CDT6-A/B DIN Rail Time Relays and Contact Options

CDT6-A/B Single-Contact Timer Representative Housing

Series Part Number

Part Number:	CDT6	-	A	1	10	M
Explanation:	Product Family CDT6 - DIN rail time relay		Timing Function A - Power-on delay B - Delayed disconnection	Contact Arrangement 1 - One timed changeover contact 2 - Two timed changeover contacts T - One timed changeover plus one instantaneous changeover contact	Contact Current Rating 10 - 10A contacts; AC-15 operational rating 2.5A at 250VAC 16 - 16A contacts; AC-15 operational rating 5A at 250VAC	Power Supply M - 220VAC, 50–60Hz W - 12–240VAC/DC; 50–60Hz for AC A–Z letter combinations - Custom voltage

Description

CDT6-A/B Single-Function DIN Rail Timers

CDT6-A/B time relays provide knob-set timing for control circuits, including heater operating time, pump operation and fan disconnection sequences. Choose A for power-on delay or B for delayed disconnection, then select the contact arrangement, contact rating and supply. The 18mm-wide housing mounts on a 35mm DIN rail.

The range includes one timed changeover contact, two timed changeover contacts, or one timed contact plus one instantaneous contact. Eight timing ranges cover 0.1s to 10 days; separate ON and OFF positions complete the ten-position range selector. Green and red LEDs indicate power and relay output respectively.

Series Part Number Guide

CDT6 five-field ordering layout for timing function, contact combination, current rating and supply — The complete code adds function, contact arrangement, current rating and supply after CDT6. Example: CDT6-A110M.

Field	Codes and meaning
Product family	CDT6: DIN rail time relay
Timing function	A: power-on delay; B: delayed disconnection
Contact arrangement	1: one timed changeover contact; 2: two timed changeover contacts; T: one timed changeover plus one instantaneous changeover contact
Contact rating	10: 10A; 16: 16A
Supply	M: 220VAC; W: 12–240VAC/DC; A–Z letter combinations: custom voltage. AC versions operate at 50–60Hz.

Model and Contact Comparison

Function	Contact arrangement	10A, 220VAC model	16A, 12–240VAC/DC model
A: power-on delay	One timed changeover	CDT6-A110M	CDT6-A116W
	Two timed changeovers	CDT6-A210M	CDT6-A216W
	One timed plus one instantaneous changeover	CDT6-AT10M	CDT6-AT16W
B: delayed disconnection	One timed changeover	CDT6-B110M	CDT6-B116W
	Two timed changeovers	CDT6-B210M	CDT6-B216W
	One timed plus one instantaneous changeover	CDT6-BT10M	CDT6-BT16W

These are the twelve common full models in the selection document. The six web model labels CDT6-A1, CDT6-A2, CDT6-AT, CDT6-B1, CDT6-B2 and CDT6-BT identify function/contact arrangements; use the complete ordering code to specify supply and current rating.

Contact rating category	10A version	16A version
Output contact rating	10A at 250VAC/24VDC	16A at 250VAC/24VDC
Common-model Ith / Ie values	10A / 2.5A	16A / 5A
AC-15 rated operational current at 250VAC	2.5A	5A
Number of contacts	1 arrangement: one changeover; 2 or T arrangement: two changeovers, with timing behavior determined by the selected arrangement

Timing Functions and Settings

CDT6 A and B timing charts including AT and BT instantaneous contacts, supply Un, control input S and delayed outputs — Timing charts distinguish A and B operation and show the extra instantaneous output on AT/BT. Un is the supply, S the control input and t the selected delay. Use the chart for the chosen function and maintain the required supply during operation.

Ten CDT6 delay selector positions including eight time ranges, only ON and only OFF — Selector ranges: 0.1–1s, 1–10s, 6–60s, 1–10min, 6–60min, 1–10h, 0.1–1 day and 1–10 days, plus only ON and only OFF. The second knob sets the value within the selected timing range.

Timing characteristic	Value
Setting method	Front-panel knobs
Overall timing range	0.1s to 10 days
Setting accuracy	10%
Repeatability	0.2%
Temperature influence	0.05%/°C, referenced to 20°C
Reset time	Maximum 200ms

Power, Environment and Installation Ratings

Characteristic	Specification
Supply terminals	A1–A2
W supply	12–240VAC/DC; 50–60Hz for AC
W power consumption	0.09–3VA on AC; 0.05–1.7W on DC
M supply	220VAC, 50–60Hz
M consumption, A1/B1	Maximum 6VA / 1.3W
M consumption, A2/B2/AT/BT	Maximum 6VA / 1.9W
Allowable supply variation	−15% to +10%
Minimum switching power	500mW
Power / output indication	Green LED / red LED
Mechanical life	10,000,000 operations
Electrical life, resistive load	100,000 operations
Operating temperature	−20°C to +55°C
Storage and transport temperature	−35°C to +75°C
Mounting / orientation	35mm DIN rail; any orientation
Protection / pollution degree	IP20 / 2
Installation altitude	No more than 2000m
Conductors and tightening torque	One 2.5mm² conductor or two 1.5mm² conductors; 0.4N·m
Dimensions	90mm high × 18mm wide × 65mm deep
Weight	A1/B1: 67g; A2/B2/AT/BT: 80g

Connections and Mounting Dimensions

CDT6 terminal and connection diagrams for single, dual and timed plus instantaneous contact versions — A1/A2 are supply terminals and S is the control input. The first changeover uses 15 common, 16 NC and 18 NO; the second uses 25 common, 26 NC and 28 NO. The diagrams show each contact arrangement and its supply/control connection.

CDT6 front and side dimension drawing showing 18mm width, 90mm height and 65mm depth — Overall size is 90mm × 18mm × 65mm. The side profile additionally identifies 31mm and 19mm upper depth sections; the front drawing locates the supply/control and output terminal rows.

The selection document lists CCC with GB/T14048.5 and CE with EN60947-5-1. Certificate document numbers are available from CNTD. Match the load to its applicable duty rating and the ordered contact version.

The manufacturer requires specially designed products and written confirmation for high reliability energy systems, applications involving personal safety or major property risk, harsh or outdoor environments, fire or explosion risks, and military or aerospace use.

Documents

Single Function Time Relays Selection Ratings Timing and Wiring

CDT6-A/B Single-Function DIN Rail Time Relays