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产品特性：

·Switching current:40A~120A ·Single phase latching relay .RoHS / CE .IEC62055-31 UC2 / UC3 (TUV)

适用范围：

For Prepayment energy Meter and AMR system Combination switch, reactive power compensation devices and automatic control.With hand-hold function

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single Pole/ two Pole/ three Phase Latching Relay

Ramway is specialized in the research, development, and manufacturing of high powered, high quality, highly reliable latching relays. We offer latching relays from 40A to 200A for both single, dual and three phase switching purposes. Our relays are designed to meet the industry’s highest performance standard and it offers the best value in the Metering Market.

We develop the product using innovative ways to save money and power for both consumers and producers of electricity. We are adhered to provide the best product with the lowest failure rate in the industry.

Features

High switching power with simultaneously reduced power compensation.

Maximum Switching Safety accompanied by long service life.

Absolute reliability combined with a minimum of mechanical components.

Relays the perfect synthesis of functionality and harmonic efficiency.

Available Range from : 40Amps to 200Amps

We are able to customize our relays to create flexibility for our customers It can be built with copper extensions, flex wires and Brass terminals.

Low Failure Rates

Very Low Temperature rise

Single phase latching relay photos:


DS802C 50A latching relay circuit with reset	DS902H 60A latching relay for smart meter	DS903C 90A smart capacitor or smart meter	DS903C 100A latching relay Newly developed products

DS904C 120A hot sales latching relay explained	DS902F 60A 80A latching relay connection	DS904B 100A hot sales latching relay manual reset	DS906A 120A latching relay control circuit	DS501A 120A spdt (form c) latching relays

Model	DS802C 50A	DS902H 60A	DS902F 60A/80A	DS903C 90A	DS903C 100A	DS904B 100A	DS904C 120A	DS906A 120A	DS501A 120A
Dimension (mm)	3929.515	383016.5	383016.5	383016.5	383016.5	4334.521	473522.5	5242.522	5553.521.5
Contact Form	1A & 1B	1A & 1B	1A & 1B	1A & 1B	1A & 1B	1A & 1B	1A & 1B	1A & 1B	spdt (form c) latching relays
Contact Material	Silver Alloy	Silver Alloy	Silver Alloy	Silver Alloy	Silver Alloy	Silver Alloy	Silver Alloy	Silver Alloy	Silver Alloy
Max Switching Power	1250VA	15000VA	15000VA 20000VA	22500VA	25000VA	25000VA	30000VA	30000VA	30000VA
Coil Voltage	6/9/12/24VDC	6/9/12/24VDC	6/9/12/24VDC	6/9/12/24VDC	6/9/12/24VDC	6/9/12/24VDC	6/9/12/24VDC	6/9/12/24VDC	6/9/12/24VDC
Pulse Width	50ms Min	50ms Min	50ms Min	50ms Min	50ms Min	50ms Min	50ms Min	50ms Min	50ms Min
Electric Life	10000 Cycles	10000 Cycles	10000 Cycles	10000 Cycles	10000 Cycles	10000 Cycles	10000 Cycles	10000 Cycles	10000 Cycles
Mechanical Life	100000Cycles	100000Cycles	100000Cycles	100000Cycles	100000Cycles	100000Cycles	100000Cycles	100000Cycles	100000Cycles
Contact Resistance	1.5mΩ	1.5mΩ	1.5mΩ	0.8mΩ	0.8mΩ	0.8mΩ	0.6mΩ	0.6mΩ	0.6mΩ
Weight	28g	39g	43g	41g	41g	80g	80g	76g	120g
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Two phase latching relay photos:


DS908A 70A Dual phase latching relay	DS908M 70A Dual phase latching relay	DS908K 70A Dual phase latching relay	DS908E 100A Dual phase latching relay

DS908D 100A Dual phase latching relay	DS908E 100A Dual phase latching relay	DS908G 100A Dual phase latching relay	DS908F 200A latching relay America

DS908H 90A Dual phse latching relay	DS908L 90A Din rail meter lathcing relay	DS908C 90A Dual phase latching relay

