General Specifications			Dual Channel			Triple Channel
Weight	main unit only	kg	Approx. 5.4kg			Approx. 7.7kg
Dimensions	(W×H×D)	mm	142 x 124 x 350			214 x 124 x 350
Cooling			Forced air cooling by internal fan
EMC			Complies with the European EMC directive for Class A test and measurement products
Safety			Complies with the European Low Voltage Directive and carries the CE-marking
Withstand voltage	Between input and chassis		No abnormalities at 1500 Vac for 1 minute
	Between input and output		No abnormalities at 3000 Vac for 1 minute
	Between output and chassis		No abnormalities at 500 Vdc for 1 minute for 30V, 40V, 80V, 160V models No abnormalities at 1500 Vdc for 1 minute for 250V, 800V models
Insulation resistance	Between input and chassis		500 Vdc, 100 M Ω or more
	Between input and output		500 Vdc, 100 M Ω or more
	Between output and chassis		500 Vdc, 100 M Ω or more for 30V, 40V, 80V, 160V and 250V models 1000 Vdc, 100 M Ω or more for 800V models

Notes:

*1: At 85 ~ 132Vac or 170 ~ 265Vac, constant load.

*2: From No-load to Full-load, constant input voltage. Measured at the sensing point in Remote Sense.

*3: Measure with JEITA RC-9131B (1:1) probe

*4: Measurement frequency bandwidth is 10Hz to 20MHz.

*5: Measurement frequency bandwidth is 5Hz to 1MHz.

*6: From 10% to 90% of rated output voltage, with rated resistive load.

*7: From 90% to 10% of rated output voltage, with rated resistive load.

*8: Time for output voltage to recover within 0.1% + 10mV of its rated output for a load change from 50 to 100% of its rated output current.

*9: For load voltage change, equal to the unit voltage rating, constant input voltage.

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HM8001-2

Condition	New

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ACCESSORIES

Power Cord x1(Region dependent)
GTL-123 Test Lead x 1 (30V/40V/80V/160V One low voltage module for each channel)
GTL-240 USB Cable”L” Type x1
PSW-004 Basic Accessories Kit x1(30V/40V/80V/160V low voltage module)
PSW-008 Basic Accessories Kit x1(250V/800V high voltage module)
PSW-009 Output terminal cover(30V/40V/80V/160V low voltage module)
PSW-011 Output terminal cover(250V/800V high voltage module)
PSW-012 High voltage output terminal(250V/800V high voltage module)

OPTIONAL ACCESSORIES

PSW-001 Accessory Kit
PSW-002 Simple IDC Tool
PSW-003 Contact Removal Tool
PSW-010 Large filter (for PSW 720W/1080W models)
GUG-001 GPIB to USB Adaptor
GRA-410-J Rack Mount Kit(JIS)
GRA-410-E Rack Mount Kit(KIA)
GET-001 Extended Terminal with max. 30A(30V/40V/80V/160V low voltage)
GET-002 Extended Terminal with max. 10A(250V/800V high voltage module)
GET-005 Extended European Terminal with max. 20A(30V/40V/80V/160V low voltage module)
GTL-130 Test Lead: 2x red, 2x black(250V/800V high voltage module)
GTL-248 GPIB Cable, 2000mm
GUR-001A USB TO RS-232 Cable (M3), 3000mm
GUR-001B USB TO RS-232 Cable (#4-40 UNC), 3000mm

PSW-Multi series Dual-channel PSW-720L11 switching DC power supply