Spot and projection welders - Items 2121-2126

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Spot and projection welders - Items 2121-2126 - 32-63 kVA

Built-in compressed air filter unit.
Electrodes speed control valves, shock absorber for end of stroke and air discharge silencers assuring the minimum noise.
Lubrication free pneumatic components to eliminates oil mist and to protect the environment.
Cylinder with chrome plated stem for heavy duty works and long life; adjustable anti-rotation device.
Cylinder with double stroke with key control.
Water-cooled transformer, plates, electrode-holders and electrodes.
Transformer with epoxy resin coated windings.
TE550 constant current microprocessor control unit.Phase shift welding current adjustment. Synchronous SCR contactor insulated from cooling water circuit with protection thermostat.
Two stage electric foot control for clamping and welding pieces only if correctly positioned. The foot control is standard on spot welder models only (on request on projection models).
Pre-setting for additional double stage electric foot connection for the direct recalling of welding program no.2.
Two-hand safety control with timer for maximum safety, and removable key selector, standard on all models. The push-buttons of the two hand control are standard on projection models only (on request on spot welder models).

ITEM		2121	2122	2123	2124	2125	2126
Spot welder		•	-	•	-	•	-
Projection welder		-	•	-	•	-	•
Nominal power at 50%	kVA	32	32	50	50	63	63
Maximum welding power	kVA	83	90	110	120	200	218
Short circuit current	kA	23	25	27	29	35	38
Maximum welding current on aluminium	kA	20.9	22.7	24.5	26.3	31.8	34.5
Maximum welding current on steel	kA	18.4	20	21.6	23.2	28	30.4
Thermal current 100%	A	5100	5100	7000	7000	6200	6200
No load secondary voltages	V	4.4	4.4	5	5	7.1	7.1
Supply voltage 50Hz *	V	400	400	400	400	400	400
Cables section L=30 m	mm²	25	25	35	35	50	50
Delayed fuses	A	63	63	100	100	125	125
Minimum gap	mm	155	125	155	125	155	125
Maximum gap	mm	285	225	285	225	285	225
Depth L	mm	200	-	200	-	200	-
Depth D	mm	-	200	-	200	-	200
Max. electrode force (6 bar)	daN	300	470	470	470	470	470
Maximum stroke	mm	80	80	80	80	80	80
Double stroke - standard	mm	60	60	60	60	60	60
Compressed air supply	bar	6.5	6.5	6.5	6.5	6.5	6.5
Air for 1000 spots (6 bar)
stroke 20 mm	Nm³	1.7	2.6	2.6	2.6	2.6	2.6
max. stroke	Nm³	5.4	8.7	8.7	8.7	8.7	8.7
Air supply hose	mm	10	10	10	10	10	10
Water cooling	l/min	6	6	6	6	6	6
Aerial noise produced	dB(A)	< 70	< 70	< 70	< 70	71	< 70
Measure conditions
working stroke	mm	20	50	20	50	20	50
welding time	cycles	10	21	14	29	7	14
welding current	kA	17.2	19	20	22	26.2	29
working rating in welds/min		15	6	15	6	15	6
Net weight (approximately)	kg	165	167	170	172	185	187

* Different voltages and frequencies on request

2161 Rotary selector for recalling the welding programs on the front side of the welder.

Specifications subject to change without notice