20245-84 [ETC]
;
ETC 
DIVISION OF DELTROL CORP.
SERIES RELAY
30 AND 50 AMP
900 Long Base
900HEAVY DUTY POWER RELAY
900 Short Base
FEATURES
MODELS
■ Class F Coil Insulation System for 155°C Total Temperature
900:
Fast Acting 30 Amp Power Relays
■ Coil Molded in DuPont Rynite® for Environmental
900-1C: Same as 900 with Addition of SPDT Auxiliary Snap
Switch Rated 10 Amp, 1/4 HP
Protection
900Q: Same as 900 with .250" Quick-Connect Termination
900D: Same as 900 with Addition of Blow Out Magnets for
Switching DC Loads
900E: Same as 900 with 50 Amp Rating and Box Lug
Termination
■ Rugged Construction Rivets Terminals to Base
■ 900, 900D and 900E are UL and cUL Listed
■ 900-1C, 900Q and 900R are UL and cUR Recognized
CONTACT DATA
CONFIGURATION:
900R: Same as 900 with 50 Amp Rating and Standard
Screw Terminals
Thru DPDT
MATERIALS:
COIL DATA
All Versions
RESISTANCE
IN OHMS
± 10%
NOMINAL
COIL
POWER
NOMINAL
VOLTAGE
5/16" Diameter Silver Cadmium Oxide
Fine Silver Available on Special Order – Min. Qty. Req’d.
6VAC
12VAC
24VAC
120VAC
240VAC
480VAC
.85
2.85
11.5
295
1170
4860
CONTACT RATINGS
POLE
CONFIGURATION
UL
RATINGS
MODEL
AC Coils
DC Coils
9.5VA
2W
30 amp or 1-1/2 HP
at 120 or 240VAC
2 HP at 240VAC
3600W at 120 or
240VAC (ballast)
30 amp at 240VAC,
100,000 cycle
(resistive)
20 amp at 600VAC
30 amp at 28VDC
6VDC
12VDC
24VDC
48VDC
110VDC
18
72
290
1,150
6,050
900
900Q
SPST-NC short base
SPST-NO short base
SPST-NO-DMshort base
SPST-NC-DB long base
Coil Voltages: AC: Up to 600 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
Same as 900 with
addition of auxiliary
1/4 HP at 125 or
250VAC
SPDT
short base
900-1C
900D
DPST-NO short base
DPST-NC long base
DPST-NC short base
Same as 900 with
additional rating of
20 amp at
DPDT
long base
125VDC
DC Volts 75% or Less of Nominal
50 amp at 277VAC
resistive 100,000
cycles, 40 amp
general use
Operate Time:
Release Time:
ENVIRONMENTAL DATA
Approx. 30 Milliseconds
Approx. 30 Milliseconds
900E
900R
Operating Ambient: AC: -45° to 80°C @ 30 amps
AC: -45° to 70°C @ 50 amps
UL RECOGNIZED FILE NO.: E37066
900, 900D & E are UL and cUL listed. Other versions are UR
and cUR recognized.
(US and Canadian Recognition)
DC: -45° to 115°C @ 30 amps
DC: -45° to 105°C @ 50 amps
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: 35°C Approx.
EXPECTED LIFE
Electrical At Rated Load (Minimum)
100,000 Operations
Mechanical Life
MECHANICAL DATA
Terminals: Screw Type on all but SERIES 900Q which
1,000,000 Operations
has Quick Connect, .250"
DIELECTRIC STRENGTH
2200 VRMS, 60 Hz Between Contacts
2200 VRMS, 60 Hz Between Other Elements
Weight:
Short Base Versions 8 oz. Approx. (227 g)
Long Base Versions 10 oz. Approx. (283 g)
20
DIMENS IONS [Unit Inch (mm)]
.312 (7.93) RECESS*
.312 (7.93) RECESS*
.188 (4.78) DIA. (2 HOLES)
.188 (4.78) DIA. (2 HOLES)
2.500
1.875
2.500
(63.50)
1.875
(47.63)
(63.50)
(47.63)
1.655
(42.04)
.812
(20.03)
3.32 (84.33)
2.50 (63.50)
2.38
(60.45)
.125
(3.18)*
.125
(3.18)*
2.20
(55.88)
900D
Blow Out
Magnet
*RECESS FOR SCREW MOUNTING
ON UNITS WITH 300-600VAC COILS
900 (SHORT BASE)
900 (LONG BASE)
.312 (7.93) RECESS*
.188 (4.78) DIA. (2 HOLES)
.312 (7.93) RECESS*
.188 (4.78) DIA. (2 HOLES)
2.500
(63.50)
2.500
(63.50)
1.875
(47.63)
1.875
(47.63)
1.655
(42.04)
.812
(20.03)
3.32 (84.33)
.94 (23.88)
2.50 (63.50)
.125
(3.18)*
900E
Box Lug
2.38
(60.45)
.125
(3.18)*
Terminals
*RECESS FOR SCREW MOUNTING
ON UNITS WITH 300-600VAC COILS
900-1C (LONG BASE)
900 (DPST-NC SHORT BASE)
ORDERING INFORMATION
MODEL 900 30 AMP Part Numbers
AC Coils
DC Coils
24VDC
Pole Configuration
24VAC
120VAC
240VAC
12VDC
110VDC
SPST-NO
SPST-NC
SPST-NO-DM
SPST-NC-DB
SPDT
DPST-NO
DPST-NC
DPDT
20237-82*
20330-82
20238-82*
20332-82
20239-82*
20240-82*
20331-82
20241-82*
20237-83*
20330-83
20238-83*
20332-83
20239-83*
20240-83*
20331-83
20241-83*
20237-84
20330-84
20238-84
20332-84
20239-84
20240-84*
20331-84
20241-84*
20333-81
20334-81
20242-81
20336-81
20243-81*
20244-81*
20335-81
20245-81*
20333-82
20334-82
20242-82
20336-82
20243-82*
20244-82*
20335-82
20245-82*
20333-84
20334-84
20242-84
20336-84
20243-84
20244-84
20335-84
20245-84*
MODEL 900-1C 30 AMP Part Numbers
DPST-NC
DPST-NO
DPDT
20361-82
20248-82
20246-82
20361-83
20248-83
20246-83*
20361-84
20248-84
20246-84
20367-81
20249-81
20247-81
20367-82
20249-82*
20247-82
20367-84
20249-84
20247-84
* Black Items Are Normally Stocked.
Blue Items Are Non Stock. Minimum Quantity May Be Required.
OPTIONAL DUST COVER
B-5 DUST COVER FOR SERIES 900
Sealed knock-out holes for standard conduit fittings. Relay mounts on pre-drilled base. Constructed of
Aluminum. Snap action cover release.
SIZE: 5" W x 3" H x 4" D.
P/N 20257-80*
21
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