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A.S.P. offer a comprehensive range of Intrinsically Safe Zener Barriers from the leading manufacturers in the industry. If you cannot find the product you are looking for on our website please contact our office and we will be pleased to help you.
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MTL 7706+ 'SMART' 2-WIRE 4/20MA TRANSMITTER
ZENER BARRIER
ZENER BARRIER
Zones: 2
Ex II 3 G
Ex nA IIC T4 Gc
II (1) GD [Ex ia Ga] IIC
(-20°C to +60°C)
II (1) GD [Ex ia Da] IIIC
(-20°C to +60°C)
ATEX, IECEx
Ex II 3 G
Ex nA IIC T4 Gc
II (1) GD [Ex ia Ga] IIC
(-20°C to +60°C)
II (1) GD [Ex ia Da] IIIC
(-20°C to +60°C)
ATEX, IECEx
- Number of channels: one
- Safe-area output: Signal range: 4 to 20mA
- Pass Incoming Communications Signals up to: 10kHZ
- Supply Voltage: 20 to 35V dc w.r.t earth
- Output Current: 4 to 20 mA
- Safe-area Load Resistance: 0 to 500 Ohms
- Supply Current: 45mA (typical at 20mA and 24V supply)
- Supply Current: 60mA (maximum at 20mA and 20V supply)
- Safety Description: 28V 300Ohms 93mA
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MTL 7707+ SWITCH INPUTS AND SWITCHED OUTPUTS
ZENNER BARRIER
ZENNER BARRIER
Zones: 2
Ex II 3 G
Ex nA IIC T4 Gc
II [1] GD [EEx ia] IIC
(-20°C to +60°C)
II [1] GD [EEx ia] IIB
(-20°C to +60°C)
ATEX, IECEx
Ex II 3 G
Ex nA IIC T4 Gc
II [1] GD [EEx ia] IIC
(-20°C to +60°C)
II [1] GD [EEx ia] IIB
(-20°C to +60°C)
ATEX, IECEx
- Number of channels: 2
- Supply Voltage: 10 to 35V dc (w.r.t earth)
- Output Current: Up to 35mA
- Supply Current: Load out + 1.6mA, supply <26V
- Supply Current: Limited to 50mA, supply >28 or low load resistance
- Safety Description: 28V 300Ohms 93mA
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MTL 7728+ CONTROLLER OUTPUTS, SOLENOIDS
ZENNER BARRIER
ZENNER BARRIER
Zones: 2
Ex II 3 G
Ex nA IIC T4 Gc
II [1] GD [EEx ia] IIC
(-20°C to +60°C)
II [1] GD [EEx ia] IIB
(-20°C to +60°C)
ATEX, IECEx
Ex II 3 G
Ex nA IIC T4 Gc
II [1] GD [EEx ia] IIC
(-20°C to +60°C)
II [1] GD [EEx ia] IIB
(-20°C to +60°C)
ATEX, IECEx
- Number of channels: One
- Supply Voltage: 22.9 to 30V dc w.r.t earth
- Input Characteristics: Relay energised if input >2.1mA (<2k Ohms)
- Input Characteristics: Relay de-energised if input <1.2mA (>10k Ohms)
- Relay Contacts: 50V ac 0.5A. Resistive
- Relay Contacts: 30V dc 1A. Resistive
- Supply Current: 26mA maximum @ 24V
- Response Time: <10ms
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MTL 774X PROXIMITY SWITCH, SOLID STATE OUTPUT AND LINE FAULT DETECT
ZENNER BARRIER
ZENNER BARRIER
Zones: 2
Ex II 3 G
Ex nA nC IIC T4 Gc
II [1] GD [EEx ia] IIC
(-20°C to +60°C)
II [1] GD [EEx ia] IIB
(-20°C to +60°C)
ATEX, IECEx
Ex II 3 G
Ex nA nC IIC T4 Gc
II [1] GD [EEx ia] IIC
(-20°C to +60°C)
II [1] GD [EEx ia] IIB
(-20°C to +60°C)
ATEX, IECEx
- Number Of Channels: One
- Supply Voltage: 20 to 35V dc w.r.t earth
- Supply Current: 20mA Maximum @ 24V
- Input Characteristics: Output energised if input >2.1mA (<2k Ohms)
