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Catalog 1308242 Issued 3-03
P&B
CB series
CMOS IC Time Delay Relay
* Choice of timing modes
- Delay on operate - Delay on release - Interval on with or without control switch * Knob adjustable * 10A output relay with SPDT or DPDT contacts * Various models time from 0.1 sec. to 100 min.
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.
Timing Modes
Delay on operate - Delay period begins when input voltage is applied. At 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 VOLTAGE ON OFF TIME
Contact Data @ 25C
Arrangements: 2 Form C (DPDT), except 8-pin delay on release model has 1 Form C (SPDT). Material: Silver-cadmium oxide alloy. Rating: 10A @ 30VDC or 277VAC, resistive; 1/2 HP @ 250VAC; 1/3 HP @ 120VAC. Expected Mechanical Life: 10 million operations. Expected Electrical Life: 100,000 operations, min., at rated load.
N.O. RELAY ON CONTACTS OFF
Delay on release - Input voltage must be applied continuously to operate the internal relay. When the control switch is closed, the relay energizes. When the control switch is opened, timing begins. When timing is complete, the relay will de-energize. Time may be reset to zero during timing by closing the control switch.
CONTROL SWITCH ON OFF TIME
Initial Dielectric Strength
Between Open Contacts: 500V rms, 60 Hz. Between All Other Conductors: 500V rms, 60 Hz.
N.O. RELAY ON CONTACTS OFF
Interval on (without control switch) - The relay energizes and timing begins when input voltage is applied. At the end of the time delay period the relay will de-energize. Reset is accomplished by removing, then reapplying, the input voltage.
INPUT VOLTAGE ON OFF
Input Data @ 25C
Voltage: 24 and 120VAC, and 12 and 24VDC. Power Requirement: AC Types: Typically less than 3 VA. DC Types: Typically less than 3 W. Transient Protection: Yes. Reverse Voltage Protection: Yes.
Input Voltages & Limits @ 25C
N.O. RELAY ON CONTACTS OFF TIME
Voltage Type AC DC
Nominal Voltage 24 120 12 24
Minimum Voltage 20 105 11 20
Maximum Voltage 28 130 13 32
Interval on (with control switch) - Input voltage must be applied continuously to operate the internal relay. The relay energizes and timing begins when the external switch is closed. At the end of the time delay period the relay will de-energize. Reset is accomplished by opening and reclosing the control switch.
CONTROL SWITCH ON OFF
Note: DC voltage must be filtered (5% p-p ripple max. at nom. voltage). AC models will operate on 50 or 60 Hz.
N.O. RELAY ON CONTACTS OFF
TIME
Environmental Data
Temperature Range: Storage: -55C to +85C. Operating: -10C to +55C.
Timing Specifications
Timing Ranges: From 0.1 to 1.0 sec. through 10 to 100 min. Timing Adjustment: Knob adjustable. Tolerance (for AC units add 1/2 cycle 60 Hz.): Knob Adj. Types: -0, +30% of max. specified at high end of timing range; min. specified, or less, at low end. Fixed Types: 10%. Res. Adj. Types: 10% at high end of timing range; min. specified, or less, at low end. Delta Time (for AC units add 1 cycle 60 Hz.): 10%. Repeatability (for AC units add 1 cycle 60 Hz.): 2%. Release Time: 60 ms, typ.; 100 ms, max. Recycle Time: 60 ms, typ.; 100 ms, max.
Dimensions are shown for
Mechanical Data
Termination: 8- or 11-pin octal style plug. Enclosure: White plastic case. Knob adjustable types have dial scale for reference only. Sockets: Models with 8-pin base fit either 27E122 or 27E891 (snap-on) screw terminal sockets. 11-pin types fit either 27E123 or 27E892 (snap-on) screw terminal sockets. Weight: 6 oz. (170g) approximately.
Specifications and availability subject to change. www.tycoelectronics.com Technical support: Refer to inside back cover.
1228 reference purposes only.
Dimensions are in inches over (millimeters) unless otherwise specified.
Catalog 1308242 Issued 3-03
P&B
Ordering Information - Authorized distributors are more likely to stock boldface items listed below.
Delay on Operate Models
Voltage 24VAC Time 0.1 to 10 Sec. 1.8 to 180 Sec 0.1 to 1 Sec. 0.1 to 5 Sec. 0.1 to 10 Sec. 0.6 to 60 Sec. 1.8 to 180 Sec. 1 to 10 Min. 10 to 100 Min. 0.1 to 10 Sec. 0.1 to 1 Sec. 0.1 to 10 Sec. 0.6 to 60 Sec. 1.8 to 180 Sec. Adjustment Knob Wiring Dia. 1 Part Number CB-1041B-30 CB-1042B-30 CB-1001B-70 CB-1002B-70 CB-1003B-70 CB-1004B-70 CB-1005B-70 CB-1006B-70 CB-1007B-70 CB-1047D-20 CB-1026D-30 CB-1028D-30 CB-1029D-30 CB-1030D-30
Delay on Release Models
Voltage 24VAC Time 0.1 to 10 Sec. 1.8 to 180 Sec 0.1 to 10 Sec. 0.1 to 10 Sec. 0.6 to 60 Sec. 1.8 to 180 Sec. 0.1 to 10 Sec. 1.8 to 180 Sec. Time 0.1 to 10 Sec. 0.1 to 5 Sec. 0.1 to 10 Sec. 1 to 10 Min. 0.1 to 5 Sec. 1.8 to 180 Sec. Adjustment Knob Wiring Dia. 3 3 5 3 3 3 Part Number CB-1045B-38 CB-1046B-38 CB-1021B-78 CB-1022B-78 CB-1023B-78 CB-1024B-78 CB-1038D-38 CB-1039D-38 Part Number CB-1043B-39 CB-1011B-79 CB-1014B-79 CB-1018B-79 CB-1034D-39 CB-1036D-39
120VAC
Knob
120VAC
Knob
1
24VDC
Knob
12VDC 24VDC
Knob Knob
1 1
Interval on Models
Voltage 24VAC 120VAC 24VDC Adjustment Knob Knob Knob Wiring Dia. 1 1 1 1 1
Outline Dimensions
2.406 MAX. (61.1)
Wiring Diagrams - Bottom Views (pins numbered clockwise from keyway)
EXTERNAL CONTROL SWITCH* EXTERNAL CONTROL SWITCH*

+
_
INPUT (DC POLARITY INDICATED)**
Fig. 1 8 Pin
* If control switch is closed when power is applied, relay will immediately energize. A 50 millisecond minimum switch closure is required. IMPORTANT: A dry circuit switch is recommended. A "dry circuit" switch is one rated to reliably switch currents of less than 50mA. Use of a switch rated for other than dry circuit may result in failure of the time delay relay to function properly. ** Note: Input polarity for DC operation. For most reliable operation on AC, connect high side to "+" and low side to "-".
Dimensions are shown for reference purposes only.
Dimensions are in inches over (millimeters) unless otherwise specified.
+
_
CONTINUOUS SUPPLY INPUT (DC POLARITY INDICATED)**
Fig. 3 11 Pin
.60 (15.2)
2.937 MAX. (74.6)
.56 (14.2)
1.781 MAX. (45.2)

+
_
CONTINUOUS SUPPLY INPUT (DC POLARITY INDICATED)**
Fig. 5 8 Pin
Specifications and availability subject to change.
www.tycoelectronics.com Technical support: 1229 Refer to inside back cover.

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