P+F Z787 Zener Barrier 50mA DC Positive Polarity
Price:
negotiable
MOQ:
1 piece
Delivery Time:
on request
Brand:
P+F
Product Description
50mA DC Version P+F Zener Barrier Z787 50mA
Key Specifications
| Attribute | Value |
|---|---|
| Type | DC version, positive polarity |
| Fuse rating | 50 mA |
| Voltage drop | terminals 4, 5: 1.2 V + (36 Ω x signal current) |
| Series resistance | min. 301 Ω |
| Ambient temperature | -20 ... 60 °C (-4 ... 140 °F) |
| Degree of protection | IP20 |
Product Overview
The Zener Barrier Z787 is a 2-channel, DC version with positive polarity, designed for DIN rail mounting with diode return capability. It features a working voltage of 26.5 V at 10 µA and maximum series resistance of 327 Ω.
Technical Specifications
General Specifications
- Type: DC version, positive polarity
- Nominal resistance: 300 Ω
- Series resistance (terminals 1, 8): max. 327 Ω
- Voltage drop (terminals 4, 5): 1.2 V + (36 Ω x signal current)
- Fuse rating: 50 mA
Connection Details
- Hazardous area connection: terminals 1, 2; 3, 4
- Safe area connection: terminals 5, 6; 7, 8
Voltage Specifications
- Supply loop: max. 27 V
- Measurement loop: max. 26.5 V at 10 µA
- Maximum safe voltage: 250 V
Environmental Specifications
- Ambient temperature: -20 ... 60 °C (-4 ... 140 °F)
- Storage temperature: -25 ... 70 °C (-13 ... 158 °F)
- Relative humidity: max. 75%, without condensation
Mechanical Specifications
- Degree of protection: IP20
- Connection: screw terminals
- Core cross section: max. 2 x 2.5 mm²
- Mass: approx. 150 g
- Dimensions: 12.5 x 115 x 116 mm (0.5 x 4.5 x 4.6 inch) (W x H x D)
- Mounting: on 35 mm DIN mounting rail according to EN 60715:2001
Hazardous Area Certifications
- EU-type examination certificate: BAS 01 ATEX 7005
- Marking: II (1)GD, I (M1) [Ex ia Ga] IIC, [Ex ia Da] IIIC, [Ex ia Ma] I
- Voltage: 28 V
- Current: 93 mA
- Power: 650 mW
- Certificate: TÜV 99 ATEX 1484 X
- IECEx certificate: IECEx BAS 09.0142, IECEx BAS 17.0091X
- FM approval control drawing: 116-0118
- UL approval control drawing: 116-0139 (cULus)
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Company
SC Automation Limited
Location
Unit 1406B 14/F，The Belgian Bank Building, Nos. 721-725 Nathan Road, Mongkok, Kowloon,Hong kong.
Contact Person
Joy chen