Control and Load Switches

Catalogs > Industrial Controls Catalog > Motor Control, IEC > Control and Load Switches > Bulletin 194L Control and Load Switches

Bulletin 194L Control and Load Switches

Introduction Standards Compliance and Certifications Product Overview Product Selection
Accessories Switching Diagrams Specifications Approximate Dimensions
Specifications

Electrical Ratings

Performance Data 12 A 16 A 20 A 25 A 32 A 40 A
IEC Applications
Rated voltage Ue ¬  IEC-947 [V] 690 690 690 690 690 690
Isolating conditions acc. to VDE fulfilled up to rated impulse voltage Uimp  
[kV]
6
6
6
6
8
8
Thermal rated current Ith¬  40 °C IEC-947 [A] 16 20 25 30 32 45
Thermal rated current Ithe 60 °C IEC-947 [A] 12 16 20 25 32 45
Rated current Ie¬  IEC-947 690V [A] 12 16 20 25 32 40
AC-1/
AC-21A 		Non-inductive or slightly inductive loads/
switching of resistive loads with slight overload
AC-1 Non-inductive or slightly inductive loads SEV 660V [A] 12 16 20 25 32 40
AC22A Switching of mixed resistive and inductive loads with slight overload IEC-947 220…500V
690V 		[A]
[A] 		12
12 		16
16 		20
20 		25
25 		32
32 		40
40
AC-15 Switching of inductive drives, motors, valves, and electromagnets. IEC-947 220…240V
380…415V
500V 		[A]
[A]
[A] 		5
3
2 		6
4
2.5 		7
5
3 		8
6
4 		— —
DC switching capacity
Rated current Ie 		Contacts in series
          
  Rated Voltage [V] 1 2 3 4 5 6 8            
  24 48 72 96 120 144 192 [A] 12 16 20 22 — —
  48 96 144 192 240 288 384 [A] 10 12 16 18 — —
  60 120 180 240 300 360 450 [A] 8 10 12 14 32 40
DC-21A For resistive loads, T £ 1ms 110 220 330 440 550 660 — [A] 2 2.5 4 5 — —
  220 440 660 — — — — [A] 0.5 0.6 0.7 0.8 — —
  Ue max = 600V 440 — — — — — — [A] 0.4 0.4 0.5 0.5 — —
Rated making/breaking capacity (= 1.5 x Ie)                
  25.2 50.4 75.6 100.8 126 151.2 201.6 [A] 18 24 30 33 — —
      1.05 x Rated voltage [V] 50.4 100.8 151.2 201.6 252 302.4 403.2 [A] 15 21 24 27 — —
  For resistive loads, T Ith 1ms 63 126 189 252 315 378 504 [A] 12 18 18 21 48 60
  115.5 231 346.5 462 577.5 — — [A] 3 4.5 6 7.5 — —
  Ue max = 600V 231 462 — — — — — [A] 0.75 1.12 1.05 1.2 — —
  462 — — — — — — [A] 0.52 0.78 0.47 0.75 — —
Rated current Ie                
  Rated voltage [V] 24 48 72 96 120 144 192 [A] 8 10 12 14 16 16
  30 60 90 120 150 180 240 [A] 4.5 5.5 7 8 — —
  For inductive loads T = 50 ms 48 96 144 192 240 288 384 [A] 1.5 2 2.5 3 8 8
  Rated voltage [V] 60 120 180 240 300 360 450 [A] 1 1.2 1.5 1.8 4.8 4.8
  110 220 330 440 550 660 — [A] 0.4 0.5 0.6 0.7 2 2
  220 — — — — — — [A] — — — — 0.6 0.6
    Rated making/breaking capacity (= 1.1 x Ie)                
  1.1 x Rated voltage [V] 26.4 52.8 79.2 105.6 132 158.4 184.8 [A] 8.8 11 13.2 1.54 — 17.6
  33 66 99 132 165 198 231 [A] 4.95 6.05 7.7 8.8 — —
  For inductive loads T = 50 ms 52.8 105.6 158.4 211.2 264 316.8 369.6 [A] 1.65 2.2 2.75 3.3 8.8 8.8
  Ue max = 600V 66 132 198 264 330 396 462 [A] 1.1 1.32 1.65 1.98 5.28 5.28
  121 242 363 484 605 — — [A] 4.95 6.05 7.7 8.8 2.2 2.2
    Power Lost     [W] 0.3 0.5 0.6 0.9 0.8 1.4
Rated power                  
Pe   Contacts in series                
                 
