STRUTHERS-DUNN www.struthers-dunn.com
407 E. Smith Street - Suite B • Timmonsville, SC 29161 • Phone: (843) 346-4427 • Fax: (843) 346-4465 • Email: info@struthers-dunn.com
1/5/2016
450 SERIES HEAVY DUTY POWER RELAY
1 of 6
Optional Polycarbonate Protective Cover
Optional LED - Coil Power Indication
Class F (155°C) Insulation System
10,000,000 Cycles Mechanical and 100,000 Cycles Electrical
- 40 Amps @ 277 VAC - 50 Amps @ 240VAC
- 40 Amps @ 28 VDC - 50 Amps @ 28VDC
Max. Rating: 40 Amps or 50 Amps
Standard Base with DIN Rail and Panel Mount Option
UL Standard 60947-1 (UL 508) Qualified
Dropout Voltage
Insulaon Resistance
INPUT CHARACTERISTICS
6, 12, 24, 120, 208, 220, 240, 277, 480VAC
6, 12, 24, 48, 110/125, 250VDC
Rated Voltage
Operang Range AC: 85% to 110% of Rated Voltage
DC: 80% to 110% of Rated Voltage
1000 MΩ @ 500VDC
10% of Rated Voltage
*Tungsten Contacts Also Available*Additional Coil Voltages Available Upon Request
Nominal Voltage Power Consumpon Coil Resistance
6 VAC 0.85Ω
12VAC 2.85Ω
24VAC 12Ω
120VAC 290Ω
208VAC 850Ω
220VAC 1040Ω
240VAC 1200Ω
277VAC 1500Ω
480VAC 4500Ω
6VDC 18Ω
12VDC 70Ω
24VDC 290Ω
48VDC 1200Ω
110/125VDC 6000Ω
250VDC 34000Ω
~2W
COIL CHARACTERISTICS
~10VA
Insulaon System
Mechanical Life
Electrical Life
Operate Time
Release Time
Between coil and contact 2200VAC
Between poles 2200VAC
Between contacts 1500VAC
AC Coil -55°C to 70°C
DC Coil -55°C to 105°C
Connecon
Weight
Listed wire connectors required for UL Listed Installaons
GENERAL CHARACTERISTICS
Class F (155°C)
10,000,000 operaons
100,000 operaons
20ms
15ms
Dielectric
Ambient Temperature
227-311 g
Contact Material:
40A 50A
40A @ 277VAC 50/60Hz
20A @ 600VAC 50/60Hz 50A @ 240VAC 50/60Hz
30A @ 120VAC (Ballast) 10A @ 600VAC 50/60Hz
15A @ 240VAC (Ballast)
DC Rang: 40A @ 28VDC 50A @ 28VDC
20A @ 125VDC 20A @ 125VDC
4A @ 250VDC 4A @ 250VDC
1A @ 500VDC 2A @ 500VDC
Minimum Load Rang: 100mA @ 12 VAC/DC (min.) 100mA @ 12 VAC/DC (min.)
Auxiliary Switch Rang: 10A @ 125/250VAC 10A @ 125/250VAC
Pilot Duty: A300 A300
Cerficaons: UL/CUL Listed, UL/CUL Recognized
2HP @ 120/240VAC 50/60Hz
AgSnO2 - Silver Tin Oxide
AC Rang:
Motor Load Rang: 2HP @ 120/240VAC 50/60Hz
DC Rang With
Blowout Magnet:
CONTACT CHARACTERISTICS
Configuraons
XAX (SPDT) (1 Form C); XBX (DPDT) (2 Form C);
BXX (DPST) (2 Form A); HXX (SPST-NO-DM) (Form X);
XXH (SPST-NC-DB) (Form Y); XHX (SPDT-DM-DB) (Form Z)
STRUTHERS-DUNN www.struthers-dunn.com
407 E. Smith Street - Suite B • Timmonsville, SC 29161 • Phone: (843) 346-4427 • Fax: (843) 346-4465 • Email: info@struthers-dunn.com
1/5/2016
450 SERIES HEAVY DUTY POWER RELAY
2 of 6
*Optional Auxiliary Switch - (Code “90”)
*Dual Auxiliary Switch Available - (Code ”91”)
Optional Polycarbonate
Protective Cover - (Code “C”)
SPECIAL FEATURES
Optional Green
LED Indicator - (Code “L”)
Optional Coil Suppression Diode - (Code “V”)
(DC Version Only)
*Optional Quick Connect
Terminals - (Code “Q”)
Class F Insulation System
Standard Din Rail
& Panel Mount Combination
