16
SERIES
35 AMP
POWER RELAY
FEATURES
■ 35 Amps Switching on all Contacts thru a DPDT
Configuration (25 Amps in Europe)
■ Coil Molded in DuPont Rynite®, Providing Class F
Temperature Insulation
■ Low Cost Alternative to Small Contactors
CONTACT DATA
CONFIGURATION:
Thru DPDT, Including SPST-NO-DM, SPST-NC-DB and
DMDB
MATERIALS:
All Contacts 1/4" Silver Cadmium Oxide
CONTACT RATINGS
MODEL POLE UL
CONFIG. RATINGS
35 amp at 277VAC
SPST-NO 15 amp at 600VAC
SPST-NC 25 amp at 28VDC
SPDT 1 HP at 120VAC
DPST-NO 2 HP at 240/277VAC
DPST-NC 3 HP at 480VAC
DPDT 17 FLA, 60 LRA at 300VAC
25 FLA, 125 LRA at 240/277 VAC
35 FLA, 100 LRA at 240/277 VAC
Heavy Pilot Duty, 600VAC
20 amp at 277VAC Ballast
270/275 20 amp at 480VAC Ballast
35 amp at 300VAC
15 amp at 600VAC
35 amp at 28VDC
5 amp at 125VDC
SPST-NO-DM 1 HP at 120VAC
SPST-NC-DB 2 HP at 240/277VAC
SPDT-DM-DB 3 HP at 480VAC
17 FLA, 60 LRA at 300VAC
25 FLA, 125 LRA at 240/277 VAC
35 FLA, 100 LRA at 240/277 VAC
Heavy Pilot Duty, 600VAC
20 amp at 277VAC Ballast
20 amp at 480VAC Ballast
SEMKO RATINGS
SPST-NO
SPST-NC
SPDT
25 amp at 250VAC, 50 Hz AC-1
275F DPST-NO 25 amp at 28VDC DC-1
275P DPST-NC
12 amp at 240VAC 50 Hz AC-3
275T DPDT
SPST-NO-DM
35 amp at 250VAC 50 Hz AC-1
SPST-NC-DB 35 amp at 28VDC DC-1
SPDT-DM-DB
12 amp at 240VAC 50 Hz AC-3
UL RECOGNIZED FILE NO.: E37066
US and Canadian Recognition
SEMKO CERTIFICATE NO.: 9648100/01* Model 275 F,P, T
* Double Pole units may require 150°C load wire for some applications.
MODELS
270S: Open Frame w/Stud & Locator Tab
275F: Flange Cover
275T: Top Mount Cover, Other Suffixes Available
B-Bracket Provided, L-Tap & Locator,
P-Printed Circuit Pins
COIL DATA
RESISTANCE NOMINAL
NOMINAL IN OHMS COIL
VOLTAGE ± 10% POWER
6VAC 3.5
12VAC 14
24VAC 56 2.4VA
AC Coils 48VAC 230
120VAC 1500
240VAC 6000
6VDC 20
12VDC 80
DC Coils 24VDC 315 1.8W
48VDC 1300
110VDC 6800
Coil Voltages: USA/Canada European
AC: Up to 277 Volts/60 Hz Up to 250 Volts 50/60 Hz
DC: Up to 125 Volts 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.
(Covers S105 Class A and S130D Class B Requirements)
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: 60°C max. @ full load continuous
operation. Consult factory for information on
higher operating ambients.
Coil Temperature Rise: (25°C Ambient – Continuous Duty)
AC: 45°C Approx. @ 60 Hz – Use at 50 Hz
will Cause Slight Increase in Coil Rise
DC: 40°C Approx.
EXPECTED LIFE
Electrical At Rated Load (Minimum)
100,000 Operations
Mechanical Life
10,000,000 Operations
DIELECTRIC STRENGTH
1200 VRMS, 60 Hz Between Contacts
2200 VRMS, 60 Hz Between Other Elements
MECHANICAL DATA
Terminals:
All Versions (Except P Suffix)
.250" x .032" Quick Connect/Solder
P Suffix Version Printed Circuit Pins
Cover: Clear Polycarbonate - Flammability Rating 94V2
Weight: Approx. 3 oz. (85 g)
275F
270
Model 275 F, P, T
270 & 275
DIVISION OF DELTROL CORP.
17
DIMENSIONS
[Unit Inch (mm)]
SCHEMATICS
35 AMP Part Numbers
AC Coils DC Coils
MODEL
POLE
24VAC 120VAC 240VAC 12VDC 24VDC 110VDC
CONFIG.
SPST-NO 20837-82 20837-84 20837-85 20845-81 20845-82 20845-84
SPST-NC 20838-82 20838-84 20838-85 20846-81 20846-82 20846-84
275F
SPDT 20839-82 20839-84 20839-85 20847-81 20847-82 20847-84
DPST-NO 20842-82 20842-84 20842-85 20850-81 20850-82 20850-84
DPST-NC 20843-82 20843-84 20843-85 20851-81 20851-82 20851-84
DPDT 20844-82* 20844-84* 20844-85 20852-81 20852-82* 20852-84
SPST-NO 20973-82 20973-84 20973-85 20970-81 20970-82 20970-84
SPST-NC 21058-82 21058-84 21058-85 21059-81 21059-82 21059-84
275P
SPDT 21057-82 21057-84 21057-85 21016-81 21016-82 21016-84
DPST-NO 21044-82 21044-84 21044-85 21023-81 21023-82 21023-84
DPST-NC 20976-82 20976-84 20976-85 20934-81 20934-82 20934-84
DPDT 20931-82 20931-84 20931-85 20930-81 20930-82 20930-84
SPST-NO 20993-82 20993-84 20993-85 21001-81 21001-82 21001-84
SPST-NC 20994-82 20994-84 20994-85 21002-81 21002-82 21002-84
275T
SPDT 20995-82 20995-84 20995-85 21003-81 21003-82 21003-84
DPST-NO 20998-82 20998-84 20998-85 21006-81 21006-82 21006-84
DPST-NC 20999-82 20999-84 20999-85 21007-81 21007-82 21007-84
DPDT 21000-82 21000-84 21000-85 21008-81 21008-82 21008-84
35 AMP Part Numbers
275F
SPST-NO-DM 20840-82 20840-84 20840-85 20848-81 20848-82* 20848-84
SPST-NC-DB 20841-82 20841-84 20841-85 20849-81 20849-82 20849-84
275T
SPST-NO-DM 20996-82 20996-84 20996-85 21004-81 21004-82 21004-84
SPST-NC-DB 20997-82 20997-84 20997-85 21005-81 21005-82 21005-84
* Shaded Items Are Normally Stocked.
All Other Items Are Non Stock. Minimum Quantity May Be Required.
ORDERING INFORMATION
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)
275L
275P
.090 x .032
(2.29) (.81)
.055 x .032
(1.40) (.81)
COIL
TERMINALS
ONLY
.187 x .032
(4.75 x .81)
COIL
TERMINALS
.250 x .032
(6.35 x .81)
TERMINALS
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