Lakeshore Learning Materials 642 - 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