Optional Blowout Magnet - (Code “69”)
(Not Available with XXH Contact Combination)
*Note: Covers can not be used on relays with
Quick Connect Terminals or Auxiliary Switches
STRUTHERS-DUNN www.struthers-dunn.com
407 E. Smith Street - Suite B • Timmonsville, SC 29161 • Phone: (843) 346-4427 • Fax: (843) 346-4465 • Email: info@struthers-dunn.com
1/5/2016
450 SERIES HEAVY DUTY POWER RELAY
3 of 6
PART NUMBERING INFORMATION
WIRING DIAGRAMS
A2
(1)
A1
(2)
1 FORM Z
SPDT - DM - DB
IEC
(NEMA)
24
(6)
23
(5)
32
(8)
31
(7)
A2
(1)
A1
(2)
1 FORM Y
SPST - NC - DB
IEC
(NEMA)
32
(8)
31
(7)
A2
(1)
A1
(2)
1 FORM X
SPST - NO - DM
IEC
(NEMA)
24
(6)
23
(5)
A2
(1)
A1
(2)
2 FORM C
DPDT
IEC
(NEMA)
24
(6)
23
(5)
12
(4)
11
(3)
32
(8)
31
(7)
A2
(1)
A1
(2)
COIL SUPPRESSION DIODE
POLARITY SENSITIVE
+
-
A2
(1)
A1
(2)
1 FORM C
SPDT
IEC
(NEMA)
21
(5)
11
(3)
32
(7)
A2
(1)
A1
(2)
2 FORM A
DPDT - NO
IEC
(NEMA)
24
(6)
23
(5)
12
(4)
11
(3)
23
(6)
450 XBX 40 C 69 Q L V 90 120VAC
Series Part Number
Contact Combinaon:
XAX (SPDT) (1 Form C)
XBX (DPDT) (2 Form C)
BXX (DPST) (2 Form A)
HXX (SPST- NO-DM) (1 Form X)
XXH (SPST- NC-DB) (1 Form Y)
XHX (SPDT - DM-DB) (1 Form Z)
Contact Type :
40 Amp Silver Alloy – 40
50 Amp Silver Alloy – 50
(Tungsten Contacts Also Available)
Enclosure:
No Cover Standard – No Code *NOTE: Covers cannot be used on relays with
Polycarbonate Protecve Cover – C QC Terminals, Auxiliary Switches or 50A
Relays with AC Coils.
Din-rail
Standard Din Rail Mount Base – No Code
Other Opons:
Blowout Magnet – 69 (not available with a XXH contact combinaon)
¼” Quick Connect Terminals – Q
LED indicator – L
Coil Suppression Diode – V (VDC version only)
Auxiliary Switch – 90 * *NOTE: Covers cannot be used on relays with QC Terminals
Dual Auxiliary Switch - 91 * Auxiliary Switches or 50A relays with AC Coils.
Coil Voltage – Class F, 155°C
VAC – 6, 12, 24, 120, 208, 220, 240, 277, 480
VDC - 6, 12, 24, 48, 110/125, 250
(Other Coil Voltages Available Upon Request)
STRUTHERS-DUNN www.struthers-dunn.com
407 E. Smith Street - Suite B • Timmonsville, SC 29161 • Phone: (843) 346-4427 • Fax: (843) 346-4465 • Email: info@struthers-dunn.com
1/5/2016
450 SERIES HEAVY DUTY POWER RELAY
4 of 6
OUTLINE DIMENSIONS
450HXX
(SPST-NO-DM - 1 FORM X)
450XBX
(DPDT - 2 FORM C)
450BXX
(DPST - 2 FORM A)
450XAX
(SPDT - 1 FORM C)
STRUTHERS-DUNN www.struthers-dunn.com
407 E. Smith Street - Suite B • Timmonsville, SC 29161 • Phone: (843) 346-4427 • Fax: (843) 346-4465 • Email: info@struthers-dunn.com
1/5/2016
450 SERIES HEAVY DUTY POWER RELAY
5 of 6
450XXH
(SPST-NC-DB - 1 FORM Y)
COVER - LONG BASE
(XBX, XHX)
450XHX
(SPDT-DM-DB - 1 FORM Z)
COVER - SHORT BASE
(BXX, HXX, XAX, XXH)
OUTLINE DIMENSIONS
STRUTHERS-DUNN www.struthers-dunn.com
407 E. Smith Street - Suite B • Timmonsville, SC 29161 • Phone: (843) 346-4427 • Fax: (843) 346-4465 • Email: info@struthers-dunn.com
1/5/2016
450 SERIES HEAVY DUTY POWER RELAY
NOTES:
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