Rated voltage [V]
DC-23A, DC-3, DC-5
For inductive loads, T £1 ms
 24       1     [kW] 0.12 0.15 0.20 0.25 0.30 0.30
24 2 [kW] 0.20 0.25 0.30 0.37 — —
48 2 [kW] 0.25 0.30 0.37 0.50 0.50 0.50
48 3 [kW] 0.30 0.37 0.50 0.75 — —
60 2 [kW] 0.25 0.30 0.37 0.50 1.00 1.00
60 4 [kW] 0.37 0.50 0.75 1.00 — —
110 4 [kW] 0.50 0.75 1.00 1.20 — —
110 6 [kW] 1.00 1.20 1.40 1.60 — —
220 4 [kW] 0.37 0.50 0.75 1.00 — —
220 6 [kW] 1.00 1.20 1.40 1.50 — —
  
¬ See standards compliance listed on page IEC 60947-3 Low-voltage switchgear and control gear part 3
UL 508
CSA: C22.2 No. 14.
T 32 and 40 A data for one contact in series.

Performance Data, Continued 12 A 16 A 20 A 25 A 32 A 40 A
IEC Applications, Continued
Rated making/breaking capacity (= 4 x Ie)   Contacts in series              
  Rated Voltage [V] 25.2
25.2
50.4
50.4
63
63
115.5
115.5
231
231 		1
2
2
3
2
4
4
6
4
6 		[A]
[A]
[A]
[A]
[A]
[A]
[A]
[A]
[A]
[A] 		20.0
33.3
21.0
25.0
16.6
24.6
18.1
36.4
6.7
18.1 		25.0
41.6
25.0
30.8
20.0
33.3
27.2
43.6
9.1
21.8 		33.3
50.0
30.8
42.0
24.6
50.0
36.4
51.0
13.6
25.2 		41.6
61.6
41.6
62.4
33.2
66.4
44.0
58.2
18.2
27.2 		50.0
—
41.6
—
66.6
—
—
—
—
— 		50.0
—
41.6
—
66.6
—
—
—
—
—
DC-23A, DC-3, DC-5
For inductive loads, T £ 7.5 ms
Rated breaking capacity   at 220V
0.45 [cos j]
at 380V
0.45 [cos j]
at 660V
0.45[cos j] 		[A]

[A]

[A]
 72

72

53
 96

96

72
 128

128

86
 176

176

112
 296

280

196
 296

336

196
Rated power Pe¬  IEC-947            
AC-2 Slip-ring motors: starting, reversing and
electric braking; star/delta starting 		3 Æ
3-pole 		240V
380V
415V
440V
500V
660V 		[kW]
[kW]
[kW]
[kW]
[kW]
[kW] 		3
5.5
5.5
5.5
7.5
7.5 		4
7.5
7.5
7.5
10
10 		5.5
9
9
9
11
11 		5.5
13
13
13
15
15 		—
—
—
—
—
— 		—
—
—
—
—
—
AC-3 Squirrel-cage motors: starting and stopping
of running motors 		IEC-947            
3 Æ
3-pole 		220…240V
380…440V
500V
660V 		[kW]
[kW]
[kW]
[kW] 		2.2
4
5.5
5.5 		3
5.5
7.5
7.5 		4.5
7.5
10
8 		5.5
11
13
11 		7.5
15
—
18.5 		7.5
18.5
—
18.5
1 Æ
2-pole 		110V
220…240V
380…440V 		[kW]
[kW]
[kW] 		0.75
1.3
2.2 		1.1
2.2
3.7 		1.2
2.5
4.5 		1.6
3.2
5.5 		—
4
8 		—
4
16
AC-4 Squirrel-cage motors: starting, reversing,
electric braking, inching 		IEC-947            
3 Æ
3-pole 		220…240V
380…415V
440…550V 		[kW]
[kW]
[kW] 		0.75
1.5
1.5 		1.5
2.2
2.2 		3
3.7
3.7 		4
5.5
5.5 		5.5
7.5
7.5 		5.5
7.5
11
1 Æ
2-pole 		110V
240V
380V
440V 		[kW]
[kW]
[kW]
[kW] 		0.18
0.37
0.75
0.75 		0.37
0.75
1.1
1.1 		0.55
1.5
1.8
1.8 		0.75
2.2
3
3 		—
—
—
— 		—
—
—
—
  
¬ See standards compliance listed on page IEC 60947-3 Low-voltage switchgear and control gear part 3
UL 508
CSA: C22.2 No. 14.