Technical Specifications
Model	DS908A 70A	DS908C 90A	DS908G 100A	DS908D 100A	DS908K 70A	DS908H 90A	DS908B 100A
Dimension (mm)	543319	543319	674022.5	705222	6.0535.520	6436.519.5	704622
Contact Form	2A & 2B	2A & 2B	2A & 2B	2A & 2B	2A & 2B	2A & 2B	2A & 2B
Contact Material	Silver Alloy	Silver Alloy	Silver Alloy	Silver Alloy	Silver Alloy	Silver Alloy	Silver Alloy
Max Switching Power	17500VA	20,000VA	20,000VA	30,000VA	20,000VA	30,000VA	30,000VA
Coil Voltage	6/9/12/24VDC	6/9/12/24VDC	6/9/12/24VDC	6/9/12/24VDC	6/9/12/24VDC	6/9/12/24VDC	6/9/12/24VDC
Pulse Width	50ms Min	50ms Min	50ms Min	50ms Min	50ms Min	50ms Min	50ms Min
Electric Life	10000 Cycles	10000 Cycles	10000 Cycles	10000 Cycles	10000 Cycles	10000 Cycles	10000 Cycles
Mechanical Life	100000Cycles	100000Cycles	100000Cycles	100000Cycles	300000Cycles	100000Cycles	100000Cycles
Contact Resistance	1.5mΩ	0.8mΩ	0.8mΩ	0.8mΩ	0.8mΩ	0.8mΩ	0.6mΩ
Weight	54g	71g	120g	130g	85g	105g	152g
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Technical Specifications
Model	DS908H 90A	DS908B 100A	DS908E 100A	DS908H 100A	DS908B 100A
Dimension (mm)	6436.519.5	704622	74.551.526.5	74.551.526.2	827230
Contact Form	2A & 2B	2A & 2B	2A & 2B	2A & 2B	2A & 2B
Contact Material	Silver Alloy	Silver Alloy	Silver Alloy	Silver Alloy	Silver Alloy
Max Switching Power	30,000VA	30,000VA	25,000VA	20,000VA	50,000VA
Coil Voltage	6/9/12/24VDC	6/9/12/24VDC	6/9/12/24VDC	6/9/12/24VDC	6/9/12/24VDC
Pulse Width	50ms Min	50ms Min	50ms Min	50ms Min	50ms Min
Electric Life	10000 Cycles	10000 Cycles	10000 Cycles	10000 Cycles	10000 Cycles
Mechanical Life	100000Cycles	100000Cycles	300000Cycles	100000Cycles	100000Cycles
Contact Resistance	0.8mΩ	0.6mΩ	0.6mΩ	0.8mΩ	0.6mΩ
Weight	105g	152g	153g	78g	465g
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Three phase latching relay photos:


DS907B 120A Thase phse latching relay	DS907B 120A Thase phse latching relay	DS907C 80A Thase phase latching relay	DS907E 80A Thase phase latching relay

DS907G 80A Three phase latching relay	DS907H 120A Three phase latching relay	DS907D 80A Three phase latching

Technical Specifications
Model	DS907B 120A	DS907C 80A	DS907D 80A	DS907E 120A	DS907G 80A	DS907F 120A	DS907H 120A
Dimension (mm)	1205530	1004021	954037	984037.8	1105224	1165226	1355830
Contact Form	3A & 3B	3A & 3B	3A & 3B	3A & 3B	3A & 3B	3A & 3B	3A & 3B
Contact Material	Silver Alloy	Silver Alloy	Silver Alloy	Silver Alloy	Silver Alloy	Silver Alloy	Silver Alloy
Max Switching Power	30,000VA	20,000VA	20,000VA	30,000VA	20,000VA	30,000VA	30,000VA
Coil Voltage	6/9/12/24VDC	6/9/12/24VDC	6/9/12/24VDC	6/9/12/24VDC	6/9/12/24VDC	6/9/12/24VDC	6/9/12/24VDC
Pulse Width	50ms Min	50ms Min	50ms Min	50ms Min	50ms Min	50ms Min	50ms Min
Electric Life	10000 Cycles	10000 Cycles	10000 Cycles	10000 Cycles	10000 Cycles	10000 Cycles	10000 Cycles
Mechanical Life	100000Cycles	100000Cycles	100000Cycles	100000Cycles	300000Cycles	100000Cycles	100000Cycles
Contact Resistance	0.6mΩ	0.8mΩ	0.8mΩ	0.6mΩ	0.8mΩ	0.6mΩ	0.6mΩ
Weight	54g	71g	120g	130g	85g	105g	152g
Download

type relay.jpg type relay1.jpg Type relay2.jpg

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