Catalog 1308242
Issued 3-03
PRODUCTS UNLIMITED
38
series
Potential Motor Starting Relay
1-pole, 35A, Normally Closed
AC Coil
File E83865
Users should thoroughly review the technical data before selecting a product part
number. It is recommended that users also seek out the pertinent approvals files of
the agencies/laboratories and review them to ensure the product meets the
requirements for a given application.
Features
• Single-pole, normally closed relay used extensively in HVAC applications.
• Variety of mounting positions and brackets.
• Convenient 0.250” (6.35 mm) quick connect terminals.
• Custom-built to meet customer requirements.
Coil Data @ 25°C
Voltage:
130, 170, 214, 256, 336, 395, 420 and 495 VAC, 60 Hz.
Nominal Sealed Power:
5 VA).
Insulation Class:
UL Class B (130°C).
Duty Cycle:
Continuous.
Contact Data @ 25°C
Arrangements:
Normally-Closed.
Materials:
Silver cadmium oxide.
Maximum Rating:
35A inductive @ 277VAC, 0.5 power factor (Break only.)
Expected Life:
750,000 ops, mechanical.
250,000 ops., breaking rated load.
Mechanical Data
Termination:
0.250” (6.35 mm) quick connects (single or dual, model
dependent). Terminals #4 & #6 are dummies for customer
convenience.
Mounting Position:
Each model is calibrated for its specified mounting
position. Pick-up voltage may vary if relay is mounted
in positions other than specified.
Weight:
5.76 oz. (163.8 g) approximately
Initial Dielectric Strength
Initial Breakdown Voltage:
1,554 VAC @ 60 Hz. between live parts and
exposed non-current carrying metal parts.
Ordering Information
Typical Part No.
B
38
-A
144
C
3
000
1. Series:
38 = 1-pole, normally-closed, potential motor starting relay
2. Wiring and Terminal Type (number of QCs at given base locations):
A = 2 @ loc. 1, 2 @ loc. 2, 4 @ loc. 3, 2 @ loc. 5 and 2 @ loc. 6.
D = 2 @ loc. 1, 2 @ loc. 2, 4 @ loc. 3, 2 @ loc. 5 and 0 @ loc. 6.
M = 2 @ loc. 1, 2 @ loc. 2, 2 @ loc. 3, 2 @ loc. 5 and 0 @ loc. 6.
R = 1 @ loc. 1, 2 @ loc. 2, 0 @ loc. 3, 1 @ loc. 5 and 0 @ loc. 6.
S = 1 @ loc. 1, 2 @ loc. 2, 0 @ loc. 3, 2 @ loc. 5 and 0 @ loc. 6.
T = 2 @ loc. 1, 2 @ loc. 2, 0 @ loc. 3, 2 @ loc. 5 and 0 @ loc. 6.
Y = 1 @ loc. 1, 2 @ loc. 2, 4 @ loc. 3, 2 @ loc. 5 and 0 @ loc. 6.
3. Coil Rating and Calibration:
000-999 = See table on following page for details.
4. Mounting Bracket Style:
C, D, F or J = See drawings below for details.
C
1.59
(40.39)
#8-32
UNC-2B THD.
D
F
J
.500
(12.7)
#8-32
UNC-2B THD.
1.00
(25.4)
1.563
(39.7)
5. Mounting Position:
1, 2, 3, 4, 5 & 6 = See drawings below for details. NOTE: Devices calibrated in specified mounting position only.
1
2
3
4
5
6
6. Customer ID Suffix:
000-999 = Factory assigned customer ID
Standard part numbers listed below are more likely to be available from stock.
Custom parts only.
Dimensions are shown for
Dimensions are in inches over
(millimeters) unless otherwise
specified.
Specifications and availability
subject to change.
www.tycoelectronics.com
Technical support:
Refer to inside back cover.
818
reference purposes only.
Catalog 1308242
Issued 3-03
PRODUCTS UNLIMITED
Coil Rating & Calibration Table
Select proper continuous coil voltage from top of appropriate column, select pick - up (PU) and drop-out (DO)
voltages and insert relay calibration (RC) number in part number.
