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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.
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.
Initial Dielectric Strength
Initial Breakdown Voltage: 1,554 VAC @ 60 Hz. between live parts and
exposed non-current carrying metal parts.
Ordering Information
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.
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
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.
1.59
(40.39)
C D
F
J
#8-32
UNC-2B THD.
.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
818 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.
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