100 pairs Protection connection main distribution frame(MDF) terminal block

Security connection block

Key Specifications/Special Features:

Protection connection block is mounted on the vertical side of MDF, which is used for termination between external line cable and jumper wire, it can protect the MDF against over voltage and over current, it is designed in such structure: the line side and the jumper wire side is disconnected before the protector is inserted into the protection connection block, they will be connected after inserting the protector, thus when the line side suffer danger, only pull out the protector, the exchange side will be disconnected with the outside line, Each protection block has termination capacity of 100 pairs and consist of vertical module, 10L alarm plug, back-mounting frame etc. both the outside line and the jumper wire side have the wiring board.

Suitable for large and small-capacity programme controlled telephone exchanges. Designed by full moduliazation. Security block is equipped with dualclip, terminals, when cutover outside lines mat be not disconnected, clipping wires and cutting lines will be finished at the same time, the connecting is quick and reliable.

1. Size (H x W x D): 175mm x 140mm x 152mm (100 Pairs)；
2. Environment condition: -5-40 degree Celsius ；Relative humidity <85% (+30 degree Celsius)；Atmospheric pressure: 70-106KPa ；
3. Pulling-out force: tin bronze and silver plating (20-40 uinch), pulling-out force not less than 25N ；
4. The performance of anti-burn: PBT (UL94V-0)or anti-burn ABS (UL94V-0),Combustibility achieved GB/T 5169.7-1985 standard ；
5. Insulated resistance: under standard atmospheric pressure ,Insulated resistance no less than 1,000M ohm between the two disjunct connections ；
6. Intermediate resistance between the reed terminators: no more than 7m ohm between intermediate reed under the standard examination condition ；
7. Intermediate resistance: no more than 3m ohm under standard examination condition
8. Dielectric strength: according to industry standard
9. Specification: 100 pairs
10. Life: durability 200 cycles

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A: After price confirmation, you can require for samples to check our quality.

3. Q: Terms of payment?
A: We accept payment as the following.
1).100% TT in advance.
2). 30% T/T deposit, 70% balance before delivery.

3). Large quantity, Can Discuss

4. Q: Can you do OEM?
A: Yes we can.

5. Q: What about delivery time?
A: 1) Samples: within one week.
2) Goods: 15-20days usually. Depends on your order qty.

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A: You can give me a inquiry, i will send it to your email.
7. We have been 30 years experience in this field. We are the prefessional supplier that you can trust.

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