C L A S S
FLASH TRANSFER RELAY SWITCHES TUNGSTEN LOADS
21
CLASS 21
MEETS NEMA STD. TS 2- 1992
APPROVED BY D.O.T FOR:
California Minnesota Georgia
PLUG-IN BASE WITH POLARIZING PIN
DPDT CONTACT CONFIGURATION
SWITCHES TUNGSTEN LAMP LOADS
UP TO 20 AMPS
New York Illinois
Texas
Oregon
Colorado
Missouri
Recognized Component mark for
Canada and the United States.
C
US
UL Recognized
File No. E43641
OUTLINE DIMENSIONS
DIMENSIONS SHOWN ARE IN INCHES AND (MILLIMETERS)
1.85 Max.
(46.9)
.060
(1.5)
2.84 Max.
(72.2)
.500
(12.7)
Polarizing
Pin
WIRING DIAGRAM
VIEWED FROM PIN END
.250 Typ.
(6.35)
7
5
8
6
2.12.
(53.9)
2.47 Max.
(62.7)
.437 Typ.
(11.09)
3
1
4
2
v
.500 Typ.
(12.7)
.600
(15.4)
3.90 Max.
(99.2)
1.00
(25.4)
Rectified Coil
SPECIFICATIONS CLASS 21 RELAY
COIL
Pull-in Voltage:
DIELECTRIC STRENGTH
Across open contacts
Contact to Coil:
AC: 70% of Nominal @ 20˚C or less
500 V rms
1500 V rms
1500 V rms
Dropout Voltage:
Coil Insulation :
Contact to Frame:
10% of Nominal Voltage or more
Class "B" System (130˚C) per UL 1446
TEMPERATURE
Operating:
CONTACTS
Contact Material:
Contact Configuration:
-40˚C to +84˚C
Silver alloy 3/8" dia.
DPDT
LIFE EXPECTANCY
Electrical:
200,000 Operations min. at 20 Amps
Tungsten, 120VAC.
5 Million Operations MIN. (No Load)
Contact Rating:
20Amps, 28VDC (Resistive).
1-1/2 HP, 120VAC (Motor)
2HP, 240VAC (Motor)
20Amps, 120VAC (Tungsten Lamp)
10Amps, 240VAC (Tungsten Lamp)
Mechanical:
MISCELLANEOUS
Enclosure:
Operating Position:
Weight:
Clear Polycarbonate
Vertical contacts up or horizontal
7.2 oz.. 204.7 Grams
Contact
Configuration
Coil Measured at 25˚C
Nominal Voltage Nominal Power
Dual Marked Part Number
Type
120VAC
4.0 VA
* Rectified
W21ACPX-2 /W21ACPXD-5
DPDT
* Rectified type coil provides:
1. Chatter Free operation in Brownout conditions down to 85VAC and will not overheat up to 130VAC.
2. Less Power consumption and less Heating.
PART NUMBERS SHOWN ALSO AVAILABLE THRU STOCKING DISTRIBUTION.
PAGE 37
WEBSITE: www.magnecraft.com - EMAIL:info@magnecraft.com - FAX ON DEMAND 1-800/891-2957 - DOCUMENT 100
ETC [ ETC ]
