18
DIVISION OF DELTROL CORP.
FEATURES
■ 30 Amp Switching on all Contacts (25 Amps in Europe)
■ Coil Molded in DuPont Rynite®, Providing Class F
Temperature Insulation
■ Dual Flag Terminal Option allows easy serial connection of
multiple devices
■ Low Cost Alternative to Small Contactors
■ PPS engineering thermoplastic panel provides superior
mechanical and electrical characteristics
CONTACT DATA
CONFIGURATION:
3PST-NO, 3PST-NC & 3PDT
MATERIALS:
All Contacts 1/4” Diameter Silver Cadmium Oxide
CONTACT RATINGS
UL RECOGNIZED FILE NO.: E37066
US and Canadian recognition
CE Marked - AC1/DC1
EXPECTED LIFE
Electrical At Rated Load (Minimum)
100,000 Operations
Mechanical Life
10,000,000 Operations
DIELECTRIC STRENGTH
2200 VRMS, 60 Hz Between Contacts
3750 VRMS, 60 Hz Between Other Elements
Coil Voltages: AC: Up to 277 Volts/60 Hz
DC: Up to
125 Volts
Coil Treatment: Molded Rynite®Std. Class F
Insulation Resistance: 100 Megohms Minimum
UL Insulation System File No.: E74443
S155D 155˚C Total Temperature Std.
OPERATE DATA
Pick Up (at 25˚C): AC Volts 85% or Less of Nominal
DC Volts 75% or Less of Nominal
Operate Time: Approx. 15 Milliseconds
Release Time: Approx. 15 Milliseconds
ENVIRONMENTAL DATA
Operating Ambient: 50˚C max. @ full load continuous
operation. Consult factory for
information on
higher operating ambients.
MECHANICAL DATA
Terminals: .250" x .032" Quick Connect/Solder
Dual Terminal versions .250" x .032" Quick Connect
Panel: PPS (polyphenylene sulfide) thermoplastic -
Flammability Rating 94VO
Cover: Clear Polycarbonate - Flammability Rating 94V2
Weight: Approx. 3.5oz. (99g)
375
SERIES
3 POLE 30 AMP
POWER RELAY
POLE
MODEL
CONFIG.
UL RATINGS
375
375
3
PST-NO
3PST-NC
3PDT
30 amp at 300VAC 80% PF
15 amp at 600VAC 80% PF
30 amp at 28VDC
1 HP at 120VAC
2 HP at 240/277VAC; 100,000 cycles
3 HP at 480VAC; 100,000 cycles
3 HP at 600 VAC; 100,000 cycles
5 HP at 230VAC 3-phase;
6,000 cycles endurance
7.5 HP at 460VAC 3-phase;
6,000 cycles endurance
20 amp at 480VAC ballast; 6000 cycles
20 amp at 277VAC ballast; 6000 cycles
30 amp at 277VAC resistive; 100,000 cycles
18 amp at 480VAC resistive; 250,000 cycles
15 amp at 600VAC resistive; 250,000 cycles
100LRA, 30FLA at 240/277VAC;
100,000 cycles
50LRA, 20FLA at 600VAC; 100,000 cycles
RESISTANCE NOMINAL
NOMINAL
IN OHMS COIL
VOLTAGE
± 10% POWER
AC Coils
DC Coils
4.6VA
2.6W
6VDC
12VDC
24VDC
48VDC
110VDC
14
56
230
900
4900
MODELS
375F: Flange Cover
375TM: Top Mount Cover
375P: Printed Circuit Terminals
COIL DATA
6VAC
12VAC
24VAC
48VAC
120VAC
208VAC
240VAC
277VAC
2.4
9.5
38
150
970
3075
3800
5325
3PST-NO
3PST-NC
3PDT
25A at 300VAC ~ AC1
25A at 28VDC DC1
per EN60947-4-1
European Ratings
—
---
19
375P
.187 x .032
(4.75 x .81)
COIL
TERMINALS
.250 x .032
(6.35 x .81)
TERMINALS
ORDERING INFORMATION
30 AMP Part Numbers
DIMENSIONS [Unit Inch (mm)]
SCHEMATICS
3PST-NO
3PST-NC
3PDT
*Black Items are Normally Stocked.
Blue Items are Non Stock. Minimum May Be Required.
AC Coils DC Coils
Model Pole Configuration 24VAC 120VAC 240VAC 12VDC 24VDC 110VDC
3PST-NO 21009-82* 21009-84* 21009-85* 21012-81 21012-82* 21012-84
375
TM 3PST-NC 21010-82 21010-84 21010-85 21013-81 21013-82 21013-84
3
PDT 21011-82* 21011-84* 21011-85* 21014-81* 21014-82* 21014-84
3
PST-NO 21017-82 21017-84 21017-85 21020-81 21020-82 21020-84
375
F 3PST-NC 21018-82 21018-84 21018-85 21021-81 21021-82 21021-84
3
PDT 21019-82 21019-84 21019-85 21022-81 21022-82 21022-84
3
PST-NO 21038-82 21038-84 21038-85 21041-81 21041-82 21041-84
375
P 3PST-NC 21039-82 21039-84 21039-85 21042-81 21042-82 21042-84
3
PDT 21040-82 21040-84 21040-85 21043-81 21043-82 21043-84
PC BOARD LAYOUT - ALL PINS SHOWN. SELECT
THOSE REQUIRED BASED ON SCHEMATIC FOR
POLE CONFIGURATION UTILIZED. RECOMMENDED
HOLE SIZES - .078 (1.98) FOR COIL (A&B)
.109 (2.77) FOR OTHERS (1-9)
2.75
(69.85)
2.90
(73.66)
1.40
(35.56)
.156 (3.96)
.625
(15.88)
375F
123
456
7
89
AB
2.13
(54.10)
2.50
(63.50)
.250 (6.35) x .032 (.81)
Q.C. TERMINALS
N.C. CONTACTS
N.O. CONTACTS
SWINGERS
COIL
3.160
(80.26)
375TM
.062 (1.57)
.170
(4.32)
2.35
(59.69)
1.50 (38.1)
.750
(19.05)
.540
(13.72)
.31
(7.87)
Dual Flag Terminal Option
Available on NO or NC contact sets only
.150
(3.81)
.090 (2.29)x .032 (.81)
.055 (1.40)
x .032 (.81)
Coil Terminals only
2.35
(59.7)
.874
(22.2)
.300 (7.62)
.437
(11.1)
.646
(16.4)
.897
(22.78)
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