Description
DC Electronic Load
The ALx Series MagnaLOAD utilizes conventional linear MOSFET-based dissipative elements, allowing the series to achieve a very wide voltage-current operating range within the model’s maximum power rating. Using the same heat management innovations developed for Magna-Power’s high density programmable DC power supplies, the ALx Series’ conservative cooling ensures long product life with continuous full power operation in environments up to 50°C ambient operating temperature.
 
			 
					
				
The following specifications are subject to change without notice. Unless otherwise noted, all specifications measured at the product’s maximum ratings.
 
AC Input Specifications
| Specification | Value | 
| 1Φ, 2-wire + ground | 100-240 Vac (UI: Universal Input); Available on 1.25 to 17.5 kW Models 200-240 Vac (UI2: Universal Input 2); Available on 20 kW Models
 | 
|  | 50-60 Hz | 
|  | ±1500 Vac, maximum input voltage to ground | 
Programming Interface Specifications
| Specification | Value | 
|  | Aluminum rotary knob with encoder, keypad, or up-down arrow for single bit control | 
| Standard | USB Host (Front): Type B USB Host (Rear): Type B
 RS485 (Rear): RJ-45
 MagnaLINK™: RJ-25 x 2
 | 
|  | LXI TCP/IP Ethernet (Rear): RJ-45 GPIB (Rear): IEEE-488
 | 
| Analog and Digital Programming | 25-pin D-sub DB-25, female Referenced to Earth ground; isolated from the DC input
 See User Manual for pin layout
 | 
Programming Specifications
| Specification | Value | 
| All Modes | 16-bit, 0.0015% | 
| Programming and Measurement | Voltage: ±0.1% of full scale voltage rating Current: ±0.2% of full scale current rating
 Power: ±0.3% of full scale power rating
 Resistance: ±0.3% of full scale resistance rating
 | 
| Maximum | Voltage Mode: 100 ms, 10% to 90% full scale voltage rating Current Mode: 2 ms, 10% to 90% full scale current rating
 Power Mode: 100 ms, 10% to 90% full scale power rating
 Resistance Mode: 200 ms, 10% to 90% full scale resistance rating
 | 
|  | Over Voltage: 10% to 110% of full scale voltage rating Under Voltage: 0% to 110% of full scale voltage rating
 Over Current: 10% to 110% of full scale current rating
 Over Power: 10% to 110% of full scale power rating
 | 
External User I/O Specifications
| Specification | Value | 
|  | Digital Input Voltage: 5V Digital Input Impedance: 10 kΩ
 Digital Monitoring Voltage: 5V, 32 mA capacity
 Digital Reference Voltage: 5V, 20 mA capacity
 | 
|  | Analog Sampling Rate: 2 kHz Analog Programming Voltage: 0-10 V
 Analog Programming Resolution: 12-bit, 0.025%
 Analog Monitoring Voltage: 0-10 V, 3 mA capacity
 Analog Monitoring Impedance: 0.005 Ω
 Analog Monitoring Accuracy: 0.05% of full scale
 Analog Reference Voltage: 10 V, 20 mA capacity
 | 
Physical Specifications
| Specification | Value | 
| 1.25 kW and 2.5 kW Models Only | EIA-310 | 
| 1.25 kW Models | 3U 5.25” H x 19” W x 24” D (13.34 x 48.26 x 60.96 cm)
 40 lbs (18.1 kg)
 | 
| 2.5 kW Models | 3U 5.25” H x 19” W x 24” D (13.34 x 48.26 x 60.96 cm)
 65 lbs (29.5 kg)
 | 
| 5 kW Models | 12U Cabinet 30.7” H x 24” W x 31.5” D (78.0 x 61.0 x 80.0 cm)
 255 lbs (115.7 kg)
 | 
| 7.5 kW Models | 12U Cabinet 30.7” H x 24” W x 31.5” D (78.0 x 61.0 x 80.0 cm)
 320 lbs (145.2 kg)
 | 
| 10 kW Models | 12U Cabinet 30.7” H x 24” W x 31.5” D (78.0 x 61.0 x 80.0 cm)
 385 lbs (174.6 kg)
 | 
| 12.5 kW Models | 24U Cabinet 58.25” H x 24” W x 31.5” D (148.0 x 61.0 x 80.0 cm)
 500 lbs (226.8 kg)
 | 
| 15 kW Models | 24U Cabinet 58.25” H x 24” W x 31.5” D (148.0 x 61.0 x 80.0 cm)
 565 lbs (256.3 kg)
 | 
| 17.5 kW Models | 24U Cabinet 58.25” H x 24” W x 31.5” D (148.0 x 61.0 x 80.0 cm)
 630 lbs (285.8 kg)
 | 
| 20 kW Models | 24U Cabinet 58.25” H x 24” W x 31.5” D (148.0 x 61.0 x 80.0 cm)
 695 lbs (315.3 kg)
 | 
Environmental Specifications
| Specification | Value | 
| 
Ambient Operating Temperature | 0°C to 50°C | 
|  | -25°C to +85°C | 
|  | Relative humidity up to 95% non-condensing | 
|  | Front air inlet, rear exhaust | 
Regulatory Specifications
| Specification | Value | 
|  | Complies with 2014/30/EU (EMC Directive) CISPR 22 / EN 55022 Class A
 | 
|  | NRTL Listed, TÜV SÜD Certificate U8 123461 0002 Tested to UL 61010-1:2012/R:2019-07 and CSA C22.2 No. 61010:2012/A1:2018-11
 Complies with EN61010-1 and 2014/35/EU (Low Voltage Directive)
 | 
|  | Yes | 
|  | Yes | 
 
			 
		
			
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