12
177
SERIES
COMPACT INDUSTRIAL
CONTROL RELAY
15 AND 30 AMP
DIVISION OF DELTROL CORP.
FEATURES
■ Compact Design Yet Handles 30 Amps or 1 HP at 120VAC
■ Molded Rynite
®
Coil Provides Class F Insulation
■ Up Stop Provides Contact Protection on SPST-NO-DM
■ 1/4" Diameter Silver Cadmium Oxide Contacts
CONTACT DATA
CONFIGURATION:
Thru SPDT Including SPST-NO-DM
MATERIALS:
1/4" Diameter All Contacts
Silver Cadmium Oxide (Std.)
CONTACT RATINGS
MODEL
POLE UL
CONFIGURATION RATINGS*
15 amp or 3/4 HP
SPST-NO at 120VAC
SPST-NC 15 amp or 1 HP
SPDT at 240VAC
15 amp at 28VDC
177
30 amp or 1 HP
at 120VAC
20 amp or 1-1/2 HP
SPST-NO-DM
at 240VAC
SPST-NC-DB*
30 amp at 28VDC
20 amp at 480VAC (resistive)
30 amp at 12VDC (Tungsten)
* SPST-NC-DB Not Presently Available
UL RECOGNIZED FILE NO.: E37066
CSA CERTIFIED FILE NO.: LR20690
EXPECTED LIFE
Electrical At Rated Load (Minimum)
100,000 Operations Except as Noted
Mechanical Life
10,000,000 Operations
DIELECTRIC STRENGTH
1200 VRMS, 60 Hz Between Contacts
2200 VRMS, 60 Hz Between Other Elements
DIMENSIONS [Unit Inch (mm)]
COIL DATA
RESISTANCE
NOMINAL
NOMINAL
IN OHMS
COIL
VOLTAGE
± 10% POWER
6VAC 2.7
12VAC 11
AC Coils 24VAC 42 4.7VA
120VAC 1100
240VAC 4400
6VDC 18
12VDC 72
DC Coils
24VDC 285
2W
110VDC 6000
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.
(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: AC: -45° to 70°C
DC: -45° to 100°C
Coil Temperature Rise: (25°C Ambient – Continuous Duty)
AC: 70°C Approx. @ 60 Hz – Use at 50 Hz
will Cause Slight Increase in Coil Rise
DC: 45°C Approx.
MECHANICAL DATA
Terminals: All Versions
.250" x .032" Quick Connect/Solder Type
Weight: Approx. 2.5 oz. (87 g)
ORDERING INFORMATION
AC Coils
Pole Config. 24VAC 120VAC 240VAC
SPST-NO 20952-82 20952-83 20952-84
15 Amp
SPST-NC 20954-82 20954-83 20954-84
Rating
SPDT 20950-82 20950-83 20950-84
30 Amp
SPST-NO-DM 20935-82* 20935-83* 20935-84
Rating
DC Coils
Pole Config. 12VDC 24VDC 110VDC
SPST-NO 20953-81 20953-82 20953-83
15 Amp
SPST-NC 20955-81 20955-82 20955-83
Rating
SPDT 20951-81 20951-82 20951-83
30 Amp
SPST-NO-DM 20936-81* 20936-82* 20936-83
Rating
*Black Items are Normally Stocked.
*Blue Items are Non Stock. Minimum May Be Required.
1.200
(30.48)
2.100 (53.34) MAX.
.250 (6.35) x .032 (0.81)
Q.C. MALE TERMINALS
1.20
(30.99)
.375 (9.53)
.437 (11.10)
.065 (1.65) x .156 (3.96)
x .218 (5.54) LG.
6-32 NC-2A
THREAD
STANDARD WITH STUD SHOWN – OPTIONAL WITHOUT STUD
177 SPDT 177 SPST-NO-DM
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