- Input Characteristics: Output de-energised if input <1.2mA (>10 Ohms)
- Operating frequency: dc to 2.5kHz
- Max Off-state Voltage: 35V
- Max Off-state leakage: 10?A
- Max On-state Current: 50mA
- Max On-state Voltage Drop:
- <1.41V @ 50mA
- <1.22V @ 2mA
- Typical: <1V
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MTL 7755AC 2- OR 3- WIRE RTDS (FLOATING BRIDGE)
ZENNER BARRIER
ZENNER BARRIER
Zones: 2
Ex II 3 G
Ex nA IIC T4 Gc
II [1] GD [EEx ia] IIC
(-20°C to +60°C)
II [1] GD [EEx ia] IIB
(-20°C to +60°C)
ATEX, IECEx
Ex II 3 G
Ex nA IIC T4 Gc
II [1] GD [EEx ia] IIC
(-20°C to +60°C)
II [1] GD [EEx ia] IIB
(-20°C to +60°C)
ATEX, IECEx
- Number of channels: Two
- Safety Description: 10V 19mA
- Supply Voltage 22.9 to 30V dc w.r.t earth
- Input Characteristics:
- Relay energised If Input >2.1mA (<2k Ohms)
- Relay de-energised if input <1.2mA (>10k Ohms)
- Relay Contacts:
- 50V ac 0.5A. Resistive
- 30V dc 1A. Resistive
- Supply Current: 45mA mAXIMIM @ 24v
- Response Time: <10ms
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MTL 7756AC 3- WIRE RTDS (GROUNDED BRIDGE)
ZENNER BARRIER
ZENNER BARRIER
Zones: 2
Ex II 3 G
Ex nA IIC T4 Gc
II [1] GD [EEx ia] IIC
(-20°C to +60°C)
II [1] GD [EEx ia] IIB
(-20°C to +60°C)
ATEX, IECEx
Ex II 3 G
Ex nA IIC T4 Gc
II [1] GD [EEx ia] IIC
(-20°C to +60°C)
II [1] GD [EEx ia] IIB
(-20°C to +60°C)
ATEX, IECEx
- Number Of Channels: Two
- Safety Description: 10V 19mA
- Supply Voltage: 20 to 35V dc w.r.t earth
- Supply Current: 29mA Maximum @ 24V
- Input Characteristics:
- Output energised if input >2.1mA (<2k Ohms)
- Output de-energised if input <1.2mA (>10k Ohms)
- Output Characteristics:
- Operating frequency: dc to 2.5kHz
- Max Off-state Voltage: 35V
- Max Off-state Leakage: 10?A
- Max On-state Voltage Drop:
- 1.41V @ 50mA
- 1.
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MTL 7760AC ACTIVE DC & AC SENSORS THERMOCOUPLES
ZENNER BARRIER
ZENNER BARRIER
Zones: a
Ex II 3 G
Ex nA IIC T4 Gc
II [1] GD [EEx ia] IIC
(-20°C to +60°C)
II [1] GD [EEx ia] IIB
(-20°C to +60°C)
ATEX, IECEx
Ex II 3 G
Ex nA IIC T4 Gc
II [1] GD [EEx ia] IIC
(-20°C to +60°C)
II [1] GD [EEx ia] IIB
(-20°C to +60°C)
ATEX, IECEx
- Number of Channels: One
- Supply Voltage: 22.9 to 30V dc w.r.t earth
- LFD relay + Red LED: Energised Input <50?A or <100 Ohms
- Supply Current: 38mA maximum @ 24V
- Response Time: <10ms
- Relay Contacts:
- 50V ac 0.5A. Resisitive
- 30V dc 1A. Resistive
- Input Characteristic:
- Output energised if input >2.1mA (<2k Ohms)
- Output de-energised if input <1.2mA (>10k Ohms)
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MTL 7787+/- TRANSMITTERS CONTROLLER OUTPUT, SWITCHES
ZENNER BARRIER
ZENNER BARRIER
Zones: 2
Ex II 3 G
Ex nA IIC T4 Gc
II [1] GD [EEx ia] IIC
(-20°C to +60°C)
II [1] GD [EEx ia] IIB
(-20°C to +60°C)
ATEX, IECEx
Ex II 3 G
Ex nA IIC T4 Gc
II [1] GD [EEx ia] IIC
(-20°C to +60°C)
II [1] GD [EEx ia] IIB
(-20°C to +60°C)
ATEX, IECEx
- Number of Channels: one
- 2 Wire Transmitter
- Signal Output: 4/20mA
- Power Supply: 26V
- Vwkg: 12.9V
- Load Resistance: 250Ohms