Performance Data, Continued 12 A 16 A 20 A 25 A 32 A 40 A
IEC Applications, Continued
AC-23A Occasional switching of motors and other highly inductive loads
(criterion for selecting main switches) 		IEC-947
3Æ
3-pole
 220…240V
380…440V
500V
660V 		[kW]
[kW]
[kW]
[kW] 		2.2
4
5.5
5.5 		3
5.5
7.5
7.5 		4.5
7.5
10
8 		5.5
11
13
11 		11
18.5
—
22 		11
22
—
22
  1Æ
2-pole
 110V
220…240V
380…440V 		[kW]
[kW]
[kW] 		0.75
1.3
2.2 		1.1
2.2
3.7 		1.2
2.5
4.5 		1.6
3.2
5.5 		—
5.5
11 		—
5.5
11
Short-circuit ratings              
  Rated short-time current (1s)
Strongest series fuse, not in enclosure
Conditional rated short-circuit 		(gL characteristic) [kArms]
[A]

[kA] 		0.48
20¬ 

6 		0.48
20¬ 

6 		0.6
20¬ 

5 		0.75
25¬ 

5 		0.8
35

5 		0.8
40

5
Switch Rate electrical [ops/h] 120 120 120 120 120 120
CSA and UL Applications
Rated Voltage Ue   [V AC] 600 600 600 600 600 600
Ampere
Rating 		Pilot Duty
General Use 		Contact class
Non-inductive or slightly inductive loadT  		[A] A600
12 		A600
16 		—
20 		—
25 		—
32 		—
40
Rated power Pe‡  UL (CSA) (FLA) (FLA) (FLA) (FLA)    
Standard motor DOL rating
(similar to AC-3) 		3Æ
3-pole 		120V
240V
480V
600V 		[Hp]
[Hp]
[Hp]
[Hp] 		1 (7.2)
2 (6.8)
5 (7.6)
5 (6.1) 		1.5 (12)
3 (9.6)
7.5 (11)
7.5 (9) 		2 (13.6)
4 (12.4)
8 (11.6)
10 (11) 		3 (19.2)
6 (18)
12 (17)
15 (17) 		5 (30.4)
7.5 (22)
20 (27)
20 (22) 		5 (30.4)
10 (28)
25 (34)
25 (27)
  1Æ
2-pole 		120V
240V
480V
600V 		[Hp]
[Hp]
[Hp]
[Hp] 		0.5 (9.8)
1 (8.0)
2 (6.0)
3 (6.8) 		.75 (13.8)
1.5 (10.0)
3 (8.5)
3 (6.8) 		1 (16)
2 (12)
4 (11.2)
5 (11.2) 		1.5 (20)
3 (17)
6 (17)
7.5 (16) 		2 (24)
5 (28)
7.5 (21)
10 (20) 		2 (24)
5 (28)
10 (26)
15 (27)
Heavy motor load, reversing Rating (similar to AC-4)
Max. back-up fuse 		3Æ
3-pole
(gG characteristic) 		120V
240V
 [Hp]
[Hp]
[A] 		—
—
35 		—
—
55 		—
—
60 		—
—
80 		   
Short Circuit
Ratings 		Maximum Short Circuit
Prospective Fault Current
Maximum Fuse Size 		  [kA]

[A] 		5

35 		5

55 		5

60 		5

80 		   
Switching Rate electrical [ops/h] 120 120 120 120 120 120
  

Mechanical Data

Performance Data 12/16 A 20/25 A 32/40 A
Protection class acc. to IEC 529 Handles
Switch Bodies 		IP66
IP20 		IP66
IP20 		IP66
IP20
Mechanical Endurance [mil.ops] 1 1 1
Switching rate mechanical [ops/h] 1200 1200 1200
Maximum Wire Gauges      
  rigid wire

fine strands 		AWG
[mm2]
AWG
[mm2] 		(2)18…12
(2)1…2.5
(2)18…12
(2)1…2.5 		(2)16…10
(2)1.5…6
(2)16…10
(2)1.5…4 		(2)12…8
(2)4…10
(2)14…10
(2)2.5…6
  

Environmental Data

Performance Data 12/16/20/25 A 32/40 A
Ambient temperature    
  Operation –25…+60 °C
(–13…+140 °F) 		–25…+60 °C
(–13…+140 °F)
Storage –40…+80 °C
(–40…+176 °F) 		–40…+80 °C
(–40…+176 °F)
  
¬ Does not apply to switches in enclosure.
T Suitable for switching off-load (AC-20) above 660V, but only up to 660V for switches with screws at the rear.
‡ See standards compliance listed on page IEC 60947-3 Low-voltage switchgear and control gear part 3
UL 508
CSA: C22.2 No. 14.