Catalog 1308242
Issued 3-03 P&B
CL -CU series
Compact Time Delay Relay
Delay on operate timing mode
Fixed, knob or resistor adjustable types
10A output relay with DPDT contacts
Variety of mounting options
Various models time from 0.1 to 120 sec.
No timing cycle interrupt transfer (CL only)
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 Mode Contact Data @ 25C
Delay on operate Delay period begins when input voltage is applied. At Arrangements: 2 Form C (DPDT).
the end of the delay period, the relay will operate and will not release until Material: Silver-cadmium oxide alloy.
input voltage is removed. Reset occurs when input voltage is reapplied. Rating: 10A @ 30VDC or 277VAC, resistive; 1/2 HP @ 250VAC;
1/3 HP @ 120VAC.
INPUT ON Expected Mechanical Life: 10 million operations.
VOLTAGE OFF
Expected Electrical Life: 100,000 operations, min., at rated load.
N.O. RELAY ON
TIME Initial Dielectric Strength
CONTACTS OFF
Between Open Contacts: 500V rms, 60 Hz.
Between All Other Conductors: 500V rms, 60 Hz.
CL Timing Specifications
Input Data @ 25C
Timing Ranges: From 0.1 to 1.0 sec. through 1.2 to 120 sec.
Voltage: 24 & 120VAC and 12 & 24VDC.
Timing Adjustment: Fixed, external resistor and knob adjustable.
Power Requirement: AC Types: Typically less than 3 VA.
Tolerance (for AC units add 1/2 cycle 60 Hz.):
DC Types: Typically less than 3 W.
Knob Adj. Types:0, +20% of max. specified at high end of timing
Transient Protection: Yes.
range; min. specified, or less, at low end.
Reverse Voltage Protection: Yes.
Fixed Types: 5%.
Res. Adj. Types: 10% at high end of timing range; min. specified, or
Input Voltages & Limits @ 25C
less, at low end.
Voltage Nominal Minimum Maximum
Repeatability (for AC units add 1 cycle 60 Hz.): 3%.
Type Voltage Voltage Voltage
Release Time: 100 ms, typ.; 150 ms, max.
Recycle Time: 100 ms, typ.; 150 ms, max.
AC 24 20 28
120 105 130
DC 12 11 13
CU Timing Specifications
24 20 32
Timing Ranges: From 1.0 to 10 sec. through 1.0 to 120 sec.
Note: DC voltage must be filtered (5% p-p ripple max. at nom. voltage).
Timing Adjustment: Fixed, external resistor and knob adjustable. AC models will operate on 50 or 60 Hz.
Tolerance (for AC units add 1/2 cycle 60 Hz.):
Knob Adj. Types:0, +20% of max. specified at high end of timing
Environmental Data
range; min. specified, or less, at low end.
Temperature Range: Storage: -55C to +85C.
Fixed Types: 5%.
Operating: -10C to +55C.
Res. Adj. Types: 10% at high end of timing range; min. specified, or
less, at low end.
Mechanical Data
Repeatability (for AC units add 1 cycle 60 Hz.): 3%.
Release Time: 150 ms, typ.; 225 ms, max.
Termination: 0.187 in. (4.75mm) quick-connect.
Recycle Time: 150 ms, typ.; 225 ms, max.
Enclosure: Yellow plastic case (see outline drawings for various options).
Knob adjustable types have dial scale for reference only.
Sockets: Solder, printed circuit and screw terminal sockets available.
Note: On CU types the switching contact may momentarily transfer if the timing interval is
interrupted. CL types have no timing cycle interrupt transfer. Weight: 3.5 oz. (99g) approximately.
CL Ordering Information Authorized distributors are more likely to stock boldface items listed below.
