10/3/22, 1:36 AM
Low Voltage Solder or Quick Connect Terminals - 2.4 VA to 102 VA (186-187 Series) - Hammond Mfg.
Quality Products. Service Excellence.
Low Voltage Solder or Quick Connect Terminals - 2.4 VA to 102 VA
186-187 Series
Chassis Mount - 115 & 115/230 V Primary
Features
Choice of two primaries: Single Primary 115VAC (187 series) or Dual Primary
115/230VAC (186 series).
Either series operates on 50/60 Hz.
Combination solder or quick connect terminals.
Split bobbin construction eliminates the need for an electrostatic shield.
Hi-pot tested to 2 KV RMS.
Economical open style, channel frame - chassis mount design
Insulation material - Class B or 130 C
Lower temperature rise designed not to exceed Class A for longer life.
UL listed (# E207860) Type 3AH
CSA Certified
A wiring diagram for this series can be downloaded here.
Gallery
https://www.hammfg.com/electronics/transformers/power/186-187
1/4
10/3/22, 1:36 AM
Low Voltage Solder or Quick Connect Terminals - 2.4 VA to 102 VA (186-187 Series) - Hammond Mfg.
Dimensions
Part No.
Part No.
Secondary
Mounting
Depth
Single Primary
Dual Primary
(R.M.S.)
Current
VA
Length
(Not Including Terminals)
Height
Centers
To Terminal
115 VAC
115/230 VAC
VAC
(Amps)
Rating
L
B
C
D
E
187A10
10V C.T.
0.25
2.5
2.06
1.06
1.18
1.75
1.44
187B10
186B10
10V C.T.
0.6
6
2.37
1.25
1.37
2.00
1.62
187C10
186C10
10V C.T.
1.2
12
2.81
1.37
1.62
2.37
1.73
187D10
186D10
10V C.T.
3
30
3.25
1.68
1.93
2.81
2.06
187E10
186E10
10V C.T.
5
50
3.68
1.81
2.25
3.12
2.19
187F10
186F10
10V C.T.
10
100
4.03
2.25
2.56
3.50
2.62
187A12
-
Depth
12.6V C.T.
0.19
2.5
2.06
1.06
1.18
1.75
1.44
187B12
186B12
12.6V C.T.
0.5
6.3
2.37
1.25
1.37
2.00
1.62
187C12
186C12
12.6V C.T.
1
12.6
2.81
1.37
1.62
2.37
1.73
187D12
186D12
12.6V C.T.
2.5
31.5
3.25
1.68
1.93
2.81
2.06
https://www.hammfg.com/electronics/transformers/power/186-187
2/4
10/3/22, 1:36 AM
Low Voltage Solder or Quick Connect Terminals - 2.4 VA to 102 VA (186-187 Series) - Hammond Mfg.
Dimensions
Part No.
Part No.
Secondary
Mounting
Depth
Single Primary
Dual Primary
(R.M.S.)
Current
VA
Length
(Not Including Terminals)
Height
Centers
To Terminal
115 VAC
115/230 VAC
VAC
(Amps)
Rating
L
B
C
D
E
187E12
186E12
12.6V C.T.
4
50.4
3.68
1.81
2.25
3.12
2.19
187F12
186F12
12.6V C.T.
8
100.8
4.03
2.25
2.56
3.50
2.62
16V C.T.
0.15
2.4
2.06
1.06
1.18
1.75
1.44
187A16
-
Depth
187B16
186B16
16V C.T.
0.4
6.4
2.37
1.25
1.37
2.00
1.62
187C16
186C16
16V C.T.
0.8
12.8
2.81
1.37
1.62
2.37
1.73
187D16
186D16
16V C.T.
2
32
3.25
1.68
1.93
2.81
2.06
187E16
186E16
16V C.T.
3.5
56
3.68
1.81
2.25
3.12
2.19
187F16
186F16
16V C.T.
6.25
100
4.03
2.25
2.56
3.50
2.62
20V C.T.
0.12
2.4
2.06
1.06
1.18
1.75
1.44
187A20
-
187B20
186B20
20V C.T.
0.3
6
2.37
1.25
1.37
2.00
1.62
187C20
186C20
20V C.T.
0.6
12
2.81
1.37
1.62
2.37
1.73
187D20
186D20
20V C.T.
1.5
30
3.25
1.68
1.93
2.81
2.06
187E20
186E20
20V C.T.
