Lakeshore Learning Materials 642 User Manual
Page 16
Lake Shore Model 642 Electromagnet Power Supply User’s Manual
1-6
Introduction
Specifications (Continued)
General
Line power
Power 5500
VA
max
Voltage and current
200/208 VAC
±
10%, 13 A/phase
220/230
VAC
±
10%, 12 A/phase
380
VAC
±
10%, 7 A/phase
400/415
VAC
±
10%, 6.5 A/phase
Protection
Three phase thermal relay, with adjustable current setting
Two class CC 1/4 A fuses
Over-voltage lockout circuit
Frequency
50 Hz or 60 Hz
Configuration 3-phase
delta
Connector
4-pin terminal block
Line voltage must be specified at time of order but is field reconfigurable
Cable from power supply to facility power not included
Cooling water
Flow rate
5.7 L (1.5 gal)/min minimum
Pressure range
34 kPa (5 psi) to 552 kPa (80 psi)
Pressure drop
10 kPa (1.5 psi) at 5.7 L (1.5 gal)/minute minimum for power supply only
Temperature 15
°
C to 30
°
C (non condensing)
Connection
Two 10 mm (0.38 in) hose barbs
CAUTION: Internal condensation can cause damage to the power supply
Enclosure type
7 U high, 19 in rack mount with integral rack mount ears (25 mm (1 in) air space required on
each side for ventilation
Size
483 mm W
×
310 mm H
×
572 mm D (19 in
×
12.2 in
×
22.5 in) with front handles removed
Weight
74 kg (163 lb)
Shipping size
635 mm W × 559 mm H × 736 mm D (25 in × 22 1n × 29 in)
Shipping weight
79.5 kg (175 lb)
Ambient temperature
15
°
C to 35
°
C at rated accuracy, 5
°
C to 40
°
C at reduced accuracy
Humidity Non
condensing
Warm-up
30 min at output current setting
Approvals
CE mark – low voltage compliance to EN61010-3, EMC compliance to EN55022-1
Calibration schedule
1 year
Ordering Information
Part Number
Ordering Information
642-204 Model
642
±
70 A
±
35 V, 2.5 kW, 204/208 VAC
642-225 Model
642
±
70 A
±
35 V, 2.5 kW, 220/230 VAC
642-380 Model
642
±
70 A
±
35 V, 2.5 kW, 380 VAC
642-408 Model
642
±
70 A
±
35 V, 2.5 kW, 400/415 VAC
Options
6041
Water flow switch, 2 gallons/min
6042
64X MPS water valve with mounting bracket and hose barb fittings