
System 450™ Series Expansion Modules with Relay Outputs Installation Instructions
5
Technical Specifications
C450Sxx-3 Series Expansion Modules with Relay Outputs
Product C450SBN-3: System 450 Expansion Module with one SPDT output relay
C450SCN-3: System 450 Expansion Module with two SPDT output relays
C450SBG-3: System 450 Expansion Module with one SPDT low current/voltage output relay
C450SCG-3: System 450 Expansion module with two SPDT low current/voltage output relays
Supply Power C450YNN-1 Power Supply Module
-or-
Separately supplied: 24 (20-30) VAC, 50/60 Hz, 10 VA minimum Class 2 (North America),
Safety Extra-Low Voltage (SELV) (Europe)
Ambient Operating
Conditions
Temperature: -40 to 66C (-40 to 150F)
Humidity: Up to 95% RH non-condensing; maximum dew point 29C (85F)
Ambient Shipping and
Storage Conditions
Temperature: -40 to 80C (-40 to 176F)
Humidity: Up to 95% RH non-condensing; maximum dew point 29C (85F)
Output Relay Contacts C450SxN-3
General: 1/2 HP at 120/240 VAC, SPDT
Specific: AC Motor Ratings 120 VAC 208/240 VAC
AC Full-load amperes: 9.8 A 4.9 A
AC Locked-rotor amperes: 58.8 A 29.4 A
_____________________________________
10 amperes AC non-inductive at 24/240 VAC
Pilot Duty: 125 VA at 24/240 VAC
C450SxG-3
General: 2 amperes resistive at 48 VDC
Pilot Duty: 360 VA at 120 VAC
Maximum Dry Circuit Rating: Resistive only, 400 mW at 28 VAC/VDC
Note: Once a relay has been used at the General Rating level, the Dry Circuit Rating is no
longer valid.
Control Construction Independently mounted control, surface mounted with Lexan® 950 enclosure suitable for DIN
rail mounting or direct mounting to a hard, even surface.
Dimensions (H x W x D) 127 x 61 x 61 mm (5 x 2-3/8 x 2-3/8 in.)
Weight C450SBx-3: 172 g (0.38 lb)
C450SCx-3: 186 g (0.41 lb)
Compliance United States: cULus Listed; UL 60730-1, File E27734; FCC Compliant to CFR47, Part 15,
Subpart B, Class B
Canada: cULus Listed; CAN/CSA-E60730-1, File E27734; Industry Canada (IC) Compliant to
Canadian ICES-003, Class B limits
Europe: CE Mark – Johnson Controls declares that this product is in compliance with the
essential requirements and other relevant provisions of the EMC Directive.
Australia and New Zealand: RCM Mark, Australia/NZ Emissions Compliant
The performance specifications are nominal and conform to acceptable industry standards. For application at conditions beyond these
specifications, consult Johnson Controls Application Engineering at (414) 524-5535. Johnson Controls shall not be liable for damages
resulting from misapplication or misuse of its products.