2.8
56
3.68
1.81
2.25
3.12
2.19
187F20
186F20
20V C.T.
5
100
4.03
2.25
2.56
3.50
2.62
24V C.T.
0.1
2.4
2.06
1.06
1.18
1.75
1.44
187A24
-
187B24
186B24
24V C.T.
0.25
6
2.37
1.25
1.37
2.00
1.62
187C24
186C24
24V C.T.
0.5
12
2.81
1.37
1.62
2.37
1.73
187D24
186D24
24V C.T.
1.25
30
3.25
1.68
1.93
2.81
2.06
187E24
186E24
24V C.T.
2.4
57.6
3.68
1.81
2.25
3.12
2.19
187F24
186F24
24V C.T.
4
96
4.03
2.25
2.56
3.50
2.62
28V C.T.
0.08
2.4
2.06
1.06
1.18
1.75
1.44
187A28
-
187B28
186B28
28V C.T.
0.2
5.6
2.37
1.25
1.37
2.00
1.62
187C28
186C28
28V C.T.
0.42
12
2.81
1.37
1.62
2.37
1.73
187D28
186D28
28V C.T.
1.07
30
3.25
1.68
1.93
2.81
2.06
187E28
186E28
28V C.T.
2
56
3.68
1.81
2.25
3.12
2.19
187F28
186F28
28V C.T.
3.57
100
4.03
2.25
2.56
3.50
2.62
36V C.T.
0.06
2.34
2.06
1.06
1.18
1.75
1.44
187A36
-
187B36
186B36
36V C.T.
0.17
6.12
2.37
1.25
1.37
2.00
1.62
187C36
186C36
36V C.T.
0.35
12.6
2.81
1.37
1.62
2.37
1.73
187D36
186D36
36V C.T.
0.85
30.6
3.25
1.68
1.93
2.81
2.06
187E36
186E36
36V C.T.
1.5
54
3.68
1.81
2.25
3.12
2.19
187F36
186F36
36V C.T.
2.8
100.8
4.03
2.25
2.56
3.50
2.62
48V C.T.
0.05
2.4
2.06
1.06
1.18
1.75
1.44
187A48
-
187B48
186B48
48V C.T.
0.12
6
2.37
1.25
1.37
2.00
1.62
187C48
186C48
48V C.T.
0.25
12
2.81
1.37
1.62
2.37
1.73
187D48
186D48
48V C.T.
0.62
30
3.25
1.68
1.93
2.81
2.06
187E48
186E48
48V C.T.
1.2
57.6
3.68
1.81
2.25
3.12
2.19
187F48
186F48
48V C.T.
2
96
4.03
2.25
2.56
3.50
2.62
56V C.T.
0.04
2.5
2.06
1.06
1.18
1.75
1.44
187A56
-
187B56
186B56
56V C.T.
0.11
6.16
2.37
1.25
1.37
2.00
1.62
187C56
186C56
56V C.T.
0.21
12.3
2.81
1.37
1.62
2.37
1.73
187D56
186D56
56V C.T.
0.53
30
3.25
1.68
1.93
2.81
2.06
187E56
186E56
56V C.T.
1
56
3.68
1.81
2.25
3.12
2.19
187F56
186F56
56V C.T.
1.8
100.8
4.03
2.25
2.56
3.50
2.62
120V C.T.
0.02
2.4
2.06
1.06
1.18
1.75
1.44
0.05
6
2.37
1.25
1.37
2.00
1.62
187A120
-
187B120
186B120
120V C.T.
187C120
186C120
120V C.T.
0.1
12
2.81
1.37
1.62
2.37
1.73
187D120
186D120
120V C.T.
0.25
30
3.25
1.68
1.93
2.81
2.06
187E120
186E120
120V C.T.
0.5
60
3.68
1.81
2.25
3.12
2.19
187F120
186F120
120V C.T.
0.85
102
4.03
2.25
2.56
3.50
2.62
Tags:
3AH
https://www.hammfg.com/electronics/transformers/power/186-187
Data subject to change without notice
3/4
10/3/22, 1:36 AM
Low Voltage Solder or Quick Connect Terminals - 2.4 VA to 102 VA (186-187 Series) - Hammond Mfg.
© 2022. Hammond Manufacturing Ltd. All rights reserved.
https://www.hammfg.com/electronics/transformers/power/186-187
4/4
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