Voltage Time Adjustment Wiring Dia. Part Number Voltage Time Adjustment Wiring Dia. Part Number
24VAC 0.1 to 10 Sec. Knob 1 CLB-51-30010 12VDC 0.1 to 10 Sec. Knob 1 CLD-51-20010
24VAC 0.1 to 10 Sec. Resistor 2 CLF-42-30010 12VDC 10 Sec. Fixed 1 CLC-41-20010
0.1 to 10 Sec. CLB-51-70010 12VDC 1.2 to 120 Sec. Resistor 2 CLH-41-20120
120VAC 0.3 to 30 Sec. Knob 1 CLB-51-70030
24VDC 5 Sec. Fixed 1 CLC-41-30005
1.2 to 120 Sec. CLB-51-70120
0.1 to 10 Sec. CLH-41-30010
120VAC 3 Sec. Fixed 1 CLA-41-70003
24VDC 0.3 to 30 Sec. Resistor 2 CLH-41-30030
30 Sec. CLA-41-70030
0.1 to 10 Sec. CLH-45-30010
0.1 to 10 Sec. CLF-41-70010
41 style models (e.g. CLA-41-70010) have plain case.
120VAC 0.1 to 10 Sec. Resistor 2 CLF-42-70010
42 style models (e.g. CLF-42-70010) have bracket mount case.
1.2 to 120 Sec. CLF-41-70120
45 style models (e.g. CLH-45-30010) have bracket mount case with test button.
51 style models (e.g. CLB-51-30010) have plain case with knob.
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:
1231
specified. Refer to inside back cover.Catalog 1308242
Issued 3-03 P&B
CU Ordering Information Authorized distributors are more likely to stock boldface items listed below.
Voltage Time Adjustment Wiring Dia. Part Number Voltage Time Adjustment Wiring Dia. Part Number
24VAC 10 Sec. Fixed 1 CUA-41-30010 1 to 10 Sec. CUF-41-70010
1 to 10 Sec. CUF-42-70010
1 to 10 Sec. CUF-41-30010
120VAC 1 to 30 Sec. Resistor 2 CUF-41-70030
24VAC 1 to 10 Sec. Resistor 2 CUF-42-30010
1 to 120 Sec. CUF-41-70120
1 to 10 Sec. CUB-51-70010
1 to 120 Sec. CUF-42-70120
120VAC 1 to 30 Sec. Knob 1 CUB-51-70030
1 to 10 Sec. CUH-41-30010
1 to 60 Sec. CUB-51-70060
1 to 10 Sec. CUH-42-30010
1 to 120 Sec. CUB-51-70120
24VDC 1 to 120 Sec. Resistor 2 CUH-41-30120
1 Sec. CUA-41-70001
1 to 120 Sec. CUH-42-30120
3 Sec. CUA-41-70003
41 style models (e.g. CUA-41-70010) have plain case.
3 Sec. CUA-42-70003
42 style models (e.g. CUA-42-70010) have bracket mount case.
120VAC 5 Sec. Fixed 1 CUA-41-70005
51 style models (e.g. CUB-51-70010) have plain case with knob.
10 Sec. CUA-41-70010
10 Sec. CUA-42-70010
30 Sec. CUA-42-70030
120 Sec. CUA-41-70120
Outline Dimensions
41 Style 51 Style
42 & 45 Style
1.531 MAX.
(38.89)
1.406 MAX.
.375
.645 TYP.
(35.71)
(15.88) (9.53)
.07
.312 TYP.
(1.78)
(7.92)
.625 MAX.
(15.88)
1.906 MAX.
(48.41)
1.906 MAX.
2.500
(48.41)
2.156 MAX.
(63.50)
(15.46)
2.90 MAX.
(73.66)
.281 REF.
(7.14)
.437
(11.10)
.281 REF.
1.531 MAX.
(7.14)
(38.89)
.06
.078 R TYP.
12 3
.75 .015
(1.98) (1.52)
45 6
(19.05 .38)
Terminal Dimensions
78 9
1.406 MAX.
.187" (4.74mm)
(35.71)
Quick Connect/Solder
A
B
.078
.125
(1.98)
(3.18)
SEATED HEIGHT ABOVE
.187 .002
CHASSIS MOUNTED (4.75 .05)
IN SOCKET : (57.2mm)
.250
(6.35)
HEADER .281 REF.
(7.14)
THICKNESS 0.20
(.51)
Wiring Diagrams Bottom Views
1 3 1 3
2
46 4 6
5
7 9
7 9
A B
A B
+
- +
INPUT INPUT -
(DC DC POLARITY INDICATED) ** (DC POLARITY INDICATED) **
Fig. 1 Fig. 2
** 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:
1232
specified. Refer to inside back cover.