COIL #1
130 V 60 Hz
117 V 50 Hz*
RES.@
1480+10%
24°C
RC#
PU
DO
1
8
15
22
29
36
43
50
57
111-125
20-50
64
121-134
20-50
71
130-143
20-55
78
139-153
20-55
85
149-163
20-55
92
99
106
113
120
127
134
141
80-110
20-55
148
62-76
20-45
156
163
170
178
185
COIL #2
COIL #3
COIL #4
170 V 60 Hz
256 V 60 Hz
336 V 60 Hz
151 V 50 Hz*
228 V 50 Hz*
299 V 50 Hz*
RES.@
2040+10% RES.@
5100+10% RES.@
6800+10%
24°C
24°C
24°C
RC#
PU
DO
RC#
PU
DO
RC#
PU
DO
2
159-172
20-77
3
240-269
45-95
4
243-271
55-125
9
10
259-288
45-95
11 261-290
55-125
16
17
278-306
45-115
18 280-309
55-125
23
24
296-325
45-115
25 299-327
55-125
30
31
315-343
45-115
32 317-345
55-125
37
38
323-352
45-115
39 326-354
55-125
44
45
333-363
45-115
46 335-364
55-125
51
52
285-305 MAX. 77
53 340-370
55-125
58 111-124
30-65
59
240-269
35-77
60 171-184
40-90
65 120-134
30-65
66
123-134
25-77
67 168-182
MAX. 90
72 130-144
30-65
73
74 180-195
40-90
79 140-153
30-65
80
136-150
45-90
81 219-253
40-115
86 149-163
30-65
87
150-163
45-90
88 152-166
55-115
93 159-172
30-65
94
159-172
45-90
95 162-175
55-115
100 168-182
30-65
101 168-182
45-95
102 171-184
55-115
107 178-192
30-75
108 178-192
45-95
109 180-193
55-115
114 139-153 MAX. 55 115 185-213
45-95
116 188-214
55-115
121
122 203-231
45-95
123 205-234
55-115
128
129 221-250
45-95
130 224-252
55-125
135
136 140-152
33-77
137 186-215
40-90
142
143 285-305
45-115
144 162-175
40-90
149
150 159-172
35-77
151 162-175
70-100
157
158 150-162 MAX. 77 159 243-271
40-90
164
165 136-150 MAX. 50 166 205-234
40-90
171
172 166-182
35-77
173 180-195 MAX.105
179
180
181 224-252
40-90
186
187
188 280-309
55-100
194 205-234
40-90
198 152-166
40-90
COIL #7
COIL #8
495 V 60 Hz
214 V 60 Hz
452 V 50 Hz*
193 V 50 Hz*
RES.@
15200+10% RES.@
2840+10%
24°C
24°C
RC#
PU
DO
RC#
PU
DO
7
239-268
75-170
193 158-171
25-57
14
258-287
75-170
196 120-134
25-56
21
277-305
75-170
197 129-142
25-57
28
295-324
75-170
35
314-342
75-180
42
323-352
75-180
49
332-361
75-180
56
258-287
60-135
63
70
323-352 MAX.135
77
277-305
75-150
84
295-324
60-135
91
325-345 MAX.135
98
105
112 239-268
60-135
119 325-345
75-170
126 277-305
60-135
133
140
147
154
162
169
176
184
191
Outline Dimensions
1.59
(40.4)
.156
(3.96)
.250
(6.35)
2.065
(52.45)
1.82
(46.2)
1.82
(46.2)
COIL #5
COIL #6
395 V 60 Hz
420 V 60 Hz
338 V 50 Hz*
378 V 50 Hz*
12700+10%
RES.@
9600+10% RES.@
24°C
24°C
RC#
PU
DO
RC#
PU
DO
5
245-275
60-140
6
242-272
75-150
12
262-290
60-140
13 262-290
75-150
19
280-310
60-140
20 280-310
75-160
26
305-335
60-140
27 300-328
75-160
33
187-208
60-130
34 318-347
75-160
40
326-354
60-140
41 328-356
75-150
47
335-365
60-140
48 337-366
75-160
54
340-370
60-140
55 340-370
75-160
61
180-195
40-105
62 300-328
75-121
68
215-225 MAX.120 69 300-328 MAX.125
75
334-363
50-110
76 212-232 MAX.121
82
298-326
50-110
83 195-224
60-121
89
189-205
60-130
90 204-233
60-121
96
162-175
50-100
97 260-290
60-121
103 180-195
50-100 104 242-272
60-121
110 180-195
60-130 111 180-195
60-121
117 190-215
60-130 118 190-215
60-121
124 208-239
60-130 125 204-233
75-150
131 223-254
60-140 132 223-252
75-150
138 245-275 MAX.120 139 195-224
75-150
145 208-239 MAX.120 146 320-340
60-121
152 260-275 MAX.120 153 295-315 MAX.195
160 260-275
60-140 161 218-243
60-121
167 215-225
60-130 168 205-234
40-90
174 239-270
50-110 175 223-252
60-121
182 208-239
50-110 183 295-315 MAX.125
189 224-252
60-121 190 280-310
60-121
195 190-215
40-105 192 180-195
40-105
200 279-308
50-110
2.03
(51.6)
*For 50 Hz, add 300 to RC# - i.e. for 151 V 50 Hz, RC# 58 changes to 358.
Dimensions are shown for
reference purposes only.
Dimensions are in inches over
(millimeters) unless otherwise
specified.
Specifications and availability
subject to change.
www.tycoelectronics.com
Technical support:
Refer to inside back cover.
819
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