450BXX40-12VDC

## **450 SERIES HEAVY DUTY POWER RELAY** 

UL Standard 60947-1 (UL 508) Qualified 

Standard Base with DIN Rail and Panel Mount Option 10,000,000 Cycles Mechanical and 100,000 Cycles Electrical 

Optional LED - Coil Power Indication 

Optional Polycarbonate Protective Cover 

Class F (155°C) Insulation System 

Max. Rating: 40 Amps or 50 Amps 

- 40 Amps @ 277 VAC - 50 Amps @ 240VAC 

- 40 Amps @ 28  VDC 

- 50 Amps @ 28VDC 

## **GENERAL CHARACTERISTICS** 

**Insulation System** Class F  (155°C) **Mechanical Life** 10,000,000 operations **Electrical Life** 100,000 operations **Operate Time** 20ms **Release Time** 15ms Between coil and contact 2200VAC **Dielectric** Between poles 2200VAC Between contacts 1500VAC AC Coil -55°C to 70°C **Ambient Temperature** DC Coil -55°C to 105°C **Connection** Listed wire connectors required for UL Listed Installations **Weight ht** 227-311 g 

**Ambient Temperature Connection Weight** 

## **INPUT CHARACTERISTICS** 

6, 12, 24, 120, 208, 220, 240, 277, 480VAC **Rated Voltage** 6, 12, 24, 48, 110/125, 250VDC **Operating Range** DC: 80% to 110% of Rated VoltaAC: 85% to 110% of Rated Voltagege **pout Voltageout Voltagegee** 10% of Rated Voltage 1000 MΩ @ 500VDC 

**Operating Range** 

**Dropout Voltageout Voltagegee Insulation Resistance** 

## **COIL CHARACTERISTICS** 

|**Nominal Voltage**|**Power Consumption**|**Coil Resistance**|
|---|---|---|
|6 VAC|~10VA|0.85Ω|
|12VAC||2.85Ω|
|24VAC||12Ω|
|120VAC||290Ω|
|208VAC||850Ω|
|220VAC||1040Ω|
|240VAC||1200Ω|
|277VAC||1500Ω|
|480VAC||4500Ω|
|6VDC|~2W|18Ω|
|12VDC||70Ω|
|24VDC||290Ω|
|48VDC||1200Ω|
|110/125VDC||6000Ω|
|250VDC||34000Ω|



*Additional Coil Voltages Available Upon Request 

## **STRUTHERS-DUNN** 

## **CONTACT CHARACTERISTICS** 

|**Configurations**|XAX (SPDT) (1 Form C); XBX (DPDT) (2 Form C);<br>BXX (DPST) (2 Form A); HXX (SPST-NO-DM) (Form X);<br>XXH(SPST-NC-DB) (Form Y);XHX(SPDT-DM-DB) (Form Z)|XAX (SPDT) (1 Form C); XBX (DPDT) (2 Form C);<br>BXX (DPST) (2 Form A); HXX (SPST-NO-DM) (Form X);<br>XXH(SPST-NC-DB) (Form Y);XHX(SPDT-DM-DB) (Form Z)|
|---|---|---|
|**Contact Material:**|AgSnO2 - Silver Tin Oxide||
|**AC Rating:**|**40A**|**50A**|
||40A @ 277VAC 50/60Hz<br>20A @ 600VAC 50/60Hz<br>30A @ 120VAC (Ballast)<br>15A@240VAC(Ballast)|50A @ 240VAC 50/60Hz<br>10A @ 600VAC 50/60Hz|
|**Motor Load Rating:**|@()<br>2HP @ 120/240VAC 50/60Hz|2HP @ 120/240VAC 50/60Hz|
|**DC Rating:**|40A @ 28VDC|50A@28VDC|
|**DC Ratin**<br>**DC Rating With**<br>**Blowout Magnet:**|20A @ 125VDC<br>4A @ 250VDC<br>1A@500VDC|20A @ 125VDC<br>4A @ 250VDC<br>2A@500VDC|
|**Minimum Load Rating:**|100mA @ 12 VAC/DC (min.)|100mA @ 12 VAC/DC (min.)|
|**Minimum Load Ratin**<br>**Auxiliary Switch Rating:**|10A @ 125/250VAC|10A @ 125/250VAC|
|**Switch Ratin**<br>**Pilot Duty:**|A300|A300|
|**Certifications:**|UL/CUL Listed, UL/CUL Recognized||



*Tungsten Contacts Also Available 

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 of 6 

1/5/2016 

## **450 SERIES HEAVY DUTY POWER RELAY** 

## **SPECIAL FEATURES** 

*Optional Auxiliary Switch - (Code “90”) *Dual Auxiliary Switch Available - (Code ”91”) 

