Catalog 1308242
Issued 3-03 P&B
CD series
CMOS IC Time Delay Relay
1% Repeatability
Operates from -40C to +55C
Delay on operate or delay on release timing modes
Fixed, knob or resistor adjustable types
Calibrated dial on knob adjustable types
10A output relay with SPDT or DPDT contacts
Various models time from 0.1 to 180 sec.
File E22575
File LR15734
Users should thoroughly review the technical data before selecting a product part
number. It is recommended that user also seek out the pertinent approvals files of
the agencies/laboratories and review them to ensure the product meets the
requirements for a given application.
Initial Dielectric Strength
Timing Modes
Between Open Contacts: 500V rms, 60 Hz.
Delay on operate Delay period begins when input voltage is applied. At
Between All Other Conductors: 500V rms, 60 Hz.
the end of the delay period, the relay will operate and will not release until
input voltage is removed. Reset occurs when input voltage is reapplied.
INPUT ON
VOLTAGE OFF
N.O. RELAY ON
TIME
CONTACTS OFF
Input Data @ 25C
Voltage: 24 & 120VAC and 12 through 110VDC.
Delay on release Input voltage must be applied continuously to operate Power Requirement: AC Types: Typically less than 3 VA.
the internal relay. When control Input is applied, the relay energizes. DC Types: Typically less than 3 W.
When control input is removed, timing begins. When timing is complete, Transient Protection: Yes.
the relay will de-energize. Time may be reset to zero during timing by Reverse Voltage Protection: Yes.
reapplying control input.
Input Voltages & Limits @ 25C
Voltage Nominal Minimum Maximum
CONTROL ON
Type Voltage Voltage Voltage
INPUT OFF
N.O. RELAY ON
AC 24 20 28
TIME
CONTACTS OFF
120 105 130
12 11 13
DC 24 20 32
48 41 55
110 95 125
Note: DC voltage must be filtered (5% p-p ripple max. at nom. voltage).
AC models will operate on 50 or 60 Hz.
Timing Specifications
Timing Ranges: From 0.1 to 180 sec.
Timing Adjustment: Fixed, external resistor and knob adjustable.
Tolerance (for AC units add 1/2 cycle 60 Hz.):
Knob Adj. Types: 5% of max. specified at high end of timing range; min.
specified, or less, at low end; 10% full scale.
Fixed Types: 5%.
Res. Adj. Types: 5% at high end of timing range; min. specified, or less,
Environmental Data
at low end.
Temperature Range: Storage: -55C to +85C.
Delta Time (for AC units add 1 cycle 60 Hz.): 5%.
Operating: -40C to +55C.
Repeatability (for AC units add 1 cycle 60 Hz.): 1%.
Release Time: 45 ms, typ.; 60 ms, max.
Recycle Time: 45 ms, typ.; 60 ms, max.
Mechanical Data
Contact Data @ 25C
Termination: 8- or 11-pin octal style plug.
Arrangements: 2 Form C (DPDT).
Enclosure: Yellow plastic case. Knob adjustable types have dial scale
Material: Silver-cadmium oxide alloy.
calibrated in seconds 5%.
Rating: 10A @ 30VDC or 277VAC, resistive; 1/2 HP @ 250VAC; 1/3 HP @
Sockets: Models with 8-pin base fit either 27E122 or 27E891 (snap-on)
120VAC.
screw terminal sockets. 11-pin types fit either 27E123 or
Expected Mechanical Life: 10 million operations.
27E892 (snap-on) screw terminal sockets.
Expected Electrical Life: 100,000 operations, min., at rated load.
Weight: 8 oz. (227g) approximately.
Dimensions are shown for Dimensions are in inches over Specifications and availability www.tycoelectronics.com
reference purposes only. (millimeters) unless otherwise subject to change. Technical support:
1222
specified. Refer to inside back cover.Catalog 1308242
Issued 3-03 P&B
Ordering Information Authorized distributors are more likely to stock boldface items listed below.
Delay on Operate Models
Delay on Release Models
Voltage Time Adjustment Wiring Dia. Part Number
Voltage Time Adjustment Wiring Dia. Part Number
0.1 to 1 Sec. CDB-38-70001
0.1 to 1 Sec. CDB-38-70016
0.1 to 5 Sec. CDB-38-70002
0.1 to 5 Sec. CDB-38-70091
120VAC 0.1 to 10 Sec. Knob 1 CDB-38-70003
120VAC 0.1 to 10 Sec. Knob 3 CDB-38-70014
0.3 to 30 Sec. CDB-38-70006
0.3 to 30 Sec. CDB-38-70092
0.6 to 60 Sec. CDB-38-70004
0.6 to 60 Sec. CDB-38-70012
1.8 to 180 Sec. CDB-38-70005
1.8 to 180 Sec. CDB-38-70015
120VAC 1 Sec. Fixed CDA-38-70012
120VAC 1 Sec. Fixed 3 CDA-38-70025
0.1 to 1 Sec. CDF-38-70001
12VDC 180 Sec. Fixed 3 CDC-38-20026
120VAC 0.1 to 5 Sec. Resistor 2 CDF-38-70002
0.1 to 10 Sec. CDD-38-30014
0.1 to 10 Sec. CDF-38-70003
24VDC 0.6 to 60 Sec. Knob 3 CDD-38-30012
0.1 to 10 Sec. CDD-38-30003
1.8 to 180 Sec. CDD-38-30008
24VDC 0.6 to 60 Sec. Knob 1 CDD-38-30004
1.8 to 180 Sec. CDD-38-30005
48VDC 0.6 to 60 Sec. Knob 1 CDD-38-40002
0.1 to 1 Sec. CDD-38-60004
110VDC 0.1 to 10 Sec. Knob 1 CDD-38-60001
0.6 to 60 Sec. CDD-38-60002
1.8 to 180 Sec. CDD-38-60003
Outline Dimensions
2.406 MAX.
(61.1)
.56
2.937 MAX. 1.781 MAX.
.60
(14.2)
(74.6)
(45.2)
(15.2)
Wiring Diagrams Bottom Views (pins numbered clockwise from keyway)
CONTROL
INPUT*
_
EXTERNAL RESISTOR
+
_
+
_
SUPPLY
+ _
+
INPUT INPUT INPUT
(DC POLARITY INDICATED)** (DC POLARITY INDICATED)** (DC POLARITY INDICATED)**
Fig. 1 Fig. 2 Fig. 3
8 Pin 11 Pin 11 Pin
* If control input is applied when supply input is applied, relay will immediately energize. A 50 millisecond minimum control pulse is required.
** Note Input polarity for DC operation. For most reliable operation on AC, connect high side to + and low side to .
External Resistor Selection Chart
See External Resistor Selection Charts at beginning of Time Delay Relay section of this Databook.
Dimensions are shown for Dimensions are in inches over Specifications and availability www.tycoelectronics.com
reference purposes only. (millimeters) unless otherwise subject to change. Technical support:
1223
specified. Refer to inside back cover.