Optional Coil Suppression Diode - (Code “V”) (DC Version Only) 

Optional Polycarbonate Protective Cover - (Code “C”) 

Class F Insulation System 

Optional Blowout Magnet - (Code “69”) (Not Available with XXH Contact Combination) 

Optional Green LED Indicator - (Code “L”) 

*Optional Quick Connect Terminals - (Code “Q”) 

Standard Din Rail & Panel Mount 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 2 of 6 

1/5/2016 

**450 SERIES HEAVY DUTY POWER RELAY** 

## **WIRING DIAGRAMS** 

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**----- Start of picture text -----**<br>
2 FORM A 1 FORM C 2 FORM C<br>eR (6)(5)2423 A1(2)A2(1) (4)(3)1211 (7)32 (6)23(5)21 A1(2)A2(1) (3)11 (8)(7)3231 4 (6)(5)2423 A1(2)A2(1) (4)(3)1211 COIL SUPPRESSION DIODE<br>DPDT - NO(NEMA)IEC (NEMA)SPDTIEC DPDT(NEMA)IEC A1(2) -<br>1 FORM X 1 FORM Y 1 FORM Z<br>24 A1 32 A1 32 24 A1<br>(6) (2) (8) (2) (8) (6) (2)<br>+<br>A2<br>(1)<br>POLARITY SENSITIVE<br>o a r o p<br>23 A2 31 A2 31 23 A2<br>(5) (1) (7) (1) (7) (5) (1)<br>SPST - NO - DM SPST - NC - DB SPDT - DM - DB<br>IEC IEC IEC<br>(NEMA) (NEMA) (NEMA)<br>PART NUMBERING INFORMATION<br>450     XBX      40        C  69 Q  L  V   90                      120VAC<br>Series Part Number<br>Contact Combination:<br>XAX (SPDT) (1 Form C)<br>XBX (DPDT) (2 Form C)<br>BXX (DPST) (2 Form A)<br>HXX (SPST- NO-DM) (1 Form X)<br>XXH (SPST- NC-DB) (1 Form Y)<br>XHX (SPDT - DM-DB) (1 Form Z)<br>Contact Type :<br>40 Amp Silver Alloy – 40<br>50 Amp Silver Alloy – 50<br>(Tungsten Contacts Also Available)<br>Enclosure:<br>No Cover Standard – No Code        * NOTE: Covers cannot be used on relays with<br>Polycarbonate Protective Cover – C            QC Terminals, Auxiliary Switches or 50A<br>Relays with AC Coils.<br>Din-rail<br>Standard Din Rail Mount Base – No Code<br>Other Options:<br>Blowout Magnet – 69  (not available with a  XXH  contact combination)<br>¼” Quick Connect Terminals – Q<br>LED indicator – L<br>Coil Suppression Diode  – V  (VDC version only)<br>Auxiliary Switch – 90 * * NOTE: Covers cannot be used on relays with QC Terminals<br>Dual Auxiliary Switch  - 91 * Auxiliary Switches or 50A relays with AC Coils.<br>Coil Voltage – Class F, 155°C<br>VAC –  6, 12, 24, 120, 208, 220, 240, 277, 480 =]<br>VDC -  6, 12, 24, 48, 110/125, 250<br>(Other Coil Voltages Available Upon Request)<br>**----- End of picture text -----**<br>


## **Contact Type :** 

## **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 3 of 6 

1/5/2016 

## **450 SERIES HEAVY DUTY POWER RELAY** 

## **OUTLINE DIMENSIONS** 

## **450BXX** 

(DPST - 2 FORM A) 

## **450HXX** 

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**----- Start of picture text -----**<br>
(SPST-NO-DM - 1 FORM X)<br>**----- End of picture text -----**<br>


## **450XAX** 

(SPDT - 1 FORM C) 

## **450XBX** 

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**----- Start of picture text -----**<br>
(DPDT - 2 FORM C)<br>**----- End of picture text -----**<br>


## **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 4 of 6 

1/5/2016 

## **450 SERIES HEAVY DUTY POWER RELAY** 

## **OUTLINE DIMENSIONS** 

## **450XHX** 

(SPDT-DM-DB - 1 FORM Z) 

## **450XXH** 

(SPST-NC-DB - 1 FORM Y) 

**COVER - SHORT BASE** 

(BXX, HXX, XAX, XXH) 

**COVER - LONG BASE** 

(XBX, XHX) 

## **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 5 of 6 

1/5/2016 

## **450 SERIES HEAVY DUTY POWER RELAY** 

## **NOTES:** 

## **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 6 of 6 

1/5/2016